/* ═══════════════════════════════════════════════════════════
   BD Camera - Security Monitoring System
   Design System: Dark Theme with Glassmorphism
   ═══════════════════════════════════════════════════════════ */

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

:root {
    /* Colors */
    --bg-primary: #06070d;
    --bg-secondary: #0d0f1a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(15, 18, 35, 0.85);
    --bg-input: rgba(255, 255, 255, 0.06);

    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --accent-light: #818cf8;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);

    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.4);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.4);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.4);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ═══════════════════════════════════════════════════════════
   LOGIN PAGE
   ═══════════════════════════════════════════════════════════ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
}

/* Animated background */
.login-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.bg-grid {
    position: absolute;
    inset: -60px;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}

.bg-glow-1 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: -100px;
    right: -100px;
    animation: float1 8s ease-in-out infinite;
}

.bg-glow-2 {
    width: 300px;
    height: 300px;
    background: #8b5cf6;
    bottom: -50px;
    left: -50px;
    animation: float2 10s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, 20px) scale(1.05); }
}

/* Login card */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(99, 102, 241, 0.05);
    animation: cardAppear 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-icon {
    width: 72px;
    height: 72px;
    background: var(--accent-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    box-shadow: 0 8px 32px var(--accent-glow);
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { box-shadow: 0 8px 32px var(--accent-glow); }
    50% { box-shadow: 0 8px 48px rgba(99, 102, 241, 0.5); }
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
}

/* Form elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255, 255, 255, 0.08);
}

.btn-login {
    width: 100%;
    padding: 14px 24px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: 28px;
    box-shadow: 0 4px 20px var(--accent-glow);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-error {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 0.85rem;
    text-align: center;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.login-footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ═══════════════════════════════════════════════════════════
   DASHBOARD PAGE
   ═══════════════════════════════════════════════════════════ */

.dashboard-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        var(--bg-primary);
}

/* --- Header --- */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-icon {
    width: 42px;
    height: 42px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
    flex-shrink: 0;
}

.header-left h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.header-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 400;
}

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

/* Status badge */
.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning);
    box-shadow: 0 0 8px var(--warning-glow);
    animation: statusPulse 2s ease infinite;
    flex-shrink: 0;
}

.status-badge.connected .status-dot {
    background: var(--success);
    box-shadow: 0 0 8px var(--success-glow);
}

.status-badge.disconnected .status-dot {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger-glow);
    animation: none;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.camera-count {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.camera-count svg {
    flex-shrink: 0;
}

.btn-logout {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
    transform: scale(1.05);
}

/* --- Camera Grid --- */
.dashboard-main {
    flex: 1;
    padding: 24px 28px;
}

.camera-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 20px;
}

/* Camera Card */
.camera-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    animation: cardFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: scale(0.94) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes cardFadeOut {
    to {
        opacity: 0;
        transform: scale(0.94) translateY(10px);
    }
}

.camera-card:hover {
    border-color: var(--accent);
    box-shadow:
        0 0 0 1px var(--accent),
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(99, 102, 241, 0.08);
    transform: translateY(-3px);
}

.camera-feed {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    background: var(--bg-secondary);
}

.camera-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 16px 14px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.camera-name {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.camera-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-rename,
.btn-power {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: 4px;
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-rename:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent);
    color: var(--accent-light);
}

.btn-power.power-stop:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: var(--danger);
}

.btn-power.power-start {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
    animation: pulseDanger 2s infinite;
}

@keyframes pulseDanger {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.btn-power.power-start:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--success);
    color: var(--success);
    animation: none;
}

.camera-resolution,
.camera-resolution-select {
    font-size: 0.68rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.1);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 500;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    outline: none;
    cursor: pointer;
}

.camera-resolution-select:hover,
.camera-resolution-select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.camera-resolution-select option {
    background: var(--surface-light);
    color: var(--text-primary);
}

.camera-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
}

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

.camera-status.streaming .dot {
    background: var(--success);
    box-shadow: 0 0 6px var(--success-glow);
    animation: statusPulse 2s ease infinite;
}

.camera-status.paused .dot {
    background: var(--warning);
    box-shadow: 0 0 6px var(--warning-glow);
}

/* LIVE / Paused indicator */
.rec-indicator {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    backdrop-filter: blur(8px);
    z-index: 2;
}

.rec-indicator.live {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.rec-indicator.paused-indicator {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.rec-indicator .rec-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: recBlink 1s ease infinite;
}

.rec-indicator.live .rec-dot {
    background: var(--danger);
}

.rec-indicator.paused-indicator .rec-dot {
    background: var(--warning);
    animation: none;
}

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

/* Time indicator */
.time-indicator {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-radius: 6px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    z-index: 2;
}

/* --- Empty State --- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    color: var(--text-muted);
    position: relative;
}

.empty-state svg {
    opacity: 0.15;
    margin-bottom: 24px;
}

.empty-state h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.pulse-ring {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: pulseRing 3s ease-out infinite;
    top: 80px;
    pointer-events: none;
}

@keyframes pulseRing {
    0% {
        transform: scale(0.5);
        opacity: 0.4;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* --- Fullscreen Overlay --- */
.fullscreen-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.96);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    animation: overlayIn 0.25s ease;
}

@keyframes overlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fullscreen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.fullscreen-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.fullscreen-name {
    font-size: 1.05rem;
    font-weight: 600;
}

.fullscreen-resolution {
    font-size: 0.78rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.08);
    padding: 4px 10px;
    border-radius: 6px;
}

.btn-close-fullscreen {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.btn-close-fullscreen:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.4);
}

.fullscreen-image {
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: 100%;
    object-fit: contain;
    background: black;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .camera-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .camera-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        padding: 12px 16px;
    }

    .dashboard-main {
        padding: 16px;
    }

    .header-right {
        gap: 8px;
    }

    .status-badge .status-text {
        display: none;
    }

    .login-card {
        padding: 36px 24px;
    }
}

/* ═══════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ═══════════════════════════════════════════════════════════
   UTILITY
   ═══════════════════════════════════════════════════════════ */

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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