@font-face {
    font-family: Montserrat;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/montserrat/v25/JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aXp-p7K4KLg.woff2") format("woff2");
    font-weight: 400;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: Montserrat;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/montserrat/v25/JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXp-p7K4KLg.woff2") format("woff2");
    font-weight: 700;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: Poppins;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/poppins/v20/pxiEyp8kv8JHgFVrJJfecnFHGPc.woff2") format("woff2");
    font-weight: 400;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: Poppins;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLEj6Z1xlFd2JQEk.woff2") format("woff2");
    font-weight: 600;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
:root {
    --primary: #6b73ff;
    --primary-dark: #000dff;
    --primary-light: rgba(107, 115, 255, 0.1);
    --text-primary: #2c3e50;
    --text-secondary: #6c7a89;
    --background: #f8fafc;
    --white: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e1e1e1;
    --nav-bg: #ffffff;
    --footer-bg: #ffffff;
    --success: #28a745;
    --success-light: rgba(40, 167, 69, 0.1);
    --danger: #dc3545;
    --danger-light: rgba(220, 53, 69, 0.1);
    --warning: #ffc107;
    --warning-light: rgba(255, 193, 7, 0.1);
    --info: #17a2b8;
    --info-light: rgba(23, 162, 184, 0.1);
    --container-max-width: 1200px;
    --container-padding: clamp(1rem, 3vw, 2rem);
    --nav-height: clamp(60px, 8vh, 80px);
    --border-radius-sm: clamp(4px, 0.5vw, 8px);
    --border-radius: clamp(8px, 1vw, 16px);
    --border-radius-lg: clamp(12px, 1.5vw, 24px);
    --spacing-xs: clamp(0.25rem, 0.5vw, 0.5rem);
    --spacing-sm: clamp(0.5rem, 0.75vw, 0.75rem);
    --spacing-unit: clamp(0.5rem, 1vw, 1rem);
    --spacing-md: clamp(1rem, 1.5vw, 1.5rem);
    --spacing-lg: clamp(1.5rem, 2vw, 2rem);
    --spacing-xl: clamp(2rem, 3vw, 3rem);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 6px 30px rgba(0, 0, 0, 0.15);
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-size-xs: clamp(12px, 0.8vw, 14px);
    --font-size-sm: clamp(13px, 0.9vw, 15px);
    --font-size-base: clamp(14px, 1vw, 16px);
    --font-size-md: clamp(16px, 1.1vw, 18px);
    --font-size-lg: clamp(18px, 1.3vw, 20px);
    --font-size-xl: clamp(20px, 1.5vw, 24px);
    --font-size-2xl: clamp(24px, 2vw, 32px);
    --font-size-3xl: clamp(30px, 2.5vw, 40px);
    --line-height-tight: 1.2;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.7;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-family-primary: "Poppins", system-ui, -apple-system, sans-serif;
    --font-family-secondary: "Montserrat", system-ui, -apple-system, sans-serif;
    --breakpoint-xs: 400px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
    --background-rgb: 248, 250, 252;
    --card-bg-rgb: 255, 255, 255;
    --border-color-rgb: 225, 225, 225;
    --primary-rgb: 107, 115, 255;
    --text-primary-rgb: 44, 62, 80;
}
[data-theme="dark"] {
    --primary: #8b92ff;
    --primary-dark: #4b51ff;
    --primary-light: rgba(107, 115, 255, 0.2);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --background: #121212;
    --white: #1e1e1e;
    --card-bg: #1e1e1e;
    --border-color: #2d2d2d;
    --nav-bg: #1e1e1e;
    --footer-bg: #1e1e1e;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 6px 30px rgba(0, 0, 0, 0.6);
    --background-rgb: 18, 18, 18;
    --card-bg-rgb: 30, 30, 30;
    --border-color-rgb: 45, 45, 45;
    --primary-rgb: 139, 146, 255;
    --text-primary-rgb: 255, 255, 255;
    --success-light: rgba(40, 167, 69, 0.2);
    --danger-light: rgba(220, 53, 69, 0.2);
    --warning-light: rgba(255, 193, 7, 0.2);
    --info-light: rgba(23, 162, 184, 0.2);
}
[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}
[data-theme="dark"] .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.1);
}
*,
::after,
::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}
html {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    height: 100%;
    color-scheme: light dark;
}
body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
    font-family: var(--font-family-primary);
    background-color: var(--background) !important;
    color: var(--text-primary) !important;
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}
.content {
    flex: 1;
    padding: var(--spacing-lg) 0;
    margin-top: var(--nav-height);
