/**
 * VibeFarsi "انار" (Pomegranate) Design System & Component Library
 * Official Design Language: Claymorphism (خمیری، پف‌دار، نرم و لمس‌پذیر)
 * Source: https://vibefarsi.ir/themes/pomegranate & https://vibefarsi.ir/components
 *
 * Fully RTL-first, Persian Typography (Vazirmatn weights 400-800),
 * Dual Theme: Pomegranate Light Blush & Pomegranate Night Clay,
 * Layered Inset/Drop Shadows, 999px Capsule Controls, 16px Fields, 28px Surfaces,
 * 420ms Spring Physics (cubic-bezier(0.34, 1.56, 0.64, 1))
 */

:root,
[data-theme="light"],
[data-theme="pomegranate"] {
    color-scheme: light;

    /* Base Colors (OKLCH with hex fallback) */
    --background: oklch(0.94 0.025 15);
    --background-hex: #fcf4f4;
    --foreground: oklch(0.27 0.05 15);
    --foreground-hex: #3d2b2f;

    --card: oklch(0.975 0.012 15);
    --card-hex: #fdf9f9;
    --card-foreground: oklch(0.27 0.05 15);

    --popover: oklch(0.985 0.008 15);
    --popover-hex: #fefcfc;
    --popover-foreground: oklch(0.27 0.05 15);

    --primary: oklch(0.6 0.2 18);
    --primary-hex: #dc2644;
    --primary-hover: oklch(0.55 0.22 18);
    --primary-foreground: oklch(0.99 0.005 15);

    --secondary: oklch(0.9 0.035 15);
    --secondary-hex: #f5e4e6;
    --secondary-hover: oklch(0.85 0.045 15);
    --secondary-foreground: oklch(0.27 0.05 15);

    --muted: oklch(0.92 0.03 15);
    --muted-hex: #f7e8ea;
    --muted-foreground: oklch(0.5 0.05 15);
    --muted-foreground-hex: #7e5e65;

    --accent: oklch(0.9 0.04 15);
    --accent-hex: #fae1e4;
    --accent-foreground: oklch(0.27 0.05 15);

    --destructive: oklch(0.55 0.2 28);
    --destructive-foreground: #ffffff;
    --success: oklch(0.58 0.14 160);
    --success-foreground: #ffffff;
    --warning: oklch(0.68 0.15 65);
    --warning-foreground: #ffffff;

    --border: oklch(0.27 0.05 15 / 9%);
    --border-subtle: rgba(61, 43, 47, 0.09);
    --input: oklch(0.27 0.05 15 / 12%);
    --ring: oklch(0.6 0.2 18);

    --brand: oklch(0.6 0.17 340);
    --brand-foreground: oklch(0.99 0 0);

    /* Header & Footer Surface Colors */
    --header-bg: oklch(0.96 0.015 15 / 92%);
    --footer-bg: oklch(0.97 0.015 15);

    /* Shapes & Radii */
    --radius: 1.25rem;
    --shape-control: 999px;
    --shape-field: 1rem;
    --shape-surface: 1.75rem;
    --shape-overlay: 1.5rem;
    --line: 1px;
    --line-field: 1px;
    --line-style: solid;
    --field: var(--card);

    /* Layered Clay Depth (Light Pomegranate Clay) */
    --depth-control: inset 0 -3px 0 0 oklch(0.2 0.08 15 / 16%),
                     inset 0 2px 0 0 oklch(1 0 0 / 35%),
                     0 10px 20px -10px oklch(0.45 0.16 18 / 55%);
    --depth-control-hover: inset 0 -3px 0 0 oklch(0.2 0.08 15 / 18%),
                           inset 0 2px 0 0 oklch(1 0 0 / 50%),
                           0 14px 26px -8px oklch(0.45 0.18 18 / 65%);
    --depth-press: inset 0 2px 5px 0 oklch(0.2 0.08 15 / 22%);
    --depth-field: inset 0 2px 5px 0 oklch(0.3 0.08 15 / 9%);
    --depth-surface: inset 0 2px 0 0 oklch(1 0 0 / 80%),
                     inset 0 -4px 10px 0 oklch(0.45 0.1 15 / 7%),
                     0 24px 44px -24px oklch(0.45 0.14 18 / 40%);
    --depth-surface-hover: inset 0 2px 0 0 oklch(1 0 0 / 95%),
                           inset 0 -4px 12px 0 oklch(0.45 0.1 15 / 9%),
                           0 28px 50px -20px oklch(0.45 0.16 18 / 50%);
    --depth-overlay: inset 0 2px 0 0 oklch(1 0 0 / 80%),
                     0 30px 60px -22px oklch(0.45 0.14 18 / 45%);

