/*
 * PT Components — Design System CSS
 * Modern, simple, professional.
 * Overwrites Bootstrap classes visually via load order.
 * Uses existing --pt-* CSS variables, supports dark mode via [data-theme="dark"].
 *
 * Premium enhancements: shadow system, micro-interactions, refined colors,
 * typography polish, consistent spacing scale, table sticky headers,
 * button gradients, input focus tints, card hover elevation.
 */

/* ============ DESIGN TOKENS ============ */
:root {
    /* Radius scale */
    --pt-radius-sm: 4px;
    --pt-radius-md: 6px;
    --pt-radius-lg: 8px;
    --pt-radius-full: 9999px;

    /* Shadow scale */
    --pt-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --pt-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --pt-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --pt-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);

    /* Surface color hierarchy — borderless design relies on bg contrast */
    --pt-surface: #ffffff;
    --pt-surface-hover: rgba(102, 126, 234, 0.03);
    --pt-input-bg: #f4f5f7;
    --pt-input-bg-focus: #ffffff;

    /* Typography */
    --pt-font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --pt-letter-tight: -0.01em;

    /* ============ SPACING SCALE (4pt / 8pt grid) ============ */
    /* 8pt scale — structural spacing (multiples of 8) */
    --pt-space-8: 8px;
    --pt-space-16: 16px;
    --pt-space-24: 24px;
    --pt-space-32: 32px;
    --pt-space-40: 40px;
    --pt-space-48: 48px;
    /* 4pt scale — fine-tuning (multiples of 4) */
    --pt-space-4: 4px;
    --pt-space-12: 12px;
    --pt-space-20: 20px;

    /* ============ TYPOGRAPHY LINE-HEIGHTS ============ */
    --pt-line-height-body: 1.5;      /* body 1.4–1.6 */
    --pt-line-height-heading: 1.25;  /* headline 1.2–1.3 */
    --pt-line-height-caption: 1.4;
}

[data-theme="dark"] {
    --pt-surface: #1a1d29;
    --pt-surface-hover: rgba(102, 126, 234, 0.08);
    --pt-input-bg: #14161e;
    --pt-input-bg-focus: #1a1d29;
}

/* ============ GLOBAL ============ */
* {
    font-family: var(--pt-font-family);
}

body {
    font-family: var(--pt-font-family);
    line-height: var(--pt-line-height-body);
}

/* Paragraph spacing — vertical space between paragraphs ≈ font size */
p {
    margin-top: 0;
    margin-bottom: 1rem; /* 16px ≈ body font size */
}

/* Form field groups — larger gap (24px+) before next field group, tight 4–8px to label */
.form-group {
    margin-bottom: 1.5rem; /* 24px (8pt grid) — separates field groups */
}

/* Major content sections — 32–48px separation between distinct blocks.
   Applied via the opt-in .section-block class so we don't disturb the many
   existing .mb-4 usages (buttons, inline rows) app-wide. */
.section-block {
    margin-bottom: 2rem; /* 32px (8pt grid) — major content blocks */
}

.pt-showcase,
.pt-card,
.pt-modal,
.pt-input,
.pt-select,
.pt-textarea,
.pt-btn,
.pt-badge,
.pt-alert {
    font-family: var(--pt-font-family);
}

h1, h2, h3, h4, h5, h6,
.pt-showcase-title,
.pt-showcase-section-title,
.pt-card-header,
.pt-modal-title {
    letter-spacing: var(--pt-letter-tight);
    line-height: var(--pt-line-height-heading);
}

/* ============ BUTTON BASE ============ */
.btn,
.pt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    border-radius: var(--pt-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease,
                color 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease,
                transform 0.08s ease;
    white-space: nowrap;
    text-decoration: none;
    user-select: none;
    outline: none;
}

.pt-btn:active,
.btn:active {
    transform: scale(0.97);
}

.pt-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--pt-bg-primary), 0 0 0 4px var(--pt-primary);
}

.pt-btn:disabled,
.pt-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============ VARIANTS — SOLID (with gradient depth) ============ */
.pt-btn-primary,
.btn-primary {
    background-image: linear-gradient(180deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
    border-color: var(--pt-primary-dark);
    color: #ffffff;
    box-shadow: var(--pt-shadow-xs);
}

.pt-btn-primary:hover,
.btn-primary:hover,
.pt-btn-primary:focus,
.btn-primary:focus {
    background-image: linear-gradient(180deg, var(--pt-primary-dark) 0%, var(--pt-primary-dark) 100%);
    border-color: var(--pt-primary-dark);
    color: #ffffff;
    box-shadow: var(--pt-shadow-sm);
}

.pt-btn-secondary,
.btn-secondary {
    background-image: linear-gradient(180deg, #6b7280 0%, #4b5563 100%);
    border-color: #4b5563;
    color: #ffffff;
    box-shadow: var(--pt-shadow-xs);
}

.pt-btn-secondary:hover,
.btn-secondary:hover,
.pt-btn-secondary:focus,
.btn-secondary:focus {
    background-image: linear-gradient(180deg, #4b5563 0%, #3f4651 100%);
    border-color: #3f4651;
}

.pt-btn-success,
.btn-success {
    background-image: linear-gradient(180deg, #059669 0%, #047857 100%);
    border-color: #047857;
    color: #ffffff;
    box-shadow: var(--pt-shadow-xs);
}

.pt-btn-success:hover,
.btn-success:hover {
    background-image: linear-gradient(180deg, #047857 0%, #03684a 100%);
    border-color: #03684a;
}

.pt-btn-danger,
.btn-danger {
    background-image: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
    border-color: #dc2626;
    color: #ffffff;
    box-shadow: var(--pt-shadow-xs);
}

.pt-btn-danger:hover,
.btn-danger:hover {
    background-image: linear-gradient(180deg, #dc2626 0%, #b91c1c 100%);
    border-color: #b91c1c;
}

.pt-btn-warning,
.btn-warning {
    background-image: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
    border-color: #d97706;
    color: #ffffff;
    box-shadow: var(--pt-shadow-xs);
}

.pt-btn-warning:hover,
.btn-warning:hover {
    background-image: linear-gradient(180deg, #d97706 0%, #b45309 100%);
    border-color: #b45309;
}

.pt-btn-info,
.btn-info {
    background-image: linear-gradient(180deg, #0ea5e9 0%, #0284c7 100%);
    border-color: #0284c7;
    color: #ffffff;
    box-shadow: var(--pt-shadow-xs);
}

.pt-btn-info:hover,
.btn-info:hover {
    background-image: linear-gradient(180deg, #0284c7 0%, #0369a1 100%);
    border-color: #0369a1;
}

/* ============ VARIANTS — OUTLINE ============ */
.pt-btn-outline-primary,
.btn-outline-primary {
    background-color: transparent;
    border-color: var(--pt-primary);
    color: var(--pt-primary);
}

