/* ============================================================
   TrackMate Admin — "NEON CIRCUIT" Standalone Styles
   ============================================================ */

@property --border-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* ---- Design Tokens (theme-independent) ---- */
:root {
    --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
    --sp-5: 20px; --sp-6: 24px; --sp-7: 32px; --sp-8: 40px;
    --sp-9: 48px; --sp-10: 64px;

    --fs-xs: 11px; --fs-sm: 12px; --fs-base: 13px; --fs-md: 14px;
    --fs-lg: 15px; --fs-xl: 16px; --fs-2xl: 22px; --fs-3xl: 28px;

    --fw-normal: 400; --fw-medium: 500; --fw-semibold: 600;
    --fw-bold: 700; --fw-extrabold: 800; --fw-black: 900;

    --font: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Chakra Petch', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    --radius-xs: 4px; --radius-sm: 6px; --radius: 8px;
    --radius-md: 12px; --radius-lg: 12px; --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;

    --red: #00f0ff; --red-bright: #33f5ff; --red-dark: #00a8b3;
    --green: #39ff14; --cyan: #00f0ff; --magenta: #ff0080;
    --purple: #b44dff; --electric-blue: #4d7cff;
}

/* ---- Dark Theme — NEON CIRCUIT ---- */
[data-theme="dark"] {
    color-scheme: dark;
    --bg-base: #06060e; --bg-primary: #0b0b1a; --bg-secondary: #0e0e1f;
    --bg-card: #0e0e1f; --bg-card-end: #131328; --bg-hover: #1e1e3a;
    --bg-input: #06060e; --bg-elevated: #1a1a35;
    --text-primary: #eaf0ff; --text-secondary: #7a82a6; --text-dim: #3d4270;
    --text-on-accent: #06060e;
    --border: rgba(255,255,255,0.05); --border-hover: rgba(255,255,255,0.1);
    --border-accent: rgba(0, 240, 255, 0.3);
    --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.6);
    --shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255,255,255,0.03) inset;
    --glow-red: 0 0 24px rgba(0, 240, 255, 0.15);
    --glow-red-strong: 0 4px 20px rgba(0, 240, 255, 0.3);
    --green-alpha: rgba(57, 255, 20, 0.1); --red-alpha: rgba(0, 240, 255, 0.1);
    --green-alpha-border: rgba(57, 255, 20, 0.2); --red-alpha-border: rgba(0, 240, 255, 0.2);
    --card-gradient: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-card-end) 100%);
    --overlay-subtle: rgba(255, 255, 255, 0.02);
    --scrollbar-thumb: rgba(255,255,255,0.06); --scrollbar-thumb-hover: rgba(255,255,255,0.12);
    --red-glow: rgba(0, 240, 255, 0.25);
    --glass-bg: rgba(6, 6, 14, 0.85); --glass-border: rgba(255,255,255,0.06);
}

/* ---- Light Theme — NEON CIRCUIT Light ---- */
[data-theme="light"] {
    color-scheme: light;
    --bg-base: #f0f1f8; --bg-primary: #e8e9f2; --bg-secondary: #dfe0ec;
    --bg-card: #ffffff; --bg-card-end: #f6f6fc; --bg-hover: #e4e5f0;
    --bg-input: #dcdde8; --bg-elevated: #ffffff;
    --text-primary: #0e0e1f; --text-secondary: #4a4d6e; --text-dim: #8a8db0;
    --text-on-accent: #06060e;
    --border: rgba(0,0,0,0.07); --border-hover: rgba(0,0,0,0.13);
    --border-accent: rgba(0, 180, 200, 0.4);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.1);
    --glow-red: 0 0 16px rgba(0, 180, 200, 0.1);
    --glow-red-strong: 0 4px 12px rgba(0, 180, 200, 0.2);
    --green-alpha: rgba(30, 180, 10, 0.1); --red-alpha: rgba(0, 180, 200, 0.08);
    --green-alpha-border: rgba(30, 180, 10, 0.2); --red-alpha-border: rgba(0, 180, 200, 0.15);
    --card-gradient: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-card-end) 100%);
    --overlay-subtle: rgba(0, 0, 0, 0.02);
    --scrollbar-thumb: rgba(0,0,0,0.1); --scrollbar-thumb-hover: rgba(0,0,0,0.18);
    --red-glow: rgba(0, 180, 200, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.85); --glass-border: rgba(0, 0, 0, 0.06);
}

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

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

/* Animated grid background */
body::before {
    content: '';
    position: fixed; inset: 0;
    background:
        linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
    animation: grid-drift 30s linear infinite;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed; inset: 0;
    background:
        radial-gradient(ellipse 500px 400px at 15% 10%, rgba(0,240,255,0.06) 0%, transparent 70%),
        radial-gradient(ellipse 400px 500px at 85% 80%, rgba(255,0,128,0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

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

@keyframes accent-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

@keyframes neon-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

.hidden { display: none !important; }

/* ---- Accent Bar (Racing Stripe) ---- */
.racing-stripe {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--magenta), var(--cyan), var(--purple), var(--cyan), var(--magenta));
    background-size: 300% 100%;
    animation: accent-flow 6s linear infinite;
    z-index: 200;
    box-shadow: 0 0 20px rgba(0,240,255,0.3);
}

/* ---- Buttons & Inputs ---- */
.btn {
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.btn:hover { transform: scale(1.02); }
.btn:active { transform: scale(0.98); }