    /* Physics & Motion */
    --press: scale(0.95);
    --motion: 420ms;
    --motion-ease: cubic-bezier(0.34, 1.56, 0.64, 1);
    --spacing: 0.275rem;

    /* Typography */
    --type-body: "Vazirmatn", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --type-display: "Vazirmatn", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --type-display-weight: 800;

    /* Legacy CSS Variable Compatibility */
    --bg-color: var(--background);
    --surface-color: var(--card);
    --surface-card: var(--card);
    --surface-border: var(--border);
    --text-primary: var(--foreground);
    --text-secondary: var(--muted-foreground);
    --text-muted: var(--muted-foreground);
    --brand-primary: var(--primary);
    --brand-hover: var(--primary-hover);
    --card-shadow: var(--depth-surface);
    --card-shadow-hover: var(--depth-surface-hover);
    --border-radius: var(--shape-surface);
}

/* Dark Mode - Pomegranate Night Clay (انار شب) */
[data-theme="dark"] {
    color-scheme: dark;

    --background: oklch(0.18 0.03 15);
    --background-hex: #221619;
    --foreground: oklch(0.96 0.015 15);
    --foreground-hex: #fcf1f3;

    --card: oklch(0.23 0.035 15);
    --card-hex: #2e1c22;
    --card-foreground: oklch(0.96 0.015 15);

    --popover: oklch(0.25 0.035 15);
    --popover-hex: #342027;
    --popover-foreground: oklch(0.96 0.015 15);

    --primary: oklch(0.63 0.23 18);
    --primary-hex: #e32649;
    --primary-hover: oklch(0.68 0.23 18);
    --primary-foreground: #ffffff;

    --secondary: oklch(0.28 0.04 15);
    --secondary-hex: #3d232c;
    --secondary-hover: oklch(0.33 0.045 15);
    --secondary-foreground: oklch(0.96 0.015 15);

    --muted: oklch(0.26 0.03 15);
    --muted-hex: #362229;
    --muted-foreground: oklch(0.72 0.04 15);
    --muted-foreground-hex: #b59fa4;

    --accent: oklch(0.31 0.05 15);
    --accent-hex: #432530;
    --accent-foreground: oklch(0.96 0.015 15);

    --destructive: oklch(0.55 0.2 28);
    --destructive-foreground: #ffffff;
    --success: oklch(0.58 0.14 160);
    --success-foreground: #ffffff;
    --warning: oklch(0.68 0.15 65);
    --warning-foreground: #ffffff;

    --border: oklch(0.96 0.015 15 / 12%);
    --border-subtle: rgba(252, 241, 243, 0.12);
    --input: oklch(0.96 0.015 15 / 15%);
    --ring: oklch(0.63 0.23 18);

    --brand: oklch(0.65 0.18 340);
    --brand-foreground: oklch(0.99 0 0);

    --header-bg: oklch(0.20 0.03 15 / 92%);
    --footer-bg: oklch(0.19 0.03 15);

    /* Dark Mode Layered Shadows */
    --depth-control: inset 0 -3px 0 0 oklch(0 0 0 / 30%),
                     inset 0 2px 0 0 oklch(1 1 1 / 15%),
                     0 10px 20px -10px oklch(0.63 0.23 18 / 38%);
    --depth-control-hover: inset 0 -3px 0 0 oklch(0 0 0 / 35%),
                           inset 0 2px 0 0 oklch(1 1 1 / 25%),
                           0 14px 26px -8px oklch(0.63 0.23 18 / 55%);
    --depth-press: inset 0 3px 6px 0 oklch(0 0 0 / 45%);
    --depth-field: inset 0 2px 5px 0 oklch(0 0 0 / 30%);
    --depth-surface: inset 0 1px 0 0 oklch(1 1 1 / 10%),
                     inset 0 -4px 10px 0 oklch(0 0 0 / 30%),
                     0 24px 44px -20px oklch(0 0 0 / 65%);
    --depth-surface-hover: inset 0 1px 0 0 oklch(1 1 1 / 18%),
                           inset 0 -4px 12px 0 oklch(0 0 0 / 40%),
                           0 28px 50px -18px oklch(0 0 0 / 75%);
    --depth-overlay: inset 0 1px 0 0 oklch(1 1 1 / 15%),
                     0 30px 60px -20px oklch(0 0 0 / 75%);