.pt-btn-outline-primary:hover,
.btn-outline-primary:hover {
    background-color: var(--pt-primary);
    color: #ffffff;
}

.pt-btn-outline-secondary,
.btn-outline-secondary {
    background-color: transparent;
    border-color: #6b7280;
    color: #6b7280;
}

.pt-btn-outline-secondary:hover,
.btn-outline-secondary:hover {
    background-color: #6b7280;
    color: #ffffff;
}

.pt-btn-outline-danger,
.btn-outline-danger {
    background-color: transparent;
    border-color: #ef4444;
    color: #ef4444;
}

.pt-btn-outline-danger:hover,
.btn-outline-danger:hover {
    background-color: #ef4444;
    color: #ffffff;
}

.pt-btn-outline-success,
.btn-outline-success {
    background-color: transparent;
    border-color: #059669;
    color: #059669;
}

.pt-btn-outline-success:hover,
.btn-outline-success:hover {
    background-color: #059669;
    color: #ffffff;
}

.pt-btn-outline-warning,
.btn-outline-warning {
    background-color: transparent;
    border-color: #d97706;
    color: #d97706;
}

.pt-btn-outline-warning:hover,
.btn-outline-warning:hover {
    background-color: #d97706;
    color: #ffffff;
}

.pt-btn-outline-info,
.btn-outline-info {
    background-color: transparent;
    border-color: #0ea5e9;
    color: #0ea5e9;
}

.pt-btn-outline-info:hover,
.btn-outline-info:hover {
    background-color: #0ea5e9;
    color: #ffffff;
}

/* ============ SIZES ============ */
.pt-btn-sm,
.btn-sm {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1rem;
}

.pt-btn-lg,
.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
}

.pt-btn-block,
.btn-block {
    width: 100%;
}

/* ============ GHOST / LINK VARIANTS ============ */
.pt-btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--pt-text-secondary);
    padding: 0.375rem 0.5rem;
}

.pt-btn-ghost:hover {
    background-color: rgba(0, 0, 0, 0.06);
    color: var(--pt-text-primary);
}

.pt-btn-link,
.btn-link {
    background-color: transparent;
    border-color: transparent;
    color: var(--pt-primary);
    padding: 0;
    text-decoration: none;
}

.pt-btn-link:hover,
.btn-link:hover {
    text-decoration: underline;
    color: var(--pt-primary-dark);
}

/* ============ ICON BUTTON ============ */
.pt-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border-radius: var(--pt-radius-md);
    background-color: transparent;
    border: 1px solid transparent;
    color: var(--pt-text-secondary);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.pt-btn-icon:hover {
    background-color: rgba(0, 0, 0, 0.06);
    color: var(--pt-text-primary);
}

.pt-btn-icon i {
    font-size: 1rem;
    line-height: 1;
}

/* ============ LOADING SPINNER ============ */
.pt-btn-spinner,
.spinner-border,
.spinner-border-sm,
.spinner-grow,
.spinner-grow-sm {
    display: inline-block;
    width: 0.875rem;
    height: 0.875rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: pt-spin 0.65s linear infinite;
}

.spinner-border-sm {
    width: 0.75rem;
    height: 0.75rem;
    border-width: 1.5px;
}

.spinner-grow,
.spinner-grow-sm {
    border: none;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0;
    animation: pt-grow 0.65s ease-in-out infinite;
}

.spinner-grow-sm {
    width: 0.5rem;
    height: 0.5rem;
}

@keyframes pt-spin {
    to { transform: rotate(360deg); }
}

@keyframes pt-grow {
    0% { transform: scale(0); opacity: 0.5; }
    50% { opacity: 1; }
    100% { transform: scale(1); opacity: 0; }
}

/* ============ BUTTON GROUP ============ */
.btn-group,
.pt-btn-group {
    display: inline-flex;
    align-items: center;
    gap: 0;
}

.btn-group .btn,
.btn-group .pt-btn,
.pt-btn-group .btn,
.pt-btn-group .pt-btn {
    border-radius: 0;
    border-right-width: 0;
}

.btn-group .btn:first-child,
.btn-group .pt-btn:first-child,
.pt-btn-group .btn:first-child,
.pt-btn-group .pt-btn:first-child {
    border-top-left-radius: var(--pt-radius-md);
    border-bottom-left-radius: var(--pt-radius-md);
}

.btn-group .btn:last-child,
.btn-group .pt-btn:last-child,
.pt-btn-group .btn:last-child,
.pt-btn-group .pt-btn:last-child {
    border-top-right-radius: var(--pt-radius-md);
    border-bottom-right-radius: var(--pt-radius-md);
    border-right-width: 1px;
}


/*
 * PT Components — Input (PtInput)
 */

/* ============ TEXT INPUT BASE ============ */
.form-control,
.pt-input {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem; /* 8px / 16px (8pt grid) */
    font-size: 0.875rem;
    line-height: var(--pt-line-height-body);
    color: var(--pt-text-primary);
    background-color: var(--pt-input-bg);
    border: none;
    border-radius: var(--pt-radius-md);
    transition: box-shadow 0.15s ease, background-color 0.15s ease;
    outline: none;
    appearance: none;
}

.form-control::placeholder,
.pt-input::placeholder {
    color: var(--pt-text-muted);
    opacity: 1;
}

.form-control:focus,
.pt-input:focus,
.form-control:focus-visible,
.pt-input:focus-visible {
    box-shadow: 0 0 0 2px var(--pt-primary);
    background-color: var(--pt-input-bg-focus);
    outline: none;
}

/* ============ SIZES ============ */
.pt-input-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.pt-input-lg {
    padding: 0.625rem 1rem;
    font-size: 1rem;
}

/* ============ STATES ============ */
.form-control:disabled,
.pt-input:disabled,
.form-control[readonly],
.pt-input[readonly] {
    opacity: 0.6;
    background-color: var(--pt-bg-tertiary);
    cursor: not-allowed;
}

.form-control:disabled:focus,
.pt-input:disabled:focus {
    box-shadow: none;
}

/* ============ VALIDATION ============ */
.form-control.valid,
.pt-input.valid {
    box-shadow: 0 0 0 2px #059669;
}

.form-control.valid:focus,
.pt-input.valid:focus {
    box-shadow: 0 0 0 2px #059669;
}

.form-control.invalid,
.pt-input.invalid {
    box-shadow: 0 0 0 2px #ef4444;
}

.form-control.invalid:focus,
.pt-input.invalid:focus {
    box-shadow: 0 0 0 2px #ef4444;
}

/* ============ LABEL ============ */
.form-label,
.pt-input-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--pt-text-primary);
    margin-bottom: 0.5rem; /* 8px — label close to field (4–8px) */
}

.pt-input-label .pt-input-optional {
    font-weight: 400;
    color: var(--pt-text-muted);
    font-size: 0.75rem;
}

