/* SANGKI.COM Design System */
/* Material Design Dark Mode Principles Applied */
/* Grey Over Black, Text Opacity System, Desaturated Accents */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;700;800&display=swap');

/* ================================
   Light Mode (Default)
   ================================ */
:root {
    /* Brand Colors */
    --color-brand-black: #0F0F0F;
    --color-brand-yellow: #FFE500;
    --color-brand-yellow-hover: #E6CE00;

    /* Background System */
    --color-bg-body: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F5F5F5;
    --color-surface-hover: #EEEEEE;

    /* Text Opacity System (Material Design) */
    --color-text-main: rgba(0, 0, 0, 0.87);
    --color-text-muted: rgba(0, 0, 0, 0.60);
    --color-text-disabled: rgba(0, 0, 0, 0.38);

    /* Primary Colors */
    --color-primary: #1976D2;
    --color-primary-variant: #1565C0;
    --color-on-primary: #FFFFFF;

    /* Functional Colors */
    --color-success: #2E7D32;
    --color-warning: #F57C00;
    --color-danger: #D32F2F;
    --color-info: #1976D2;

    /* Border */
    --color-border: rgba(0, 0, 0, 0.12);
    --color-border-light: rgba(0, 0, 0, 0.08);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Layout */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows - Light Mode */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
    --shadow-hover: 0 14px 28px rgba(0, 0, 0, 0.18), 0 10px 10px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-theme: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ================================
   Dark Mode - Material Design Principles
   Grey Over Black, Elevation System
   ================================ */
[data-bs-theme="dark"] {
    /* Brand Colors (inverted for dark) */
    --color-brand-black: #FFFFFF;
    --color-brand-yellow: #FFE500;
    --color-brand-yellow-hover: #FFD000;

    /* Background Elevation System (Grey Over Black) */
    --color-bg-body: #121212;           /* elevation 0 - base */
    --color-surface: #1E1E1E;           /* elevation 1dp */
    --color-surface-alt: #2C2C2C;       /* elevation 6dp */
    --color-surface-hover: #333333;     /* elevation 12dp */
    --color-surface-high: #383838;      /* elevation 24dp */

    /* Text Opacity System (Material Design - 87/60/38) */
    --color-text-main: rgba(255, 255, 255, 0.87);
    --color-text-muted: rgba(255, 255, 255, 0.60);
    --color-text-disabled: rgba(255, 255, 255, 0.38);

    /* Primary Colors (Desaturated for dark mode) */
    --color-primary: #90CAF9;           /* Blue 200 */
    --color-primary-variant: #64B5F6;   /* Blue 300 */
    --color-on-primary: #121212;

    /* Functional Colors (Desaturated) */
    --color-success: #81C784;           /* Green 300 */
    --color-warning: #FFB74D;           /* Orange 300 */
    --color-danger: #E57373;            /* Red 300 */
    --color-info: #64B5F6;              /* Blue 300 */

    /* Border */
    --color-border: rgba(255, 255, 255, 0.12);
    --color-border-light: rgba(255, 255, 255, 0.08);

    /* Shadows - Dark Mode */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.7);
    --shadow-hover: 0 14px 28px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(144, 202, 249, 0.15);
}

/* ================================
   Base Styles
   ================================ */
body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg-body);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    padding-top: 72px;
    transition: var(--transition-theme);
}

@media (max-width: 991.98px) {
    body {
        padding-bottom: 80px;
    }
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--color-brand-black);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

/* ================================
   Navbar Styles
   ================================ */
.navbar, nav.fixed-top {
    background-color: var(--color-primary) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    box-shadow: var(--shadow-sm);
}

[data-bs-theme="dark"] .navbar,
[data-bs-theme="dark"] nav.fixed-top {
    background-color: #1E1E1E !important;
    border-bottom: 1px solid var(--color-border);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ffffff !important;
}

.navbar-brand i {
    color: var(--color-primary);
    padding: 0.25rem;
    background: #ffffff;
    border-radius: 6px;
    font-size: 1.25rem;
}

[data-bs-theme="dark"] .navbar-brand i {
    color: var(--color-primary);
    background: var(--color-surface-alt);
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

/* Top Navigation Bar Links - Light Mode (파란색 배경에 흰색 텍스트) */
nav.fixed-top .nav-link,
nav.fixed-top .nav-link.nav-link-inactive {
    color: rgba(255, 255, 255, 0.85) !important;
}

nav.fixed-top .nav-link i,
nav.fixed-top .nav-link.nav-link-inactive i {
    color: rgba(255, 255, 255, 0.85) !important;
}

nav.fixed-top .nav-link:hover,
nav.fixed-top .nav-link.nav-link-inactive:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.15);
}

nav.fixed-top .nav-link:hover i,
nav.fixed-top .nav-link.nav-link-inactive:hover i {
    color: #ffffff !important;
}