    /* Legacy compatibility overrides for dark mode */
    --bg-color: var(--background);
    --surface-color: var(--card);
    --surface-card: var(--card);
    --surface-border: var(--border);
    --text-primary: var(--foreground);
    --text-secondary: var(--muted-foreground);
    --text-muted: var(--muted-foreground);
    --brand-primary: var(--primary);
    --brand-hover: var(--primary-hover);
    --card-shadow: var(--depth-surface);
    --card-shadow-hover: var(--depth-surface-hover);
}

/* ==========================================================================
   VIBEFARSI POMEGRANATE UTILITY CLASSES
   ========================================================================== */
.rounded-control {
    border-radius: var(--shape-control) !important;
}

.rounded-field {
    border-radius: var(--shape-field) !important;
}

.rounded-surface {
    border-radius: var(--shape-surface) !important;
}

.rounded-overlay {
    border-radius: var(--shape-overlay) !important;
}

.shadow-control {
    box-shadow: var(--depth-control) !important;
}

.shadow-field {
    box-shadow: var(--depth-field) !important;
}

.shadow-surface {
    box-shadow: var(--depth-surface) !important;
}

.shadow-overlay {
    box-shadow: var(--depth-overlay) !important;
}

.border-line {
    border: var(--line) var(--line-style) var(--border) !important;
}

.spring-motion {
    transition: all var(--motion) var(--motion-ease) !important;
}

.font-display {
    font-family: var(--type-display) !important;
    font-weight: var(--type-display-weight) !important;
}

/* ==========================================================================
   COMPONENT 1: BUTTONS (دکمه‌های کپسولی خمیری)
   ========================================================================== */
.btn,
button.btn,
a.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--type-body);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.5;
    padding: 0.65rem 1.45rem;
    border-radius: var(--shape-control) !important;
    border: var(--line) var(--line-style) transparent;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: transform var(--motion) var(--motion-ease),
                box-shadow var(--motion) var(--motion-ease),
                background-color var(--motion) var(--motion-ease),
                border-color var(--motion) var(--motion-ease),
                color var(--motion) var(--motion-ease);
}

.btn:active,
button.btn:active,
a.btn:active {
    transform: var(--press) !important;
    box-shadow: var(--depth-press) !important;
}

/* Primary Pomegranate Button */
.btn-primary,
button.btn-primary,
a.btn-primary {
    background-color: var(--primary) !important;
    color: var(--primary-foreground) !important;
    border-color: transparent !important;
    box-shadow: var(--depth-control) !important;
}

.btn-primary:hover,
button.btn-primary:hover,
a.btn-primary:hover {
    background-color: var(--primary-hover) !important;
    box-shadow: var(--depth-control-hover) !important;
    transform: translateY(-2px);
    color: var(--primary-foreground) !important;
}

/* Secondary Clay Button */
.btn-secondary,
button.btn-secondary,
a.btn-secondary {
    background-color: var(--secondary) !important;
    color: var(--secondary-foreground) !important;
    border-color: var(--border) !important;
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.4), 0 4px 12px -2px rgba(61, 43, 47, 0.08) !important;
}

.btn-secondary:hover,
button.btn-secondary:hover,
a.btn-secondary:hover {
    background-color: var(--accent) !important;
    color: var(--accent-foreground) !important;
    transform: translateY(-2px);
}

/* Outline Clay Button */
.btn-outline,
.btn-outline-primary,
button.btn-outline,
a.btn-outline {
    background-color: var(--card) !important;
    color: var(--foreground) !important;
    border: 1px solid var(--border) !important;
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.5), 0 3px 8px -2px rgba(61, 43, 47, 0.06) !important;
}

