/* ─────────────────────────────────────────────
   Proxy Pulse — Futuristic Dashboard Theme
   ───────────────────────────────────────────── */

:root {
    /* Core palette */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1425;
    --bg-card: rgba(15, 20, 40, 0.7);
    --bg-card-hover: rgba(20, 28, 55, 0.8);

    /* Accent colors */
    --accent-cyan: #00f0ff;
    --accent-purple: #7b61ff;
    --accent-green: #00e68a;
    --accent-red: #ff4757;
    --accent-orange: #ffa502;
    --accent-blue: #3b82f6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00f0ff 0%, #7b61ff 100%);
    --gradient-success: linear-gradient(135deg, #00e68a 0%, #00b4d8 100%);
    --gradient-danger: linear-gradient(135deg, #ff4757 0%, #ff6b81 100%);
    --gradient-score: linear-gradient(135deg, #ffa502 0%, #ff6348 100%);
    --gradient-latency: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);

    /* Text */
    --text-primary: #e8eaf6;
    --text-secondary: #8892b0;
    --text-dim: #4a5568;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(0, 240, 255, 0.2);

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-subtle);
    --shadow-glow-cyan: 0 0 30px rgba(0, 240, 255, 0.15);
    --shadow-glow-purple: 0 0 30px rgba(123, 97, 255, 0.15);

    /* Sizing */
    --header-height: 64px;
    --radius: 16px;
    --radius-sm: 10px;

    /* Animation */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset ─── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ─── Animated Background ─── */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
    animation: float 20s infinite ease-in-out;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.12), transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(123, 97, 255, 0.1), transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 230, 138, 0.08), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(40px, 20px) scale(1.02); }
}

/* ─── Header ─── */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    animation: pulse-glow 3s infinite ease-in-out;
}

@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(0, 240, 255, 0.3)); }
    50% { filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.6)); }
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0, 230, 138, 0.08);
    border: 1px solid rgba(0, 230, 138, 0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    color: var(--accent-green);
}

.header-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* ─── Main Content ─── */
.main {
    position: relative;
    z-index: 1;
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ─── Stats Cards ─── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity 0.3s;
}

.stat-card-total::before { background: var(--gradient-primary); }
.stat-card-alive::before { background: var(--gradient-success); }
.stat-card-dead::before { background: var(--gradient-danger); }
.stat-card-score::before { background: var(--gradient-score); }
.stat-card-latency::before { background: var(--gradient-latency); }

.stat-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card-inner {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.08);
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.stat-icon svg {
    width: 20px;
    height: 20px;
}

.stat-icon.alive { background: rgba(0, 230, 138, 0.08); color: var(--accent-green); }
.stat-icon.dead { background: rgba(255, 71, 87, 0.08); color: var(--accent-red); }
.stat-icon.score { background: rgba(255, 165, 2, 0.08); color: var(--accent-orange); }
.stat-icon.latency { background: rgba(59, 130, 246, 0.08); color: var(--accent-blue); }

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.stat-card-total .stat-value { color: var(--accent-cyan); }
.stat-card-alive .stat-value { color: var(--accent-green); }
.stat-card-dead .stat-value { color: var(--accent-red); }
.stat-card-score .stat-value { color: var(--accent-orange); }
.stat-card-latency .stat-value { color: var(--accent-blue); }

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-percentage {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(0, 230, 138, 0.1);
    padding: 2px 8px;
    border-radius: 6px;
}

.stat-bar {
    margin-top: 14px;
    height: 3px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
}

.stat-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-bar-fill.alive { background: var(--gradient-success); }
.stat-bar-fill.dead { background: var(--gradient-danger); }
.stat-bar-fill.score { background: var(--gradient-score); }
.stat-bar-fill.latency { background: var(--gradient-latency); }

/* ─── Chart Cards ─── */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.bottom-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 16px;
    align-items: start;
}

.bottom-row .score-dist-card {
    height: 320px;
}

.bottom-row .score-dist-card .chart-body {
    height: 220px;
}

.bottom-row .table-card {
    height: 320px;
    display: flex;
    flex-direction: column;
}

.bottom-row .table-card .table-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
}

.chart-card, .table-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.chart-card:hover, .table-card:hover {
    border-color: var(--border-accent);
}

.chart-header, .table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.chart-header h3, .table-header h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-badge {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(0, 240, 255, 0.08);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 240, 255, 0.15);
}

.chart-body {
    padding: 16px 20px 20px;
    position: relative;
    height: 260px;
}

/* ─── Table ─── */
.table-controls {
    display: flex;
    gap: 8px;
}

.btn-refresh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-refresh:hover {
    background: rgba(0, 240, 255, 0.08);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-refresh.spinning svg {
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.table-body {
    overflow-x: auto;
}