/* Inactive Nav Links - Light Mode (fallback) */
.nav-link-inactive {
    color: rgba(255, 255, 255, 0.85) !important;
}

.nav-link-inactive i {
    color: rgba(255, 255, 255, 0.85) !important;
}

.nav-link-inactive:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.15);
}

.nav-link-inactive:hover i {
    color: #ffffff !important;
}

/* Active Nav Links - Light Mode */
.nav-link-active {
    background-color: rgba(0, 0, 0, 0.3) !important;
    color: #ffffff !important;
    font-weight: 700;
}

.nav-link-active i {
    color: #ffffff !important;
}

/* Inactive Nav Links - Dark Mode */
html[data-bs-theme="dark"] nav.fixed-top .nav-link,
html[data-bs-theme="dark"] nav.fixed-top .nav-link.nav-link-inactive,
html[data-bs-theme="dark"] .nav-link-inactive {
    color: var(--color-text-muted) !important;
}

html[data-bs-theme="dark"] nav.fixed-top .nav-link i,
html[data-bs-theme="dark"] nav.fixed-top .nav-link.nav-link-inactive i,
html[data-bs-theme="dark"] .nav-link-inactive i {
    color: var(--color-text-muted) !important;
}

html[data-bs-theme="dark"] nav.fixed-top .nav-link:hover,
html[data-bs-theme="dark"] nav.fixed-top .nav-link.nav-link-inactive:hover,
html[data-bs-theme="dark"] .nav-link-inactive:hover {
    color: var(--color-text-main) !important;
    background-color: var(--color-surface-alt);
}

html[data-bs-theme="dark"] nav.fixed-top .nav-link:hover i,
html[data-bs-theme="dark"] nav.fixed-top .nav-link.nav-link-inactive:hover i,
html[data-bs-theme="dark"] .nav-link-inactive:hover i {
    color: var(--color-text-main) !important;
}

/* Active Nav Links - Dark Mode */
html[data-bs-theme="dark"] .nav-link-active {
    background-color: var(--color-primary) !important;
    color: var(--color-on-primary) !important;
}

html[data-bs-theme="dark"] .nav-link-active i {
    color: var(--color-on-primary) !important;
}

/* ================================
   Theme Toggle Button
   ================================ */
.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    color: white;
    font-size: 1.1rem;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(15deg);
}

[data-bs-theme="dark"] .theme-toggle {
    background: var(--color-surface-alt);
    color: var(--color-primary);
}

[data-bs-theme="dark"] .theme-toggle:hover {
    background: var(--color-surface-hover);
}

.theme-toggle .bi-sun-fill {
    display: none !important;
}

.theme-toggle .bi-moon-fill {
    display: inline-block !important;
}

html[data-bs-theme="dark"] .theme-toggle .bi-sun-fill {
    display: inline-block !important;
}

html[data-bs-theme="dark"] .theme-toggle .bi-moon-fill {
    display: none !important;
}

/* ================================
   Button Overrides
   ================================ */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-variant);
    border-color: var(--color-primary-variant);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

[data-bs-theme="dark"] .btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}

[data-bs-theme="dark"] .btn-primary:hover {
    background-color: var(--color-primary-variant);
    border-color: var(--color-primary-variant);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-main);
}

.btn-secondary:hover {
    border-color: var(--color-text-main);
    background-color: var(--color-surface-alt);
    transform: translateY(-1px);
}

[data-bs-theme="dark"] .btn-secondary {
    background-color: var(--color-surface-alt);
    border-color: var(--color-border);
    color: var(--color-text-main);
}

[data-bs-theme="dark"] .btn-secondary:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-border);
}

.btn-outline-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

[data-bs-theme="dark"] .btn-outline-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
    background-color: rgba(144, 202, 249, 0.15);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-secondary {
    border-color: var(--color-border);
    color: var(--color-text-muted);
    background: transparent;
}

.btn-outline-secondary:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
    border-color: var(--color-border);
}

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

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
}

/* ================================
   Card Overrides
   ================================ */
.card, .bento-card {
    border: 1px solid var(--color-border-light);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base), var(--transition-theme);
    overflow: hidden;
}

.card:hover, .bento-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border);
}

[data-bs-theme="dark"] .card,
[data-bs-theme="dark"] .bento-card {
    background-color: var(--color-surface) !important;
    border-color: var(--color-border) !important;
}

[data-bs-theme="dark"] .card:hover,
[data-bs-theme="dark"] .bento-card:hover {
    background-color: var(--color-surface-alt) !important;
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--color-border-light);
    padding: 1.25rem 1.5rem;
}