.btn-outline:hover,
.btn-outline-primary:hover,
button.btn-outline:hover,
a.btn-outline:hover {
    background-color: var(--accent) !important;
    color: var(--primary) !important;
    border-color: var(--primary) !important;
    box-shadow: var(--depth-control) !important;
    transform: translateY(-2px);
}

/* Destructive / Danger Button */
.btn-danger,
button.btn-danger,
a.btn-danger {
    background-color: var(--destructive) !important;
    color: var(--destructive-foreground) !important;
    border-color: transparent !important;
    box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.2), inset 0 2px 0 0 rgba(255, 255, 255, 0.3), 0 8px 16px -6px rgba(220, 38, 38, 0.5) !important;
}

.btn-danger:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
}

/* Success Button */
.btn-success,
button.btn-success,
a.btn-success {
    background-color: var(--success) !important;
    color: var(--success-foreground) !important;
    border-color: transparent !important;
    box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.2), inset 0 2px 0 0 rgba(255, 255, 255, 0.3), 0 8px 16px -6px rgba(16, 185, 129, 0.5) !important;
}

.btn-success:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm,
button.btn-sm,
a.btn-sm {
    padding: 0.42rem 1rem !important;
    font-size: 0.85rem !important;
}

.btn-lg,
button.btn-lg,
a.btn-lg {
    padding: 0.85rem 2rem !important;
    font-size: 1.1rem !important;
}

/* ==========================================================================
   COMPONENT 2: CARDS & SURFACES (کارت‌های ۲۸ پیکسلی چند لایه)
   ========================================================================== */
.card,
.post-card,
.project-card,
.skill-card,
.widget,
.stat-card {
    background-color: var(--card);
    color: var(--card-foreground);
    border: var(--line) var(--line-style) var(--border);
    border-radius: var(--shape-surface) !important;
    box-shadow: var(--depth-surface) !important;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--motion) var(--motion-ease),
                box-shadow var(--motion) var(--motion-ease),
                border-color var(--motion) var(--motion-ease);
}

.card:hover,
.post-card:hover,
.project-card:hover,
.skill-card:hover {
    box-shadow: var(--depth-surface-hover) !important;
    transform: translateY(-4px);
    border-color: rgba(220, 38, 68, 0.18);
}

.card-header {
    background: transparent !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 1.25rem 1.5rem;
    font-family: var(--type-display);
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: transparent !important;
    border-top: 1px solid var(--border) !important;
    padding: 1.25rem 1.5rem;
}

/* ==========================================================================
   COMPONENT 3: FORM CONTROLS (فیلدهای ۱۶ پیکسلی فرورفته)
   ========================================================================== */
.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="url"],
input[type="file"],
textarea,
select {
    display: block;
    width: 100%;
    font-family: var(--type-body);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--foreground);
    background-color: var(--field) !important;
    background-clip: padding-box;
    border: var(--line-field) var(--line-style) var(--input) !important;
    border-radius: var(--shape-field) !important;
    box-shadow: var(--depth-field) !important;
    padding: 0.65rem 1.15rem;
    transition: border-color var(--motion) var(--motion-ease),
                box-shadow var(--motion) var(--motion-ease),
                background-color var(--motion) var(--motion-ease);
}

.form-control:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
    color: var(--foreground);
    background-color: var(--card) !important;
    border-color: var(--ring) !important;
    outline: 0;
    box-shadow: var(--depth-field), 0 0 0 3px oklch(0.6 0.2 18 / 20%) !important;
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--foreground);
}

/* ==========================================================================
   COMPONENT 4: BADGES & PILLS (کپسول‌های برچسب)
   ========================================================================== */
.badge,
.badge-tech {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--type-body);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1;
    padding: 0.35rem 0.85rem;
    border-radius: var(--shape-control) !important;
    border: 1px solid var(--border);
    background-color: var(--secondary);
    color: var(--secondary-foreground);
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
    transition: all var(--motion) var(--motion-ease);
}