.pt-input-label .pt-input-required {
    color: #ef4444;
    margin-left: 0.125rem;
}

/* ============ HELP TEXT ============ */
.form-text,
.pt-input-help {
    display: block;
    font-size: 0.7rem;
    color: var(--pt-text-muted);
    margin-top: 0.375rem;
}

/* ============ ERROR MESSAGE ============ */
.validation-message {
    display: block;
    font-size: 0.7rem;
    color: #ef4444;
    margin-top: 0.375rem;
}

/* ============ INPUT GROUP ============ */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control,
.input-group .pt-input {
    flex: 1 1 auto;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group .btn,
.input-group .pt-btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* ============ INPUT WITH ICON ============ */
.pt-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.pt-input-wrapper .pt-input,
.pt-input-wrapper .form-control {
    padding-left: 2.25rem;
}

.pt-input-wrapper .pt-input-icon {
    position: absolute;
    left: 0.625rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--pt-text-muted);
    font-size: 0.875rem;
    pointer-events: none;
}

/* ============ DARK MODE ============ */
[data-theme="dark"] .form-control,
[data-theme="dark"] .pt-input {
    background-color: var(--pt-input-bg);
    color: var(--pt-text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .pt-input:focus {
    box-shadow: 0 0 0 2px var(--pt-primary);
    background-color: var(--pt-input-bg-focus);
}

[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] .pt-input::placeholder {
    color: var(--pt-text-muted);
}

[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .pt-input:disabled {
    background-color: var(--pt-bg-tertiary);
    opacity: 0.5;
}


/*
 * PT Components — Select (PtSelect)
 */
.form-select,
.pt-select {
    display: block;
    width: 100%;
    padding: 0.5rem 2rem 0.5rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: var(--pt-text-primary);
    background-color: var(--pt-input-bg);
    border: none;
    border-radius: var(--pt-radius-md);
    transition: box-shadow 0.15s ease, background-color 0.15s ease;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23888' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 16px 12px;
}

.form-select:focus,
.pt-select:focus {
    box-shadow: 0 0 0 2px var(--pt-primary);
    background-color: var(--pt-input-bg-focus);
    outline: none;
}

.form-select:disabled,
.pt-select:disabled {
    opacity: 0.6;
    background-color: var(--pt-bg-tertiary);
    cursor: not-allowed;
}

.form-select.valid,
.pt-select.valid { box-shadow: 0 0 0 2px #059669; }
.form-select.invalid,
.pt-select.invalid { box-shadow: 0 0 0 2px #ef4444; }

[data-theme="dark"] .form-select,
[data-theme="dark"] .pt-select {
    background-color: var(--pt-input-bg);
    color: var(--pt-text-primary);
}


/*
 * PT Components — Checkbox / Switch (PtCheckbox)
 */
.pt-switch-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
}

.pt-switch-wrapper:has(.pt-switch:disabled) {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Hide the native checkbox — we draw the switch with track + thumb */
.pt-switch {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.pt-switch-track {
    position: relative;
    display: inline-block;
    width: 2.5rem;
    height: 1.375rem;
    border-radius: var(--pt-radius-full);
    background-color: var(--pt-border);
    border: 1px solid transparent;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.pt-switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(1.375rem - 6px);
    height: calc(1.375rem - 6px);
    border-radius: 50%;
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

/* Checked state */
.pt-switch:checked ~ .pt-switch-track {
    background-color: var(--pt-primary);
}

.pt-switch:checked ~ .pt-switch-track .pt-switch-thumb {
    transform: translateX(calc(2.5rem - 1.375rem));
}

/* Focus state */
.pt-switch:focus-visible ~ .pt-switch-track {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Active state */
.pt-switch:active ~ .pt-switch-track .pt-switch-thumb {
    transform: scale(0.85);
}

.pt-switch:checked:active ~ .pt-switch-track .pt-switch-thumb {
    transform: translateX(calc(2.5rem - 1.375rem)) scale(0.85);
}

/* Disabled state */
.pt-switch:disabled ~ .pt-switch-track {
    opacity: 0.5;
}

.pt-switch-label {
    font-size: 0.875rem;
    color: var(--pt-text-primary);
}

/* Dark mode */
[data-theme="dark"] .pt-switch-track {
    background-color: #3f4651;
}

[data-theme="dark"] .pt-switch-thumb {
    background-color: #e5e7eb;
}

[data-theme="dark"] .pt-switch:checked ~ .pt-switch-track {
    background-color: var(--pt-primary);
}

/* Backwards compat — keep .form-check/.form-check-input styled as switch too */
.form-check {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
}

.form-check-input {
    appearance: none;
    width: 2.5rem;
    height: 1.375rem;
    border-radius: var(--pt-radius-full);
    background-color: var(--pt-border);
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.form-check-input::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(1.375rem - 6px);
    height: calc(1.375rem - 6px);
    border-radius: 50%;
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.form-check-input:checked {
    background-color: var(--pt-primary);
}

.form-check-input:checked::after {
    transform: translateX(calc(2.5rem - 1.375rem));
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
    outline: none;
}

.form-check-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--pt-text-primary);
    cursor: pointer;
    user-select: none;
}


/*
 * PT Components — Textarea (PtTextarea)
 */
textarea.form-control,
.pt-textarea {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem; /* 8px / 16px (8pt grid) */
    font-size: 0.875rem;
    line-height: var(--pt-line-height-body);
    color: var(--pt-text-primary);
    background-color: var(--pt-input-bg);
    border: none;
    border-radius: var(--pt-radius-md);
    transition: box-shadow 0.15s ease, background-color 0.15s ease;
    outline: none;
    resize: vertical;
    font-family: inherit;
}

textarea.form-control:focus,
.pt-textarea:focus {
    box-shadow: 0 0 0 2px var(--pt-primary);
    background-color: var(--pt-input-bg-focus);
    outline: none;
}

textarea.form-control:disabled,
.pt-textarea:disabled {
    opacity: 0.6;
    background-color: var(--pt-bg-tertiary);
    cursor: not-allowed;
}


/*
 * PT Components — Card (PtCard) — with shadow elevation + hover
 */
.card,
.pt-card {
    border: none;
    border-radius: var(--pt-radius-lg);
    background-color: var(--pt-surface);
    overflow: hidden;
    box-shadow: var(--pt-shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.pt-card-hover:hover {
    box-shadow: var(--pt-shadow-md);
    transform: translateY(-1px);
}

.card-header,
.pt-card-header {
    padding: 0.75rem 1.5rem;
    border-bottom: none;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--pt-text-primary);
    background-color: var(--pt-bg-tertiary);
}

.card-body,
.pt-card-body {
    padding: 1.5rem;
}

.card-footer,
.pt-card-footer {
    padding: 0.75rem 1.5rem;
    border-top: none;
    background-color: var(--pt-bg-tertiary);
}