[data-bs-theme="dark"] .card-header {
    background-color: transparent !important;
}

.card-body {
    padding: 1.5rem;
}

/* ================================
   Form Controls
   ================================ */
.form-control, .form-select {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.625rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition-base), var(--transition-theme);
    background-color: var(--color-surface);
    color: var(--color-text-main);
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.2);
    background-color: var(--color-surface);
    color: var(--color-text-main);
}

.form-control::placeholder {
    color: var(--color-text-disabled);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--color-surface) !important;
    border-color: var(--color-border) !important;
    color: var(--color-text-main) !important;
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(144, 202, 249, 0.25) !important;
}

[data-bs-theme="dark"] .form-control::placeholder {
    color: var(--color-text-disabled) !important;
}

/* ================================
   Badges
   ================================ */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 600;
    letter-spacing: 0.025em;
    border-radius: 9999px;
}

[data-bs-theme="dark"] .badge.bg-light {
    background-color: var(--color-surface-alt) !important;
    color: var(--color-text-main) !important;
}

/* ================================
   Backgrounds & Utilities
   ================================ */
.bg-light {
    background-color: var(--color-bg-body) !important;
}

.bg-white {
    background-color: var(--color-surface) !important;
}

.text-dark {
    color: var(--color-text-main) !important;
}

.text-muted {
    color: var(--color-text-muted) !important;
}

.text-secondary {
    color: var(--color-text-muted) !important;
}

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

.border-top {
    border-top-color: var(--color-border) !important;
}

/* ================================
   Dark Mode Explicit Overrides
   ================================ */
html[data-bs-theme="dark"] body,
html[data-bs-theme="dark"] body.bg-light {
    background-color: #121212 !important;
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .bg-light {
    background-color: #121212 !important;
}

html[data-bs-theme="dark"] .bg-white {
    background-color: #1E1E1E !important;
}

html[data-bs-theme="dark"] .text-dark {
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .text-muted,
html[data-bs-theme="dark"] .text-secondary {
    color: rgba(255, 255, 255, 0.60) !important;
}

html[data-bs-theme="dark"] h1,
html[data-bs-theme="dark"] h2,
html[data-bs-theme="dark"] h3,
html[data-bs-theme="dark"] h4,
html[data-bs-theme="dark"] h5,
html[data-bs-theme="dark"] h6 {
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .border,
html[data-bs-theme="dark"] .border-top,
html[data-bs-theme="dark"] .border-bottom {
    border-color: rgba(255, 255, 255, 0.12) !important;
}

/* ================================
   Footer
   ================================ */
footer, .site-footer {
    background-color: var(--color-surface) !important;
    border-top-color: var(--color-border) !important;
    transition: var(--transition-theme);
}

html[data-bs-theme="dark"] footer,
html[data-bs-theme="dark"] .site-footer {
    background-color: #1E1E1E !important;
    border-top-color: rgba(255, 255, 255, 0.12) !important;
}

footer a:hover i {
    color: var(--color-primary) !important;
}

/* ================================
   Bottom Tab Bar
   ================================ */
.bottom-tab-bar {
    background-color: var(--color-surface);
    border-top-color: var(--color-border) !important;
    transition: var(--transition-theme);
}

.nav-tab-link {
    color: var(--color-text-muted);
    transition: var(--transition-base);
}

.nav-tab-link:hover {
    color: var(--color-text-main);
}

html[data-bs-theme="dark"] .bottom-tab-bar {
    background-color: #1E1E1E !important;
    border-top-color: rgba(255, 255, 255, 0.12) !important;
}

html[data-bs-theme="dark"] .nav-tab-link {
    color: rgba(255, 255, 255, 0.60) !important;
}

html[data-bs-theme="dark"] .nav-tab-link:hover {
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .text-primary {
    color: var(--color-primary) !important;
}

/* ================================
   Offcanvas
   ================================ */
.offcanvas {
    background-color: var(--color-surface);
    color: var(--color-text-main);
}

.offcanvas-header {
    border-bottom: 1px solid var(--color-border);
}

.offcanvas-header-surface {
    background-color: var(--color-surface-alt);
}

.offcanvas-profile-section {
    background-color: var(--color-surface);
}

.offcanvas-avatar {
    background-color: var(--color-surface-alt);
    color: var(--color-text-muted);
}

.offcanvas-stat-card {
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
}

.offcanvas-service-card {
    background-color: var(--color-surface-alt) !important;
}