.badge-tech {
    background-color: var(--accent);
    color: var(--primary);
    border-color: oklch(0.6 0.2 18 / 18%);
}

.badge-tech:hover {
    transform: translateY(-1px);
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.badge-primary,
.badge.bg-primary {
    background-color: var(--primary) !important;
    color: var(--primary-foreground) !important;
    box-shadow: var(--depth-control) !important;
    border: none;
}

.badge-success,
.badge.bg-success {
    background-color: var(--success) !important;
    color: var(--success-foreground) !important;
    border: none;
}

.badge-danger,
.badge.bg-danger {
    background-color: var(--destructive) !important;
    color: var(--destructive-foreground) !important;
    border: none;
}

/* ==========================================================================
   COMPONENT 5: ALERTS & NOTIFICATIONS
   ========================================================================== */
.alert {
    position: relative;
    padding: 1rem 1.4rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--shape-field) !important;
    box-shadow: var(--depth-surface) !important;
    font-size: 0.95rem;
    line-height: 1.6;
}

.alert-success {
    background-color: oklch(0.58 0.14 160 / 12%) !important;
    border-color: oklch(0.58 0.14 160 / 30%) !important;
    color: oklch(0.4 0.15 160) !important;
}

[data-theme="dark"] .alert-success {
    color: oklch(0.85 0.14 160) !important;
}

.alert-danger {
    background-color: oklch(0.55 0.2 28 / 12%) !important;
    border-color: oklch(0.55 0.2 28 / 30%) !important;
    color: oklch(0.45 0.2 28) !important;
}

[data-theme="dark"] .alert-danger {
    color: oklch(0.85 0.2 28) !important;
}

.alert-warning {
    background-color: oklch(0.68 0.15 65 / 12%) !important;
    border-color: oklch(0.68 0.15 65 / 30%) !important;
    color: oklch(0.45 0.15 65) !important;
}

[data-theme="dark"] .alert-warning {
    color: oklch(0.85 0.15 65) !important;
}

/* ==========================================================================
   COMPONENT 6: MODALS & OVERLAYS (مودال‌های ۲۴ پیکسلی)
   ========================================================================== */
.modal-content {
    background-color: var(--card) !important;
    color: var(--card-foreground) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--shape-overlay) !important;
    box-shadow: var(--depth-overlay) !important;
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--border) !important;
    padding: 1.25rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border) !important;
    padding: 1.25rem 1.5rem;
}

/* ==========================================================================
   COMPONENT 7: TABLES (جداول نرم و راست‌چین)
   ========================================================================== */
.table-responsive {
    border-radius: var(--shape-field);
    border: 1px solid var(--border);
    box-shadow: var(--depth-field);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
    color: var(--foreground);
    border-color: var(--border);
}

.table > thead {
    background-color: var(--secondary) !important;
    border-bottom: 2px solid var(--border);
}

.table > thead th {
    font-weight: 700;
    color: var(--foreground);
    padding: 0.85rem 1.15rem;
    font-size: 0.9rem;
    border: none;
}

.table > tbody td {
    padding: 0.85rem 1.15rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border);
}

.table-hover > tbody > tr:hover {
    background-color: oklch(0.6 0.2 18 / 6%) !important;
}

/* ==========================================================================
   THEME SWITCHER BUTTON (Crisp Pomegranate Clay Pill)
   ========================================================================== */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--shape-control) !important;
    border: 1px solid var(--border) !important;
    background-color: var(--card) !important;
    color: var(--foreground) !important;
    box-shadow: var(--depth-control) !important;
    cursor: pointer;
    transition: transform var(--motion) var(--motion-ease),
                box-shadow var(--motion) var(--motion-ease),
                background-color var(--motion) var(--motion-ease);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px) rotate(15deg);
    box-shadow: var(--depth-control-hover) !important;
    color: var(--primary) !important;
}

.theme-toggle-btn:active {
    transform: var(--press) !important;
    box-shadow: var(--depth-press) !important;
}

/* Toggle Sun/Moon display */
.theme-icon-sun {
    display: none;
}
.theme-icon-moon {
    display: block;
}

[data-theme="dark"] .theme-icon-sun {
    display: block;
}
[data-theme="dark"] .theme-icon-moon {
    display: none;
}