/* Card accent bar */
.pt-card-accent-primary { border-top: 3px solid var(--pt-primary); }
.pt-card-accent-success { border-top: 3px solid #059669; }
.pt-card-accent-danger { border-top: 3px solid #ef4444; }
.pt-card-accent-warning { border-top: 3px solid #d97706; }

[data-theme="dark"] .card,
[data-theme="dark"] .pt-card {
    background-color: var(--pt-surface);
}


/*
 * PT Components — Badge (PtBadge)
 */
.badge,
.pt-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--pt-radius-full);
    line-height: 1.25rem;
    white-space: nowrap;
}

.bg-primary, .pt-badge-primary { background-color: var(--pt-primary); color: #fff; }
.bg-success, .pt-badge-success { background-color: #059669; color: #fff; }
.bg-danger, .pt-badge-danger { background-color: #ef4444; color: #fff; }
.bg-warning, .pt-badge-warning { background-color: #d97706; color: #fff; }
.bg-info, .pt-badge-info { background-color: #0ea5e9; color: #fff; }
.bg-secondary, .pt-badge-secondary { background-color: #6b7280; color: #fff; }

.pt-badge-outline-primary { border: 1px solid var(--pt-primary); color: var(--pt-primary); background: transparent; }
.pt-badge-outline-success { border: 1px solid #059669; color: #059669; background: transparent; }
.pt-badge-outline-danger { border: 1px solid #ef4444; color: #ef4444; background: transparent; }
.pt-badge-outline-warning { border: 1px solid #d97706; color: #d97706; background: transparent; }
.pt-badge-outline-secondary { border: 1px solid #6b7280; color: #6b7280; background: transparent; }

/* Badge pulse animation for status indicators */
@keyframes pt-badge-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.pt-badge-pulse {
    animation: pt-badge-pulse 2s ease-in-out infinite;
}


/*
 * PT Components — Alert (PtAlert)
 */
.alert,
.pt-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--pt-radius-md);
    border: none;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.alert-success,
.pt-alert-success {
    background-color: #f0fdf4;
    color: #065f46;
}

.alert-danger,
.pt-alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
}

.alert-warning,
.pt-alert-warning {
    background-color: #fffbeb;
    color: #92400e;
}

.alert-info,
.pt-alert-info {
    background-color: #f0f9ff;
    color: #075985;
}

.pt-alert-icon {
    flex-shrink: 0;
    font-size: 1.1rem;
    line-height: 1.25rem;
}

.pt-alert-close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: inherit;
    opacity: 0.5;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    transition: opacity 0.15s ease;
}

.pt-alert-close:hover { opacity: 1; }

[data-theme="dark"] .alert-success,
[data-theme="dark"] .pt-alert-success {
    background-color: rgba(5, 150, 105, 0.1);
    color: #6ee7b7;
}
[data-theme="dark"] .alert-danger,
[data-theme="dark"] .pt-alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
}
[data-theme="dark"] .alert-warning,
[data-theme="dark"] .pt-alert-warning {
    background-color: rgba(217, 119, 6, 0.1);
    color: #fcd34d;
}
[data-theme="dark"] .alert-info,
[data-theme="dark"] .pt-alert-info {
    background-color: rgba(14, 165, 233, 0.1);
    color: #7dd3fc;
}


/*
 * PT Components — Spinner (PtSpinner)
 */
.spinner-border,
.pt-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 2.5px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: pt-spin 0.65s linear infinite;
}

.spinner-border-sm,
.pt-spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.spinner-grow,
.pt-spinner-grow {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0;
    animation: pt-grow 0.75s ease-in-out infinite;
}

.pt-spinner-primary { color: var(--pt-primary); }
.pt-spinner-success { color: #059669; }
.pt-spinner-danger { color: #ef4444; }
.pt-spinner-secondary { color: #6b7280; }


/*
 * PT Components — Tabs (PtTabs)
 */
.nav-tabs,
.pt-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--pt-border);
    margin-bottom: 1.5rem; /* 24px — minor-section gap */
}

.nav-tabs .nav-item,
.pt-tabs .pt-tab {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pt-text-secondary);
    cursor: pointer;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-tabs .nav-item:hover,
.pt-tabs .pt-tab:hover {
    color: var(--pt-text-primary);
}

.nav-tabs .nav-item.active,
.pt-tabs .pt-tab.active {
    color: var(--pt-primary);
    border-bottom-color: var(--pt-primary);
}

.pt-tab-content {
    padding: 1rem 0;
}


/*
 * PT Components — Dropdown (PtDropdown)
 */
.dropdown,
.pt-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu,
.pt-dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.25rem;
    min-width: 12rem;
    border: none;
    border-radius: var(--pt-radius-md);
    background-color: var(--pt-surface);
    box-shadow: var(--pt-shadow-md);
    z-index: 1000;
    padding: 0.25rem;
    display: none;
}

.dropdown-menu.show,
.pt-dropdown-menu.show {
    display: block;
}

.dropdown-item,
.pt-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--pt-text-primary);
    border: none;
    background: transparent;
    border-radius: var(--pt-radius-sm);
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: background-color 0.15s ease;
}

.dropdown-item:hover,
.pt-dropdown-item:hover {
    background-color: var(--pt-bg-tertiary);
}

.dropdown-divider,
.pt-dropdown-divider {
    height: 1px;
    background-color: var(--pt-border);
    margin: 0.25rem 0;
}

[data-theme="dark"] .dropdown-menu,
[data-theme="dark"] .pt-dropdown-menu {
    background-color: var(--pt-surface);
}


/*
 * PT Components — Empty State (PtEmptyState)
 */
.pt-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
    text-align: center;
}

.pt-empty-state-icon {
    font-size: 2.5rem;
    color: var(--pt-text-muted);
    margin-bottom: 0.75rem;
}

.pt-empty-state-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--pt-text-secondary);
    margin-bottom: 0.25rem;
    letter-spacing: var(--pt-letter-tight);
}

.pt-empty-state-desc {
    font-size: 0.8rem;
    color: var(--pt-text-muted);
    margin-bottom: 1rem;
}


/*
 * PT Components — Breadcrumb (PtBreadcrumb)
 */
.breadcrumb,
.pt-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.breadcrumb-item,
.pt-breadcrumb-item {
    font-size: 0.8rem;
}

.breadcrumb-item a,
.pt-breadcrumb-item a {
    color: var(--pt-text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.breadcrumb-item a:hover,
.pt-breadcrumb-item a:hover {
    color: var(--pt-primary);
    text-decoration: underline;
}

.breadcrumb-item.active,
.pt-breadcrumb-item.active {
    color: var(--pt-text-primary);
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before,
.pt-breadcrumb-item + .pt-breadcrumb-item::before {
    content: "/";
    color: var(--pt-text-muted);
    margin-right: 0.5rem;
}


