:root {
    --primary-color: #ff4d4d;
    --primary-dark: #e04444;
    --primary-light: #ff6666;
    --primary-bg: rgba(255, 77, 77, 0.1);
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --bg-light: #3a3a3a;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888;
    --text-disabled: #666;
    --text-success: #4CAF50;
    --text-error: #f44336;
    --text-warning: #FF9800;
    --text-info: #2196F3;
    --border-color: #444;
    --border-light: #555;
    --border-dark: #333;
    --rating-high: #ffac2d;
    --rating-medium: #ff9800;
    --rating-low: #ff5722;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.5);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-family-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, 'Courier New', monospace;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
    --z-index-toast: 1080;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

button {
    cursor: pointer;
    padding: var(--space-sm) var(--space-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-weight: 500;
    user-select: none;
    border: none;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

input,
select,
textarea {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-style: none;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

img[loading="lazy"].loaded {
    opacity: 1;
}

ul,
ol {
    list-style-position: inside;
    padding-left: var(--space-xl);
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0;
    }
}

.visible {
    display: block !important;
}

.inline {
    display: inline !important;
}

.inline-block {
    display: inline-block !important;
}

.inline-flex {
    display: inline-flex !important;
}

.grid {
    display: grid !important;
}

.float-left {
    float: left !important;
}

.float-right {
    float: right !important;
}

.float-none {
    float: none !important;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.text-left {
    text-align: left !important;
}

.text-center {
    text-align: center !important;
}

.text-right {
    text-align: right !important;
}

.text-justify {
    text-align: justify !important;
}

.text-uppercase {
    text-transform: uppercase !important;
}

.text-lowercase {
    text-transform: lowercase !important;
}

.text-capitalize {
    text-transform: capitalize !important;
}

.text-nowrap {
    white-space: nowrap !important;
}

.text-wrap {
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.font-weight-light {
    font-weight: 300 !important;
}

.font-weight-normal {
    font-weight: 400 !important;
}

.font-weight-medium {
    font-weight: 500 !important;
}

.font-weight-semibold {
    font-weight: 600 !important;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.font-weight-bolder {
    font-weight: 800 !important;
}

.fs-xs { font-size: 0.75rem !important; }
.fs-sm { font-size: 0.875rem !important; }
.fs-base { font-size: 1rem !important; }
.fs-lg { font-size: 1.125rem !important; }
.fs-xl { font-size: 1.25rem !important; }
.fs-2xl { font-size: 1.5rem !important; }
.fs-3xl { font-size: 1.875rem !important; }
.fs-4xl { font-size: 2.25rem !important; }

.lh-1 { line-height: 1 !important; }
.lh-tight { line-height: 1.25 !important; }
.lh-normal { line-height: 1.6 !important; }
.lh-loose { line-height: 2 !important; }

.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mr-0 { margin-right: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0 { margin-left: 0 !important; }
.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }

.m-1 { margin: var(--space-xs) !important; }
.mt-1 { margin-top: var(--space-xs) !important; }
.mr-1 { margin-right: var(--space-xs) !important; }
.mb-1 { margin-bottom: var(--space-xs) !important; }
.ml-1 { margin-left: var(--space-xs) !important; }
.mx-1 { margin-left: var(--space-xs) !important; margin-right: var(--space-xs) !important; }
.my-1 { margin-top: var(--space-xs) !important; margin-bottom: var(--space-xs) !important; }

.m-2 { margin: var(--space-sm) !important; }
.mt-2 { margin-top: var(--space-sm) !important; }
.mr-2 { margin-right: var(--space-sm) !important; }
.mb-2 { margin-bottom: var(--space-sm) !important; }
.ml-2 { margin-left: var(--space-sm) !important; }
.mx-2 { margin-left: var(--space-sm) !important; margin-right: var(--space-sm) !important; }
.my-2 { margin-top: var(--space-sm) !important; margin-bottom: var(--space-sm) !important; }

.p-0 { padding: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pr-0 { padding-right: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }
.pl-0 { padding-left: 0 !important; }
.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }

.p-1 { padding: var(--space-xs) !important; }
.pt-1 { padding-top: var(--space-xs) !important; }
.pr-1 { padding-right: var(--space-xs) !important; }
.pb-1 { padding-bottom: var(--space-xs) !important; }
.pl-1 { padding-left: var(--space-xs) !important; }
.px-1 { padding-left: var(--space-xs) !important; padding-right: var(--space-xs) !important; }
.py-1 { padding-top: var(--space-xs) !important; padding-bottom: var(--space-xs) !important; }

.border { border: 1px solid var(--border-color) !important; }
.border-top { border-top: 1px solid var(--border-color) !important; }
.border-right { border-right: 1px solid var(--border-color) !important; }
.border-bottom { border-bottom: 1px solid var(--border-color) !important; }
.border-left { border-left: 1px solid var(--border-color) !important; }
.border-0 { border: 0 !important; }
.border-top-0 { border-top: 0 !important; }
.border-right-0 { border-right: 0 !important; }
.border-bottom-0 { border-bottom: 0 !important; }
.border-left-0 { border-left: 0 !important; }