    width: 100%;
}
.container {
    max-width: var(--container-max-width);
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}
.row {
    --bs-gutter-x: var(--spacing-md);
    --bs-gutter-y: var(--spacing-md);
}
.custom-navbar {
    background-color: var(--nav-bg) !important;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    height: var(--nav-height);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    transition: var(--transition);
}
.navbar-scrolled {
    box-shadow: var(--shadow-md);
}
.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--primary) !important;
    transition: var(--transition);
}
.navbar-brand i {
    font-size: 1.75rem;
    color: var(--primary);
}
.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary) !important;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
    position: relative;
}
.nav-link:hover {
    background-color: var(--primary-light) !important;
    transform: translateY(-2px);
    color: var(--primary) !important;
}
.nav-link i {
    font-size: 1.1rem;
    color: var(--primary);
}
.nav-link.active {
    background-color: var(--primary-light) !important;
    color: var(--primary) !important;
    font-weight: var(--font-weight-semibold);
}
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary) !important;
    color: var(--white) !important;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    margin-left: var(--spacing-sm);
}
.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}
.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-light);
}
.theme-toggle i {
    font-size: 1.2rem;
}
.footer {
    background-color: var(--footer-bg) !important;
    padding: var(--spacing-lg) 0;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    z-index: 100000000;
}
.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-unit);
}
.footer p {
    margin: 0;
    color: var(--text-secondary) !important;
}
.footer a {
    color: var(--primary) !important;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}
.footer a:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark) !important;
}
.card {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.card.no-hover:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}
.card-primary {
    border-top: 4px solid var(--primary) !important;
}
.card-success {
    border-top: 4px solid var(--success) !important;
}
.card-danger {
    border-top: 4px solid var(--danger) !important;
}
.card-warning {
    border-top: 4px solid var(--warning) !important;
}
.card-info {
    border-top: 4px solid var(--info) !important;
}
.card-header {
    background-color: rgba(var(--card-bg-rgb), 0.6) !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding: var(--spacing-md) var(--spacing-lg);
}
.card-body {
    padding: var(--spacing-lg);
}
.card-footer {
    background-color: rgba(var(--card-bg-rgb), 0.6) !important;
    border-top: 1px solid var(--border-color) !important;
    padding: var(--spacing-md) var(--spacing-lg);
}
.btn {
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}
.btn i {
    font-size: 1.1em;
}
.btn-primary {
    background: var(--gradient);
    border: none;
    color: white;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    opacity: 0.95;
}
.btn-primary:focus {
    box-shadow: 0 0 0 3px var(--primary-light);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}
.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-md);
}
.btn-round {
    border-radius: 50px;
}
.form-control {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary) !important;
    transition: var(--transition);
}
.form-control:focus {
    box-shadow: 0 0 0 3px var(--primary-light);
    border-color: var(--primary) !important;
}
.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}
.form-label {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}
.form-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}
.form-control.is-invalid {
    border-color: var(--danger) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}
.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-light);
}
.invalid-feedback {
    color: var(--danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}
.form-group {
    margin-bottom: var(--spacing-md);
}
.table {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
    margin-bottom: var(--spacing-lg);
    width: 100%;
}
.table th,
.table td {
    border-color: var(--border-color) !important;
    padding: var(--spacing-md);
    vertical-align: middle;
}
.table th {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: var(--font-weight-semibold);