/*
 * PT Components — Modal (PtModal)
 */
.pt-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    animation: pt-fade-in 0.15s ease;
}

@keyframes pt-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.pt-modal {
    background-color: var(--pt-surface);
    border: none;
    border-radius: var(--pt-radius-lg);
    box-shadow: var(--pt-shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: pt-modal-in 0.2s ease;
}

@keyframes pt-modal-in {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.pt-modal-sm { max-width: 350px; }
.pt-modal-lg { max-width: 700px; }

.pt-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem; /* 16px / 24px (8pt grid) */
    border-bottom: none;
}

.pt-modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pt-text-primary);
    margin: 0;
    letter-spacing: var(--pt-letter-tight);
}

.pt-modal-close {
    background: transparent;
    border: none;
    color: var(--pt-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    border-radius: var(--pt-radius-sm);
    transition: background-color 0.15s ease, color 0.15s ease;
}

.pt-modal-close:hover {
    background-color: var(--pt-bg-tertiary);
    color: var(--pt-text-primary);
}

.pt-modal-body {
    padding: 1.5rem; /* 24px (8pt grid) */
    overflow-y: auto;
    flex: 1;
}

.pt-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem; /* 12px / 24px (8pt grid) */
    border-top: none;
}

[data-theme="dark"] .pt-modal {
    background-color: var(--pt-surface);
}

/* ── Raw Bootstrap modals used by detail pages — 4pt/8pt grid spacing ── */
.modal-header {
    padding: 1rem 1.5rem; /* 16px / 24px (8pt grid) */
}
.modal-body {
    padding: 1.5rem; /* 24px (8pt grid) */
}
.modal-footer {
    padding: 0.75rem 1.5rem; /* 12px / 24px (8pt grid) */
    gap: 0.5rem;
}

/* ── Form field groups — 24px+ before the next field group (8pt grid) ──
   Targets only .mb-3 elements that actually contain a form field, so the
   many non-field mb-3 usages (buttons, headers) are left untouched. */
.mb-3:has(.form-label),
.mb-3:has(.form-control),
.mb-3:has(.form-select),
.mb-3:has(.form-check),
.row.mb-3 {
    margin-bottom: 1.5rem; /* 24px (8pt grid) — separates field groups */
}


/*
 * PT Components — Search Input (PtSearchInput)
 */
.pt-search {
    position: relative;
    display: flex;
    align-items: center;
}

.pt-search input {
    padding-left: 2.25rem;
    padding-right: 2rem;
    background-color: var(--pt-input-bg);
    border: none;
}

.pt-search-icon {
    position: absolute;
    left: 0.625rem;
    color: var(--pt-text-muted);
    font-size: 0.875rem;
    pointer-events: none;
}

.pt-search-clear {
    position: absolute;
    right: 0.375rem;
    background: transparent;
    border: none;
    color: var(--pt-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--pt-radius-sm);
    font-size: 0.875rem;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.pt-search-clear:hover {
    color: var(--pt-text-primary);
    background-color: var(--pt-bg-tertiary);
}


/*
 * PT Components — Confirm Dialog (PtConfirmDialog)
 */
.pt-confirm-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--pt-radius-full);
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.pt-confirm-icon-danger { background-color: rgba(239, 68, 68, 0.1); color: #ef4444; }
.pt-confirm-icon-warning { background-color: rgba(217, 119, 6, 0.1); color: #d97706; }
.pt-confirm-icon-info { background-color: rgba(14, 165, 233, 0.1); color: #0ea5e9; }

.pt-confirm-message {
    text-align: center;
    color: var(--pt-text-primary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 1.25rem;
}


/*
 * PT Components — Upload (PtUpload)
 */
.pt-upload-zone {
    border: 2px dashed var(--pt-border);
    border-radius: var(--pt-radius-lg);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.pt-upload-zone:hover {
    border-color: var(--pt-primary);
    background-color: var(--pt-surface-hover);
}

.pt-upload-icon {
    font-size: 1.75rem;
    color: var(--pt-text-muted);
    margin-bottom: 0.5rem;
}

.pt-upload-text {
    font-size: 0.85rem;
    color: var(--pt-text-secondary);
}

.pt-upload-link {
    color: var(--pt-primary);
    font-weight: 600;
}

.pt-upload-hint {
    font-size: 0.7rem;
    color: var(--pt-text-muted);
    margin-top: 0.25rem;
}

.pt-upload-file-list {
    margin-top: 0.75rem;
}

.pt-upload-file-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: var(--pt-radius-md);
    margin-bottom: 0.375rem;
    font-size: 0.8rem;
    background-color: var(--pt-bg-tertiary);
}

.pt-upload-file-item .pt-upload-file-icon {
    color: var(--pt-primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.pt-upload-file-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pt-upload-file-size {
    color: var(--pt-text-muted);
    font-size: 0.7rem;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.pt-upload-file-item .pt-upload-file-remove {
    margin-left: auto;
    background: transparent;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.7rem;
    border-radius: var(--pt-radius-sm);
    transition: background-color 0.15s ease;
    flex-shrink: 0;
}

.pt-upload-file-item .pt-upload-file-remove:hover {
    background-color: rgba(239, 68, 68, 0.1);
}


/*
 * PT Components — Table (PtTable)
 */
.pt-table-row {
    transition: background-color 0.15s ease;
    border-bottom: none;
}

.pt-table-row:hover {
    background-color: var(--pt-bg-tertiary);
}

/* Tabular numbers for numeric alignment */
.pt-table-row td {
    font-variant-numeric: tabular-nums;
}


/*
 * PT Components — Stat (PtStat) — for dashboards
 */
.pt-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pt-stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pt-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.pt-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--pt-text-primary);
    letter-spacing: var(--pt-letter-tight);
    font-variant-numeric: tabular-nums;
}

.pt-stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.pt-stat-trend-up { color: #059669; }
.pt-stat-trend-down { color: #ef4444; }


/*
 * PT Components — Form Field (PtFormField) — wrapper for Label + Input + Help + Validation
 */
.pt-form-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1rem;
}


/* ============ BUTTON DARK MODE ============ */
[data-theme="dark"] .pt-btn-primary,
[data-theme="dark"] .btn-primary {
    background-image: linear-gradient(180deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
    border-color: var(--pt-primary-dark);
}

[data-theme="dark"] .pt-btn-secondary,
[data-theme="dark"] .btn-secondary {
    background-image: linear-gradient(180deg, #4b5563 0%, #3f4651 100%);
    border-color: #3f4651;
}

[data-theme="dark"] .pt-btn-ghost:hover,
[data-theme="dark"] .pt-btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .btn-outline-secondary,
[data-theme="dark"] .pt-btn-outline-secondary {
    border-color: var(--pt-border);
    color: var(--pt-text-secondary);
}

