/* ==============================================
   AUTO SPOT - Global Design System
   Thống nhất font, colors, spacing cho toàn app
   ============================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ==================
   DESIGN TOKENS
   ================== */
:root {
    /* Colors - Primary */
    --color-primary: #3fb950;
    --color-primary-hover: #2ea043;
    --color-primary-bg: rgba(63, 185, 80, 0.1);
    --color-primary-glow: rgba(63, 185, 80, 0.3);

    /* Colors - Backgrounds */
    --bg-body: #0b0e11;
    --bg-elevated: #0d1117;
    --bg-card: #161b22;
    --bg-input: #0d1117;
    --bg-overlay: rgba(0, 0, 0, 0.7);

    /* Colors - Text */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --text-link: #58a6ff;

    /* Colors - Borders */
    --border-default: #30363d;
    --border-hover: #484f58;
    --border-active: #3fb950;

    /* Colors - Semantic */
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-danger: #f85149;
    --color-info: #58a6ff;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 15px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ==================
   LIGHT THEME (Overrides)
   ================== */
:root[data-theme="light"] {
    /* Colors - Backgrounds */
    --bg-body: #f6f8fa;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.7);

    /* Colors - Text */
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8c959f;
    --text-link: #0969da;

    /* Colors - Borders */
    --border-default: #d0d7de;
    --border-hover: #8c959f;
    --border-active: #3fb950;

    /* Shadows - softer for light mode */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 15px rgba(63, 185, 80, 0.4);
}

/* ==================
   BASE RESET
   ================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-primary);
}

/* ==================
   CONTAINER
   ================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ==================
   BUTTONS
   ================== */
.g-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.4;
}

.g-btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.g-btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.g-btn-secondary {
    background: transparent;
    border-color: var(--border-default);
    color: var(--text-primary);
}

.g-btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.05);
}

.g-btn-danger {
    background: transparent;
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.g-btn-danger:hover {
    background: rgba(248, 81, 73, 0.1);
}

.g-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.g-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

/* ==================
   CARDS
   ================== */
.g-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: box-shadow var(--transition-base);
}

.g-card:hover {
    box-shadow: var(--shadow-sm);
}

/* ==================
   FORM CONTROLS
   ================== */
.g-input,
.g-select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

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

.g-input::placeholder {
    color: var(--text-muted);
}

.g-label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==================
   SKELETON LOADING
   ================== */
@keyframes skeleton-pulse {
    0% {
        opacity: 0.6;
    }

    50% {
        opacity: 0.3;
    }

    100% {
        opacity: 0.6;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--border-default) 25%, rgba(255, 255, 255, 0.05) 50%, var(--border-default) 75%);
    background-size: 200% 100%;
    animation: skeleton-slide 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
    color: transparent !important;
}

@keyframes skeleton-slide {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    border-radius: 4px;
}

.skeleton-value {
    height: 28px;
    width: 120px;
    border-radius: 4px;
}

/* ==================
   HAMBURGER MENU
   ================== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    z-index: 100;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==================
   BADGE / TAG
   ================== */
.g-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.g-badge-success {
    background: var(--color-primary-bg);
    color: var(--color-success);
}

.g-badge-warning {
    background: rgba(210, 153, 34, 0.15);
    color: var(--color-warning);
}

.g-badge-danger {
    background: rgba(248, 81, 73, 0.15);
    color: var(--color-danger);
}

.g-badge-info {
    background: rgba(88, 166, 255, 0.15);
    color: var(--color-info);
}

/* ==================
   UTILITIES
   ================== */
.text-success {
    color: var(--color-success) !important;
}

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

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

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

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

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

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mb-sm {
    margin-bottom: var(--space-sm);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.hidden {
    display: none !important;
}

/* ==================
   RESPONSIVE
   ================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-elevated);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-lg);
        z-index: 90;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links .g-btn-ghost,
    .nav-links .g-btn-danger,
    .nav-links a {
        font-size: 18px;
        padding: 12px 24px;
    }

    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .show-mobile-only {
        display: none !important;
    }
}