.offcanvas-service-card .fw-bold {
    color: var(--color-text-main);
}

html[data-bs-theme="dark"] .offcanvas {
    background-color: #1E1E1E !important;
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .offcanvas-header-surface {
    background-color: #2C2C2C !important;
}

html[data-bs-theme="dark"] .offcanvas-profile-section {
    background-color: #1E1E1E !important;
}

html[data-bs-theme="dark"] .offcanvas-avatar {
    background-color: #2C2C2C !important;
    color: rgba(255, 255, 255, 0.60) !important;
}

html[data-bs-theme="dark"] .offcanvas-stat-card {
    background-color: #2C2C2C !important;
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .offcanvas-service-card {
    background-color: #2C2C2C !important;
}

html[data-bs-theme="dark"] .offcanvas-service-card .fw-bold {
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ================================
   List Group
   ================================ */
.list-group-item {
    background-color: var(--color-surface);
    border-color: var(--color-border-light);
    color: var(--color-text-main);
}

.list-group-item-action:hover {
    background-color: var(--color-surface-alt);
}

html[data-bs-theme="dark"] .list-group-item {
    background-color: #1E1E1E !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .list-group-item-action:hover {
    background-color: #2C2C2C !important;
}

/* ================================
   Dropdown Menu
   ================================ */
.dropdown-menu {
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    background-color: var(--color-surface);
}

.dropdown-item {
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
}

html[data-bs-theme="dark"] .dropdown-menu {
    background-color: #2C2C2C !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
}

html[data-bs-theme="dark"] .dropdown-item {
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .dropdown-item:hover {
    background-color: #333333 !important;
}

/* ================================
   Modal
   ================================ */
.modal-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
}

.modal-header {
    border-bottom-color: var(--color-border);
}

.modal-footer {
    border-top-color: var(--color-border);
}

html[data-bs-theme="dark"] .modal-content {
    background-color: #383838 !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    color: rgba(255, 255, 255, 0.87) !important;
}

/* ================================
   Table
   ================================ */
.table {
    color: var(--color-text-main);
}

.table > :not(caption) > * > * {
    background-color: transparent;
    border-bottom-color: var(--color-border-light);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--color-surface-alt);
}

html[data-bs-theme="dark"] .table {
    color: rgba(255, 255, 255, 0.87) !important;
}

html[data-bs-theme="dark"] .table > :not(caption) > * > * {
    border-bottom-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-bs-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: #2C2C2C !important;
}

/* ================================
   Alert
   ================================ */
[data-bs-theme="dark"] .alert {
    border-radius: var(--radius-md);
    background-color: #2C2C2C !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    color: rgba(255, 255, 255, 0.87) !important;
}

/* ================================
   Breadcrumb
   ================================ */
html[data-bs-theme="dark"] .breadcrumb {
    background-color: transparent !important;
}

html[data-bs-theme="dark"] .breadcrumb-item a {
    color: var(--color-primary) !important;
}

html[data-bs-theme="dark"] .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.60) !important;
}

/* ================================
   Pagination
   ================================ */
.page-link {
    color: var(--color-text-main);
    border: none;
    margin: 0 2px;
    border-radius: var(--radius-md) !important;
    background-color: transparent;
}

.page-link:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
}

html[data-bs-theme="dark"] .page-link {
    color: rgba(255, 255, 255, 0.87);
}

html[data-bs-theme="dark"] .page-link:hover {
    background-color: #2C2C2C;
}

html[data-bs-theme="dark"] .page-item.active .page-link {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

/* ================================
   Animations
   ================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

/* ================================
   Utilities
   ================================ */
.hover-scale {
    transition: transform 0.2s;
}
.hover-scale:hover {
    transform: scale(1.02);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-variant) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ================================
   Bootstrap Overrides
   ================================ */
.bg-primary-subtle {
    background-color: rgba(25, 118, 210, 0.12) !important;
    color: var(--color-text-main) !important;
}

[data-bs-theme="dark"] .bg-primary-subtle {
    background-color: rgba(144, 202, 249, 0.12) !important;
}

.text-primary {
    color: var(--color-primary) !important;
}

/* ================================
   Hover & Transition Utilities
   ================================ */
.hover-shadow {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-shadow:hover {
    transform: translateY(-4px);
    box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important;
}

.transition-all {
    transition: all 0.3s ease;
}

.transition-opacity {
    transition: opacity 0.3s ease;
}

.hover-bg-body:hover {
    background-color: var(--color-surface-alt) !important;
}

.hover-bg-light:hover {
    background-color: var(--color-surface-alt) !important;
}

.hover-text-dark:hover {
    color: var(--color-text-main) !important;
}

.hover-opacity-100:hover {
    opacity: 1 !important;
}

.border-dashed {
    border-style: dashed !important;
}

.transition-base {
    transition: all 0.2s ease;
}

/* Animation: fade-in */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out both;
}

/* Animation: ping (pulsing dot effect) */
@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

.animate-ping {
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Backdrop blur */
.backdrop-blur-md {
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}