.rounded { border-radius: var(--radius-md) !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }
.rounded-top { border-top-left-radius: var(--radius-md) !important; border-top-right-radius: var(--radius-md) !important; }
.rounded-right { border-top-right-radius: var(--radius-md) !important; border-bottom-right-radius: var(--radius-md) !important; }
.rounded-bottom { border-bottom-left-radius: var(--radius-md) !important; border-bottom-right-radius: var(--radius-md) !important; }
.rounded-left { border-top-left-radius: var(--radius-md) !important; border-bottom-left-radius: var(--radius-md) !important; }

.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--text-success) !important; }
.text-error { color: var(--text-error) !important; }
.text-warning { color: var(--text-warning) !important; }
.text-info { color: var(--text-info) !important; }
.text-white { color: var(--text-primary) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-dark { background-color: var(--bg-dark) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-success { background-color: var(--text-success) !important; }
.bg-error { background-color: var(--text-error) !important; }
.bg-warning { background-color: var(--text-warning) !important; }
.bg-info { background-color: var(--text-info) !important; }

.opacity-0 { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-visible { overflow: visible !important; }
.overflow-scroll { overflow: scroll !important; }
.overflow-x-auto { overflow-x: auto !important; }
.overflow-x-hidden { overflow-x: hidden !important; }
.overflow-x-visible { overflow-x: visible !important; }
.overflow-x-scroll { overflow-x: scroll !important; }
.overflow-y-auto { overflow-y: auto !important; }
.overflow-y-hidden { overflow-y: hidden !important; }
.overflow-y-visible { overflow-y: visible !important; }
.overflow-y-scroll { overflow-y: scroll !important; }

.position-static { position: static !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }
.top-0 { top: 0 !important; }
.right-0 { right: 0 !important; }
.bottom-0 { bottom: 0 !important; }
.left-0 { left: 0 !important; }

.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-row-reverse { flex-direction: row-reverse !important; }
.flex-column-reverse { flex-direction: column-reverse !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-wrap-reverse { flex-wrap: wrap-reverse !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch { align-items: stretch !important; }
.align-content-start { align-content: flex-start !important; }
.align-content-end { align-content: flex-end !important; }
.align-content-center { align-content: center !important; }
.align-content-between { align-content: space-between !important; }
.align-content-around { align-content: space-around !important; }
.align-content-stretch { align-content: stretch !important; }
.align-self-auto { align-self: auto !important; }
.align-self-start { align-self: flex-start !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-center { align-self: center !important; }
.align-self-baseline { align-self: baseline !important; }
.align-self-stretch { align-self: stretch !important; }
.flex-1 { flex: 1 1 0% !important; }
.flex-auto { flex: 1 1 auto !important; }
.flex-grow-0 { flex-grow: 0 !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-shrink-1 { flex-shrink: 1 !important; }
.order-first { order: -1 !important; }
.order-last { order: 6 !important; }
.order-0 { order: 0 !important; }
.order-1 { order: 1 !important; }
.order-2 { order: 2 !important; }
.order-3 { order: 3 !important; }
.order-4 { order: 4 !important; }
.order-5 { order: 5 !important; }

.d-grid { display: grid !important; }
.d-inline-grid { display: inline-grid !important; }
.grid-template-columns-1 { grid-template-columns: repeat(1, 1fr) !important; }
.grid-template-columns-2 { grid-template-columns: repeat(2, 1fr) !important; }
.grid-template-columns-3 { grid-template-columns: repeat(3, 1fr) !important; }
.grid-template-columns-4 { grid-template-columns: repeat(4, 1fr) !important; }
.grid-template-columns-5 { grid-template-columns: repeat(5, 1fr) !important; }
.grid-template-columns-6 { grid-template-columns: repeat(6, 1fr) !important; }
.gap-0 { gap: 0 !important; }
.gap-1 { gap: var(--space-xs) !important; }
.gap-2 { gap: var(--space-sm) !important; }
.gap-3 { gap: var(--space-md) !important; }
.gap-4 { gap: var(--space-lg) !important; }
.gap-5 { gap: var(--space-xl) !important; }

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

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideOutDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-normal) forwards;
}

.animate-fade-out {
    animation: fadeOut var(--transition-normal) forwards;
}

.animate-slide-in-up {
    animation: slideInUp var(--transition-normal) forwards;
}

.animate-slide-out-down {
    animation: slideOutDown var(--transition-normal) forwards;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

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

.animate-bounce {
    animation: bounce 0.5s ease-in-out infinite;
}

.loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 1.5px;
}

.loading-spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loading-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

::-webkit-scrollbar-corner {
    background: var(--bg-dark);
}

::selection {
    background-color: var(--primary-color);
    color: white;
}

@media (max-width: 768px) {
    .sm-hidden {
        display: none !important;
    }
    .sm-block {
        display: block !important;
    }
    .sm-flex {
        display: flex !important;
    }
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}