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(var(--background-rgb), 0.5) !important;
}
.table-hover > tbody > tr:hover > * {
    background-color: var(--primary-light) !important;
}
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.table-responsive::-webkit-scrollbar {
    height: 6px;
}
.table-responsive::-webkit-scrollbar-track {
    background: var(--background);
}
.table-responsive::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}
#toast-container {
    position: fixed;
    top: calc(var(--nav-height) + 1rem);
    right: 1rem;
    z-index: 1055;
    max-width: 90vw;
}
.toast {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    color: var(--text-primary) !important;
    margin-bottom: var(--spacing-sm);
}
.toast-header {
    background-color: rgba(var(--card-bg-rgb), 0.85);
    border-bottom: 1px solid var(--border-color);
}
.toast-body {
    padding: var(--spacing-md);
}
.toast-success {
    border-left: 4px solid var(--success) !important;
}
.toast-danger {
    border-left: 4px solid var(--danger) !important;
}
.toast-warning {
    border-left: 4px solid var(--warning) !important;
}
.toast-info {
    border-left: 4px solid var(--info) !important;
}
.alert {
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
}
.alert-primary {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}
.alert-success {
    background-color: var(--success-light);
    border-color: var(--success);
    color: var(--success);
}
.alert-danger {
    background-color: var(--danger-light);
    border-color: var(--danger);
    color: var(--danger);
}
.alert-warning {
    background-color: var(--warning-light);
    border-color: var(--warning);
    color: var(--warning);
}
.alert-info {
    background-color: var(--info-light);
    border-color: var(--info);
    color: var(--info);
}
.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: 50px;
}
.badge-primary {
    background-color: var(--primary);
    color: white;
}
.noscript-warning {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--danger);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
    z-index: 2000;
    font-weight: var(--font-weight-medium);
}
.noscript-warning a {
    color: white;
    text-decoration: underline;
    margin-left: var(--spacing-xs);
}
.browser-warning {
    background: var(--warning);
    color: var(--text-primary);
    padding: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
    box-shadow: var(--shadow-sm);
    margin-top: var(--nav-height);
}
.browser-warning strong {
    font-weight: var(--font-weight-semibold);
    margin-right: var(--spacing-xs);
}
.browser-links {
    margin-top: var(--spacing-xs);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}
.browser-links a {
    color: var(--text-primary);
    text-decoration: underline;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}
.browser-links a:hover {
    background: rgba(0, 0, 0, 0.1);
    text-decoration: none;
}
.noscript-warning + .custom-navbar {
    top: 50px !important;
}
.noscript-warning ~ .content {
    margin-top: calc(var(--nav-height) + 50px);
}
.browser-warning-active .content {
    margin-top: calc(var(--nav-height) + 80px);
}
.noscript-warning ~ .browser-warning-active .content {
    margin-top: calc(var(--nav-height) + 130px);
}
.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-in {
    animation: 0.3s forwards fadeIn;
}
.bg-gradient {
    background: var(--gradient);
}
.gap-1 {
    gap: 0.25rem;
}
.gap-2 {
    gap: 0.5rem;
}
.gap-3 {
    gap: 1rem;
}
.gap-4 {
    gap: 1.5rem;
}
.gap-5 {
    gap: 2rem;
}
.rounded-sm {
    border-radius: var(--border-radius-sm);
}
.rounded {
    border-radius: var(--border-radius);
}
.rounded-lg {
    border-radius: var(--border-radius-lg);
}
.shadow-sm {
    box-shadow: var(--shadow-sm);
}
.shadow {
    box-shadow: var(--shadow-md);
}
.shadow-lg {
    box-shadow: var(--shadow-lg);
}
.text-xs {
    font-size: var(--font-size-xs);
}
.text-sm {
    font-size: var(--font-size-sm);
}
.text-md {
    font-size: var(--font-size-md);
}
.text-lg {
    font-size: var(--font-size-lg);
}
.text-xl {
    font-size: var(--font-size-xl);
}
.text-2xl {
    font-size: var(--font-size-2xl);
}
.text-3xl {
    font-size: var(--font-size-3xl);
}
.font-light {
    font-weight: var(--font-weight-light);
}
.font-normal {
    font-weight: var(--font-weight-normal);
}
.font-medium {
    font-weight: var(--font-weight-medium);
}
.font-semibold {
    font-weight: var(--font-weight-semibold);