[data-theme="dark"] .btn-outline-secondary:hover,
[data-theme="dark"] .pt-btn-outline-secondary:hover {
    background-color: #4b5563;
    border-color: #4b5563;
    color: #ffffff;
}


/*
 * PT Components — Toast (PtToastContainer)
 * Overlapping stack, expands on hover, up to 5 visible.
 * Inspired by HeroUI / Sonner.
 */

/* ============ CONTAINER ============ */
.pt-toast-container {
    position: fixed;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 380px;
    pointer-events: none;
}

.pt-toast-topright {
    top: 1rem;
    right: 1rem;
}

.pt-toast-topleft {
    top: 1rem;
    left: 1rem;
}

.pt-toast-bottomright {
    bottom: 1rem;
    right: 1rem;
}

.pt-toast-bottomleft {
    bottom: 1rem;
    left: 1rem;
}

/* ============ TOAST CARD ============ */
.pt-toast {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.875rem 1rem;
    background-color: var(--pt-surface);
    border: none;
    border-radius: var(--pt-radius-lg);
    box-shadow: var(--pt-shadow-md);
    pointer-events: auto;
    overflow: hidden;
    /* Overlap: every toast after the first pulls up by the same amount */
    transition: margin-top 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    animation: pt-toast-in 0.25s ease;
}

/* First toast: no margin */
.pt-toast[style*="--toast-index: 0"] {
    margin-top: 0;
}

/* All other toasts: same overlap amount */
.pt-toast[style*="--toast-index: 1"],
.pt-toast[style*="--toast-index: 2"],
.pt-toast[style*="--toast-index: 3"],
.pt-toast[style*="--toast-index: 4"] {
    margin-top: -3.5rem;
}

@keyframes pt-toast-in {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============ HOVER: EXPAND STACK ============ */
.pt-toast-container:hover .pt-toast {
    margin-top: 0;
    opacity: 1;
}

.pt-toast-container:hover .pt-toast + .pt-toast {
    margin-top: 0.5rem;
}

/* ============ ICON ============ */
.pt-toast-icon {
    flex-shrink: 0;
    font-size: 1.125rem;
    line-height: 1.25rem;
}

.pt-toast-success .pt-toast-icon { color: #059669; }
.pt-toast-error .pt-toast-icon { color: #ef4444; }
.pt-toast-warning .pt-toast-icon { color: #d97706; }
.pt-toast-information .pt-toast-icon { color: #0ea5e9; }

/* Left accent border */
.pt-toast-success { border-left: 3px solid #059669; }
.pt-toast-error { border-left: 3px solid #ef4444; }
.pt-toast-warning { border-left: 3px solid #d97706; }
.pt-toast-information { border-left: 3px solid #0ea5e9; }

/* ============ CONTENT ============ */
.pt-toast-content {
    flex: 1;
    min-width: 0;
}

.pt-toast-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pt-text-primary);
    letter-spacing: var(--pt-letter-tight);
}

.pt-toast-desc {
    font-size: 0.75rem;
    color: var(--pt-text-secondary);
    margin-top: 0.125rem;
    line-height: 1.3;
}

/* ============ CLOSE BUTTON ============ */
.pt-toast-close {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--pt-text-muted);
    cursor: pointer;
    padding: 0.125rem;
    font-size: 0.7rem;
    line-height: 1;
    border-radius: var(--pt-radius-sm);
    transition: color 0.15s ease, background-color 0.15s ease;
}

.pt-toast-close:hover {
    color: var(--pt-text-primary);
    background-color: var(--pt-bg-tertiary);
}

/* ============ PROGRESS BAR ============ */
.pt-toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--pt-primary);
    animation: pt-toast-progress linear forwards;
    transform-origin: left;
}

@keyframes pt-toast-progress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

.pt-toast-success .pt-toast-progress { background-color: #059669; }
.pt-toast-error .pt-toast-progress { background-color: #ef4444; }
.pt-toast-warning .pt-toast-progress { background-color: #d97706; }
.pt-toast-information .pt-toast-progress { background-color: #0ea5e9; }

/* ============ DARK MODE ============ */
[data-theme="dark"] .pt-toast {
    background-color: var(--pt-surface);
}

[data-theme="dark"] .pt-toast-title {
    color: var(--pt-text-primary);
}

[data-theme="dark"] .pt-toast-desc {
    color: var(--pt-text-secondary);
}

[data-theme="dark"] .pt-toast-close {
    color: var(--pt-text-muted);
}

[data-theme="dark"] .pt-toast-close:hover {
    color: var(--pt-text-primary);
    background-color: var(--pt-bg-tertiary);
}


/*
 * PT Components — Progress Bar (PtProgressBar)
 * Linear and circular progress indicators.
 */

/* ============ LINEAR PROGRESS ============ */
.pt-progress-linear-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.pt-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pt-progress-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pt-text-secondary);
}

.pt-progress-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pt-text-primary);
    font-variant-numeric: tabular-nums;
}

/* Track */
.pt-progress-linear {
    width: 100%;
    background-color: var(--pt-bg-tertiary);
    border-radius: var(--pt-radius-full);
    overflow: hidden;
    position: relative;
}

.pt-progress-linear-small { height: 4px; }
.pt-progress-linear-medium { height: 8px; }
.pt-progress-linear-large { height: 12px; }

/* Fill */
.pt-progress-fill {
    height: 100%;
    border-radius: var(--pt-radius-full);
    transition: width 0.3s ease;
}

/* Variant colors */
.pt-progress-fill-primary { background-color: var(--pt-primary); }
.pt-progress-fill-success { background-color: #059669; }
.pt-progress-fill-warning { background-color: #d97706; }
.pt-progress-fill-danger { background-color: #ef4444; }
.pt-progress-fill-secondary { background-color: #6b7280; }

/* Striped */
.pt-progress-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: pt-progress-stripes 0.6s linear infinite;
}

@keyframes pt-progress-stripes {
    from { background-position: 0 0; }
    to { background-position: 1rem 0; }
}

/* Indeterminate */
.pt-progress-indeterminate {
    width: 40% !important;
    animation: pt-progress-indeterminate 1.4s ease-in-out infinite;
}

@keyframes pt-progress-indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* ============ CIRCULAR PROGRESS ============ */
.pt-progress-circular {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pt-progress-circular-svg {
    transform: rotate(-90deg);
}

.pt-progress-circular-small { width: 2.5rem; height: 2.5rem; }
.pt-progress-circular-medium { width: 3.5rem; height: 3.5rem; }
.pt-progress-circular-large { width: 5rem; height: 5rem; }

.pt-progress-circular-track {
    fill: none;
    stroke: var(--pt-bg-tertiary);
    stroke-width: 3;
}

.pt-progress-circular-fill {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: var(--progress-offset, 100);
    transition: stroke-dashoffset 0.3s ease;
}