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

thead th {
    padding: 10px 16px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

tbody td {
    padding: 12px 16px;
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    white-space: nowrap;
}

tbody tr {
    transition: background 0.2s;
}

tbody tr:hover {
    background: rgba(0, 240, 255, 0.03);
}

.table-empty {
    text-align: center;
    color: var(--text-dim);
    padding: 40px 16px !important;
    font-style: italic;
}

/* Table accent styles */
.proxy-addr {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    color: var(--text-primary);
}

.protocol-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.protocol-http { background: rgba(59, 130, 246, 0.12); color: #60a5fa; }
.protocol-https { background: rgba(0, 230, 138, 0.12); color: #34d399; }
.protocol-socks5 { background: rgba(123, 97, 255, 0.12); color: #a78bfa; }
.protocol-socks4 { background: rgba(255, 165, 2, 0.12); color: #fbbf24; }

.country-flag {
    font-size: 0.9rem;
    margin-right: 4px;
}

.score-bar-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-bar-bg {
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.score-bar-value {
    height: 100%;
    border-radius: 3px;
    transition: width 0.8s;
}

.score-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    font-weight: 600;
    min-width: 28px;
}

.latency-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

.status-alive {
    background: rgba(0, 230, 138, 0.1);
    color: var(--accent-green);
}

.status-dead {
    background: rgba(255, 71, 87, 0.1);
    color: var(--accent-red);
}

.status-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ─── Footer ─── */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 20px 32px;
    font-size: 0.72rem;
    color: var(--text-dim);
    border-top: 1px solid var(--border-subtle);
}

.footer-divider {
    margin: 0 10px;
    opacity: 0.3;
}

/* ─── Responsive ─── */
@media (max-width: 1200px) {
    .stats-row {
        grid-template-columns: repeat(3, 1fr);
    }
    .charts-row {
        grid-template-columns: 1fr 1fr;
    }
    .bottom-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main {
        padding: 16px;
    }
    .header {
        padding: 0 16px;
    }
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .charts-row {
        grid-template-columns: 1fr;
    }
    .stat-value {
        font-size: 1.4rem;
    }
    .logo-subtitle {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-row {
        grid-template-columns: 1fr;
    }
    .header-time {
        display: none;
    }
}

/* ─── Animations ─── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card, .chart-card, .table-card {
    animation: fadeInUp 0.6s ease-out both;
}

.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }
.stat-card:nth-child(5) { animation-delay: 0.25s; }

.charts-row .chart-card:nth-child(1) { animation-delay: 0.3s; }
.charts-row .chart-card:nth-child(2) { animation-delay: 0.35s; }
.charts-row .chart-card:nth-child(3) { animation-delay: 0.4s; }

.bottom-row > *:nth-child(1) { animation-delay: 0.45s; }
.bottom-row > *:nth-child(2) { animation-delay: 0.5s; }

/* ─── API Toggle Card ─── */

.api-toggle-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.api-toggle-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-width: 52px;
    flex-shrink: 0;
}

.api-toggle-btns {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    flex: 1;
}

.api-toggle-btn {
    flex: 1;
    padding: 6px 12px;
    background: transparent;
    border: none;
    border-right: 1px solid var(--border-subtle);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.api-toggle-btn:last-child {
    border-right: none;
}

.api-toggle-btn:hover {
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.04);
}

.api-toggle-btn.active {
    background: rgba(0, 240, 255, 0.12);
    color: var(--accent-cyan);
    box-shadow: inset 0 0 12px rgba(0, 240, 255, 0.08);
}

.api-result-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(10, 14, 26, 0.6);
    border: 1px solid var(--border-accent);
    border-radius: 8px;
}

.api-link-url {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--accent-cyan);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    background: none;
    padding: 0;
}

.api-link-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.api-link-copy:hover {
    color: var(--accent-cyan);
    border-color: var(--border-accent);
    background: rgba(0, 240, 255, 0.06);
}

.api-link-copy.copied {
    color: var(--accent-green);
    border-color: rgba(0, 230, 138, 0.3);
}

/* ─── Language Switcher ─── */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
    background: rgba(15, 20, 40, 0.6);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.lang-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--border-accent);
    background: rgba(0, 240, 255, 0.05);
}

.lang-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 140px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 4px;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
}

.lang-dropdown.open {
    display: block;
}

.lang-option {
    display: block;
    width: 100%;
    padding: 8px 14px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    text-align: left;
    cursor: pointer;
    border-radius: 7px;
    transition: var(--transition);
}

.lang-option:hover {
    background: rgba(0, 240, 255, 0.08);
    color: var(--text-primary);
}

.lang-option.active {
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}