.btn:focus-visible,
.search-input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,240,255,0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--electric-blue) 100%);
    color: var(--text-on-accent);
    box-shadow: 0 2px 12px rgba(0,240,255,0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #33f5ff 0%, var(--cyan) 100%);
    box-shadow: 0 4px 20px rgba(0,240,255,0.3);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-small {
    padding: var(--sp-1) var(--sp-3);
    font-size: var(--fs-xs);
    background: var(--bg-input);
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-small:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.search-input {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--fs-lg);
    font-family: var(--font);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0,240,255,0.1), 0 0 20px rgba(0,240,255,0.06);
}

.search-input::placeholder { color: var(--text-dim); }

/* ============================================================
   HEADER BAR
   ============================================================ */
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-3) var(--sp-6);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 2px;
    z-index: 100;
}

.admin-header-left {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.admin-header-logo {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: var(--fw-bold);
    letter-spacing: 2px;
    text-transform: uppercase;
    line-height: 1;
}

.admin-header-logo .logo-team { color: var(--text-primary); }
.admin-header-logo .logo-sport { color: var(--cyan); text-shadow: 0 0 15px rgba(0,240,255,0.5); }

.admin-header-title {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-left: var(--sp-3);
    border-left: 1px solid var(--border);
}

.admin-header-right {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.admin-back-link {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.admin-back-link:hover { color: var(--text-primary); }

.admin-theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--sp-1);
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.admin-theme-toggle:hover { color: var(--text-primary); }

/* Theme icon visibility */
[data-theme="dark"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: none; }

/* ============================================================
   LOGIN PANEL
   ============================================================ */
.admin-login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
}

.admin-login-card {
    width: 100%;
    max-width: 380px;
    padding: var(--sp-9);
    background: var(--glass-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
}

.admin-login-card h2 {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
    margin-bottom: var(--sp-6);
    text-align: center;
}

.admin-login-card form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.admin-login-card .btn {
    margin-top: var(--sp-2);
}

.admin-login-error {
    padding: var(--sp-3) var(--sp-4);
    background: var(--red-alpha);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    color: var(--red);
    font-size: var(--fs-base);
    margin-top: var(--sp-3);
}

/* ============================================================
   DASHBOARD
   ============================================================ */
.admin-dashboard {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--sp-6);
}

.admin-dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-5);
}

.admin-dashboard-header h2 {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

/* Grid layout */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-5);
}

/* Cards */
.admin-card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.admin-card-title {
    font-family: var(--font-display);
    font-size: var(--fs-md);
    font-weight: var(--fw-bold);
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.admin-card-body {
    padding: var(--sp-4) var(--sp-5);
}

/* Stats grid inside card */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-3);
}

.admin-stat {
    display: flex;
    flex-direction: column;
    padding: var(--sp-3);
    background: var(--overlay-subtle);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.admin-stat-value {
    font-size: var(--fs-xl);
    font-weight: var(--fw-extrabold);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.admin-stat-label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--sp-1);
}

.admin-stat-footer {
    margin-top: var(--sp-3);
    padding-top: var(--sp-3);
    border-top: 1px solid var(--border);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Feed status */
.admin-feed-summary {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-3);
}

.admin-feed-uptime {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.admin-feed-counts {
    display: flex;
    gap: var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-bottom: var(--sp-3);
}

.admin-feed-badge {
    display: inline-block;
    padding: 2px var(--sp-2);
    border-radius: var(--radius-xs);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-badge-green {
    background: var(--green-alpha);
    color: var(--green);
    border: 1px solid var(--green-alpha-border);
}

.admin-badge-red {
    background: var(--red-alpha);
    color: var(--red);
    border: 1px solid var(--red-alpha-border);
}

.admin-feed-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
    max-height: 300px;
    overflow-y: auto;
}

.admin-feed-item {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-2);
    border-radius: var(--radius-xs);
    font-size: var(--fs-xs);
    background: var(--overlay-subtle);
}

.admin-feed-key {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-feed-race {
    color: var(--text-secondary);
    font-size: var(--fs-xs);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-feed-more {
    font-size: var(--fs-xs);
    color: var(--text-dim);
    text-align: center;
    padding: var(--sp-1);
}

.admin-text-red { color: var(--red); }

.admin-failed-list {
    margin-top: var(--sp-3);
    padding-top: var(--sp-3);
    border-top: 1px solid var(--border);
    font-size: var(--fs-xs);
}

.admin-failed-item {
    color: var(--red);
    padding: var(--sp-1) 0;
    font-family: var(--font-mono);
}

/* Recent logins list */
.admin-recent-logins {
    margin-top: var(--sp-3);
    padding-top: var(--sp-3);
    border-top: 1px solid var(--border);
}

.admin-recent-title {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: var(--sp-2);
}

.admin-login-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-1) var(--sp-2);
    border-radius: var(--radius-xs);
    font-size: var(--fs-sm);
}

.admin-login-item:nth-child(even) {
    background: var(--overlay-subtle);
}

.admin-login-name {
    font-weight: var(--fw-medium);
    color: var(--text-primary);
}

.admin-login-date {
    color: var(--text-dim);
    font-size: var(--fs-xs);
}

/* Utility states */
.admin-loading {
    color: var(--text-dim);
    font-size: var(--fs-sm);
    padding: var(--sp-4) 0;
    text-align: center;
}

.admin-error {
    color: var(--red);
    font-size: var(--fs-sm);
    padding: var(--sp-2) 0;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .admin-header {
        padding: var(--sp-3) var(--sp-4);
    }
    .admin-dashboard {
        padding: var(--sp-4);
    }
}