.pt-progress-circular-fill-primary { stroke: var(--pt-primary); }
.pt-progress-circular-fill-success { stroke: #059669; }
.pt-progress-circular-fill-warning { stroke: #d97706; }
.pt-progress-circular-fill-danger { stroke: #ef4444; }
.pt-progress-circular-fill-secondary { stroke: #6b7280; }

.pt-progress-circular-value {
    position: absolute;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--pt-text-primary);
    font-variant-numeric: tabular-nums;
}

.pt-progress-circular-small .pt-progress-circular-value { font-size: 0.55rem; }
.pt-progress-circular-large .pt-progress-circular-value { font-size: 0.9rem; }

/* ============ DARK MODE ============ */
[data-theme="dark"] .pt-progress-linear {
    background-color: var(--pt-bg-tertiary);
}

[data-theme="dark"] .pt-progress-circular-track {
    stroke: var(--pt-bg-tertiary);
}


/*
 * PT Components — Slider (PtSlider)
 * Single-thumb and range slider with colored fill.
 */

/* ============ HEADER ============ */
.pt-slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.pt-slider-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--pt-text-secondary);
}

.pt-slider-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pt-text-primary);
    font-variant-numeric: tabular-nums;
}

/* ============ WRAPPER ============ */
.pt-slider-wrapper {
    position: relative;
    height: 1.5rem;
    display: flex;
    align-items: center;
}

/* ============ TRACK (background) ============ */
.pt-slider-track {
    position: absolute;
    left: 0;
    right: 0;
    height: 6px;
    border-radius: var(--pt-radius-full);
    background-color: var(--pt-bg-tertiary);
}

/* ============ FILL (colored portion) ============ */
.pt-slider-single-fill,
.pt-slider-range-fill {
    position: absolute;
    height: 6px;
    border-radius: var(--pt-radius-full);
    background-color: var(--pt-primary);
    pointer-events: none;
}

/* ============ THUMB (visual knob) ============ */
.pt-slider-thumb {
    position: absolute;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid var(--pt-primary);
    box-shadow: var(--pt-shadow-sm);
    transform: translateX(-50%);
    pointer-events: none;
    transition: transform 0.08s ease, box-shadow 0.15s ease;
}

.pt-slider-wrapper:hover .pt-slider-thumb {
    box-shadow: var(--pt-shadow-md);
    transform: translateX(-50%) scale(1.15);
}

/* ============ NATIVE INPUT (invisible, handles interaction) ============ */
.pt-slider-input {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1.5rem;
    margin: 0;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    cursor: pointer;
}

/* Remove default track/thumb from native input */
.pt-slider-input::-webkit-slider-runnable-track {
    background: transparent;
    border: none;
    height: 1.5rem;
}

.pt-slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 1.5rem;
    height: 1.5rem;
    background: transparent;
    cursor: pointer;
}

.pt-slider-input::-moz-range-track {
    background: transparent;
    border: none;
    height: 1.5rem;
}

.pt-slider-input::-moz-range-thumb {
    width: 1.5rem;
    height: 1.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
}

/* Range slider: inputs overlap, pointer-events only on thumbs */
.pt-slider-input-min,
.pt-slider-input-max {
    pointer-events: none;
}

.pt-slider-input-min::-webkit-slider-thumb { pointer-events: auto; }
.pt-slider-input-max::-webkit-slider-thumb { pointer-events: auto; }
.pt-slider-input-min::-moz-range-thumb { pointer-events: auto; }
.pt-slider-input-max::-moz-range-thumb { pointer-events: auto; }

/* When disabled */
.pt-slider-input:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.pt-slider-input:disabled ~ .pt-slider-thumb {
    opacity: 0.5;
}

.pt-slider-wrapper:has(.pt-slider-input:disabled) {
    opacity: 0.5;
    pointer-events: none;
}

/* ============ DARK MODE ============ */
[data-theme="dark"] .pt-slider-track {
    background-color: var(--pt-bg-tertiary);
}

[data-theme="dark"] .pt-slider-thumb {
    background-color: #e5e7eb;
    border-color: var(--pt-primary);
}


/*
 * PT Components — Kbd (PtKbd)
 * Keyboard key display for showing shortcuts.
 */

.pt-kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;
    height: 1.5rem;
    padding: 0 0.375rem;
    font-family: var(--pt-font-family);
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1;
    color: var(--pt-text-primary);
    background-color: var(--pt-bg-tertiary);
    border: none;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--pt-radius-sm);
    box-shadow: var(--pt-shadow-xs);
    user-select: none;
    white-space: nowrap;
}

.pt-kbd-group {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.pt-kbd-separator {
    font-size: 0.65rem;
    color: var(--pt-text-muted);
    user-select: none;
}

[data-theme="dark"] .pt-kbd {
    background-color: var(--pt-bg-tertiary);
    border-bottom-color: rgba(0, 0, 0, 0.3);
    color: var(--pt-text-primary);
}


/*
 * PT Components — Stepper (PtStepper)
 * Multi-step form wizard with step navigation.
 */

/* ============ CONTAINER ============ */
.pt-stepper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ============ PROGRESS BAR ============ */
.pt-stepper-progress-bar {
    width: 100%;
    height: 3px;
    background-color: var(--pt-bg-tertiary);
    border-radius: var(--pt-radius-full);
    overflow: hidden;
}

.pt-stepper-progress-fill {
    height: 100%;
    background-color: var(--pt-primary);
    border-radius: var(--pt-radius-full);
    transition: width 0.3s ease;
}

/* ============ HEADER (step indicators) ============ */
.pt-stepper-header {
    display: flex;
    align-items: flex-start;
    gap: 0;
}

.pt-stepper-horizontal {
    flex-direction: row;
    align-items: flex-start;
}

.pt-stepper-vertical {
    flex-direction: column;
    gap: 0.5rem;
}

/* ============ NODE WRAPPER ============ */
.pt-stepper-node-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

/* Vertical orientation: node wrapper is a row */
.pt-stepper-vertical .pt-stepper-node-wrapper {
    flex-direction: row;
    gap: 0.75rem;
    align-items: center;
}

/* ============ NODE (circle) ============ */
.pt-stepper-node {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--pt-radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: default;
    transition: background-color 0.2s ease, border-color 0.2s ease,
                box-shadow 0.2s ease, color 0.2s ease;
    user-select: none;
}

.pt-stepper-node i {
    font-size: 0.8rem;
}

/* Pending: outlined, muted */
.pt-stepper-node-pending {
    background-color: var(--pt-bg-tertiary);
    color: var(--pt-text-muted);
    border: 2px solid var(--pt-border);
}

/* Current: filled primary, ring glow */
.pt-stepper-node-current {
    background-color: var(--pt-primary);
    color: #ffffff;
    border: 2px solid var(--pt-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
}