}
.font-bold {
    font-weight: var(--font-weight-bold);
}
.leading-tight {
    line-height: var(--line-height-tight);
}
.leading-normal {
    line-height: var(--line-height-base);
}
.leading-relaxed {
    line-height: var(--line-height-relaxed);
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--background);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}
.sticky-top {
    position: sticky;
    top: var(--nav-height);
    z-index: 1020;
}
.stretched-link::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    content: "";
}
@media (max-width: 1200px) {
    :root {
        --container-max-width: 960px;
    }
    h1,
    .h1 {
        font-size: calc(var(--font-size-3xl) - 0.2rem);
    }
    h2,
    .h2 {
        font-size: calc(var(--font-size-2xl) - 0.2rem);
    }
}
@media (max-width: 992px) {
    :root {
        --container-max-width: 720px;
    }
    h1,
    .h1 {
        font-size: calc(var(--font-size-3xl) - 0.4rem);
    }
    h2,
    .h2 {
        font-size: calc(var(--font-size-2xl) - 0.4rem);
    }
    .nav-item,
    .nav-link {
        width: 100%;
    }
    .navbar-collapse {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--nav-bg) !important;
        padding: 1rem;
        border-radius: 0 0 20px 20px;
        box-shadow: var(--shadow-md);
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    .navbar-collapse.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .navbar-nav {
        flex-direction: column;
        width: 100%;
        padding: 0.5rem;
    }
    .nav-link {
        justify-content: flex-start;
        padding: 1rem 1.5rem;
    }
    .nav-link:hover {
        transform: translateX(5px);
    }
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 768px) {
    :root {
        --container-max-width: 540px;
        --nav-height: 65px;
    }
    h1,
    .h1 {
        font-size: calc(var(--font-size-3xl) - 0.6rem);
    }
    h2,
    .h2 {
        font-size: calc(var(--font-size-2xl) - 0.6rem);
    }
    h3,
    .h3 {
        font-size: calc(var(--font-size-xl) - 0.2rem);
    }
    .card-body {
        padding: var(--spacing-md);
    }
}
@media (max-width: 576px) {
    :root {
        --nav-height: 60px;
        --container-padding: 1rem;
    }
    h1,
    .h1 {
        font-size: calc(var(--font-size-3xl) - 0.8rem);
    }
    h2,
    .h2 {
        font-size: calc(var(--font-size-2xl) - 0.8rem);
    }
    h3,
    .h3 {
        font-size: calc(var(--font-size-xl) - 0.4rem);
    }
    .navbar-brand {
        font-size: 1.25rem;
    }
    .navbar-brand i {
        font-size: 1.4rem;
    }
    .theme-toggle {
        width: 35px;
        height: 35px;
    }
    .theme-toggle i {
        font-size: 1rem;
    }
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
    }
    .browser-warning,
    .noscript-warning {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    .browser-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    #toast-container {
        max-width: 95vw;
        right: 0.5rem;
    }
}
@media (max-width: 400px) {
    :root {
        --nav-height: 55px;
    }
    .navbar-brand {
        font-size: 1.1rem;
    }
    .navbar-brand i {
        font-size: 1.2rem;
    }
    .card-body {
        padding: var(--spacing-sm);
    }
    .btn-sm {
        padding: 0.15rem 0.5rem;
        font-size: 0.75rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .img-fluid {
        transform: translateZ(0);
    }
}
@media (hover: none) {
    .btn:active,
    .card:active {
        transform: scale(0.98);
    }
    .navbar-brand:active,
    .nav-link:active,
    .theme-toggle:active,
    .footer a:active {
        opacity: 0.7;
    }
}
@media (hover: hover) {
    .btn:hover,
    .card:hover {
        box-shadow: var(--shadow-md);
    }
    .btn:hover {
        transform: translateY(-2px);
    }
    .card:hover {
        transform: translateY(-5px);
    }
}
@media print {
    #toast-container,
    .custom-navbar,
    .footer,
    .theme-toggle,
    .no-print {
        display: none !important;
    }
    .content {
        margin: 0 !important;
        padding: 0 !important;
    }
    body {
        background: #fff !important;
        color: #000 !important;
    }
    a {
        text-decoration: underline !important;
        color: #000 !important;
    }
    .card,
    .table {
        border: 1px solid #ddd !important;
    }
    .card {
        box-shadow: none !important;
    }
    .container {
        max-width: 100% !important;
        width: 100% !important;
    }
}