/* Completed: filled primary, checkmark */
.pt-stepper-node-completed {
    background-color: var(--pt-primary);
    color: #ffffff;
    border: 2px solid var(--pt-primary);
    cursor: pointer;
}

.pt-stepper-node-completed:hover {
    background-color: var(--pt-primary-dark);
    border-color: var(--pt-primary-dark);
}

/* ============ LABEL ============ */
.pt-stepper-label {
    font-size: 0.7rem;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    max-width: 6rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pt-stepper-label-pending { color: var(--pt-text-muted); }
.pt-stepper-label-current { color: var(--pt-primary); font-weight: 600; }
.pt-stepper-label-completed { color: var(--pt-text-secondary); }

/* Vertical: label is inline */
.pt-stepper-vertical .pt-stepper-label {
    text-align: left;
    max-width: none;
}

/* ============ CONNECTOR LINE ============ */
.pt-stepper-connector {
    flex: 1;
    height: 2px;
    margin-top: 1rem;
    min-width: 1.5rem;
    transition: background-color 0.3s ease;
}

.pt-stepper-connector-completed {
    background-color: var(--pt-primary);
}

.pt-stepper-connector-pending {
    background-image: repeating-linear-gradient(
        90deg,
        var(--pt-border) 0,
        var(--pt-border) 4px,
        transparent 4px,
        transparent 8px
    );
    background-color: transparent;
}

/* Vertical connector */
.pt-stepper-vertical .pt-stepper-connector {
    width: 2px;
    height: 1.5rem;
    margin-top: 0;
    margin-left: 1rem;
    min-width: 0;
    flex: none;
}

.pt-stepper-vertical .pt-stepper-connector-completed {
    background-color: var(--pt-primary);
}

.pt-stepper-vertical .pt-stepper-connector-pending {
    background-image: repeating-linear-gradient(
        180deg,
        var(--pt-border) 0,
        var(--pt-border) 4px,
        transparent 4px,
        transparent 8px
    );
    background-color: transparent;
}

/* ============ CONTENT ============ */
.pt-stepper-content {
    min-height: 8rem;
}

.pt-stepper-content-inner {
    animation: pt-stepper-fade 0.2s ease;
}

@keyframes pt-stepper-fade {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============ NAVIGATION ============ */
.pt-stepper-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--pt-border);
}

.pt-stepper-step-count {
    font-size: 0.7rem;
    color: var(--pt-text-muted);
    font-variant-numeric: tabular-nums;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
    .pt-stepper-label {
        display: none;
    }

    .pt-stepper-node {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.65rem;
    }

    .pt-stepper-node i {
        font-size: 0.65rem;
    }

    .pt-stepper-connector {
        margin-top: 0.75rem;
    }
}

/* ============ DARK MODE ============ */
[data-theme="dark"] .pt-stepper-node-pending {
    background-color: var(--pt-bg-tertiary);
    border-color: var(--pt-border);
}

[data-theme="dark"] .pt-stepper-node-current {
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

[data-theme="dark"] .pt-stepper-connector-pending {
    background-image: repeating-linear-gradient(
        90deg,
        var(--pt-border) 0,
        var(--pt-border) 4px,
        transparent 4px,
        transparent 8px
    );
}

/* ============ SELECT ITEM (used by stepper wizards) ============ */
.pt-stepper-select-item {
    padding: 0.625rem 0.875rem;
    border-radius: var(--pt-radius-md);
    cursor: pointer;
    transition: background-color 0.15s ease;
    font-size: 0.85rem;
}

.pt-stepper-select-item:hover {
    background-color: var(--pt-bg-tertiary);
}

.pt-stepper-select-item.selected {
    background-color: rgba(102, 126, 234, 0.1);
    border-left: 3px solid var(--pt-primary);
}

/* ============ OVERVIEW FIELDS (detail pages) ============ */
.pt-overview-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--pt-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025rem;
    margin-bottom: 0.125rem;
}

.pt-overview-value {
    font-size: 0.875rem;
    color: var(--pt-text-primary);
    font-weight: 500;
    word-break: break-word;
}


/*
 * PT Components — Accordion (PtAccordion)
 * Inspired by HeroUI accordion — collapsible sections with smooth animation
 */
.pt-accordion {
    border: 1px solid var(--pt-border);
    border-radius: 8px;
    overflow: hidden;
}

.pt-accordion-item {
    border-bottom: 1px solid var(--pt-border);
}

.pt-accordion-item:last-child {
    border-bottom: none;
}

.pt-accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pt-text-primary);
    text-align: left;
    transition: background-color 0.15s ease;
}

.pt-accordion-trigger:hover {
    background-color: var(--pt-bg-tertiary);
}

.pt-accordion-trigger-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.pt-accordion-trigger-icon {
    font-size: 1rem;
    color: var(--pt-text-muted);
    flex-shrink: 0;
}

.pt-accordion-chevron {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--pt-text-muted);
    transition: transform 0.2s ease;
}

.pt-accordion-item.expanded .pt-accordion-chevron {
    transform: rotate(180deg);
}

.pt-accordion-content {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.25s ease;
}

.pt-accordion-item.expanded .pt-accordion-content {
    max-height: 1000px;
}

.pt-accordion-content-inner {
    padding: 0 1rem 0.75rem 1rem;
    font-size: 0.85rem;
    color: var(--pt-text-secondary);
    line-height: 1.5;
}

.pt-accordion-variant-separated .pt-accordion-item {
    border: 1px solid var(--pt-border);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.pt-accordion-variant-separated {
    border: none;
    background: transparent;
}

.pt-accordion-variant-light .pt-accordion-trigger {
    background-color: var(--pt-bg-secondary);
}

[data-theme="dark"] .pt-accordion-trigger:hover {
    background-color: rgba(255, 255, 255, 0.05);
}


/*
 * PT Components — Skeleton (PtSkeleton)
 * Shimmer animation loading placeholders — replaces "Loading..." text
 */
.pt-skeleton-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.pt-skeleton-line {
    height: 0.875rem;
    border-radius: 4px;
    background: linear-gradient(90deg,
        var(--pt-bg-tertiary) 0%,
        var(--pt-bg-secondary) 50%,
        var(--pt-bg-tertiary) 100%);
    background-size: 200% 100%;
    animation: pt-skeleton-shimmer 1.4s ease infinite;
}

.pt-skeleton-circle {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: linear-gradient(90deg,
        var(--pt-bg-tertiary) 0%,
        var(--pt-bg-secondary) 50%,
        var(--pt-bg-tertiary) 100%);
    background-size: 200% 100%;
    animation: pt-skeleton-shimmer 1.4s ease infinite;
    flex-shrink: 0;
}

@keyframes pt-skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

[data-theme="dark"] .pt-skeleton-line,
[data-theme="dark"] .pt-skeleton-circle {
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 100%);
    background-size: 200% 100%;
}