/**
 * TENNIS.SYS // Command Center
 * Futuristic Cyberpunk Dashboard Theme
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Core Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;

    /* Neon Accent Colors */
    --cyan: #00f0ff;
    --cyan-dim: #00f0ff40;
    --cyan-glow: 0 0 20px #00f0ff60, 0 0 40px #00f0ff30;

    --magenta: #ff00aa;
    --magenta-dim: #ff00aa40;
    --magenta-glow: 0 0 20px #ff00aa60, 0 0 40px #ff00aa30;

    --yellow: #ffee00;
    --yellow-dim: #ffee0040;

    --green: #00ff88;
    --green-dim: #00ff8840;
    --green-glow: 0 0 20px #00ff8860, 0 0 40px #00ff8830;

    --red: #ff3366;
    --red-dim: #ff336640;
    --red-glow: 0 0 20px #ff336660, 0 0 40px #ff336630;

    /* User Colors */
    --xbai-color: #00f0ff;
    --yang-color: #ff00aa;
    --zekai-color: #00ff88;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;

    /* Glass Effect */
    --glass-bg: rgba(20, 20, 30, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.05);

    /* Spacing */
    --sidebar-width: 240px;
    --header-height: 70px;
    --gap: 20px;
    --radius: 12px;
    --radius-sm: 8px;

    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--cyan-dim);
    border-radius: 3px;
}

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

/* ==================== Background Effects ==================== */
.bg-effects {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        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: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent,
        var(--cyan-dim),
        var(--cyan),
        var(--cyan-dim),
        transparent
    );
    opacity: 0.5;
    animation: scanLine 4s linear infinite;
}

@keyframes scanLine {
    0% { top: -10%; }
    100% { top: 110%; }
}

.glow-orbs .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--cyan);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--magenta);
    bottom: -50px;
    right: 20%;
    animation-delay: -7s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--green);
    top: 40%;
    right: -50px;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 30px) scale(1.05); }
}

.particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--cyan);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

/* ==================== App Layout ==================== */
.app {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ==================== Sidebar ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.logo {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.logo-icon {
    position: relative;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cyan-dim), transparent);
    border-radius: var(--radius-sm);
    font-size: 20px;
    color: var(--cyan);
}

.logo-pulse {
    position: absolute;
    inset: -4px;
    border: 2px solid var(--cyan);
    border-radius: var(--radius);
    opacity: 0;
    animation: logoPulse 2s ease-out infinite;
}

@keyframes logoPulse {
    0% { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(1.2); opacity: 0; }
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.system-status {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
}

.status-indicator.online .status-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: var(--green-glow);
    animation: statusPulse 2s ease-in-out infinite;
}

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

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

.nav-menu {
    flex: 1;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--cyan-dim), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.nav-item:hover {
    color: var(--text-primary);
}

.nav-item:hover::before {
    opacity: 1;
}

.nav-item.active {
    color: var(--cyan);
    background: var(--cyan-dim);
}

.nav-item.active .nav-indicator {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--cyan);
    border-radius: 0 3px 3px 0;
    box-shadow: var(--cyan-glow);
}

.nav-icon {
    width: 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.nav-text {
    position: relative;
    z-index: 1;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sync-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--green);
    letter-spacing: 1px;
}

.sync-animation {
    position: relative;
    width: 16px;
    height: 16px;
}

.sync-ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--green);
    border-radius: 50%;
    animation: syncRing 1.5s ease-out infinite;
}

.sync-ring:nth-child(2) { animation-delay: 0.5s; }
.sync-ring:nth-child(3) { animation-delay: 1s; }

@keyframes syncRing {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.last-sync-time {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== Header ==================== */
.header {
    height: var(--header-height);
    padding: 0 var(--gap);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

#page-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.title-bracket {
    color: var(--cyan);
    font-weight: 400;
}

.title-text {
    background: linear-gradient(90deg, var(--text-primary), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

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

.meta-item i {
    color: var(--cyan);
}

.meta-divider {
    color: var(--text-muted);
    opacity: 0.5;
}

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

/* ==================== Cyber Buttons ==================== */
.btn-cyber {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--cyan);
    border-radius: var(--radius-sm);
    color: var(--cyan);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-cyber::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.btn-cyber:hover::before {
    transform: translateX(100%);
}

.btn-cyber:hover {
    background: var(--cyan-dim);
    box-shadow: var(--cyan-glow);
}

.btn-cyber.secondary {
    border-color: var(--text-muted);
    color: var(--text-secondary);
}

.btn-cyber.secondary:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-dim);
}

.btn-cyber.danger {
    border-color: var(--red);
    color: var(--red);
}

.btn-cyber.danger:hover {
    background: var(--red-dim);
    box-shadow: var(--red-glow);
}

.btn-cyber i {
    font-size: 14px;
}

/* ==================== Pages ==================== */
.page {
    display: none;
    padding: var(--gap);
    flex: 1;
    animation: fadeIn var(--transition-normal);
}

.page.active {
    display: block;
}

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

/* ==================== Stats Grid ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
    margin-bottom: var(--gap);
}

.stat-card {
    position: relative;
    padding: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--cyan);
}

.stat-card[data-type="upcoming"] { --accent: var(--cyan); }
.stat-card[data-type="success"] { --accent: var(--yellow); }
.stat-card[data-type="rate"] { --accent: var(--magenta); }
.stat-card[data-type="bots"] { --accent: var(--green); }

.stat-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle at top right, var(--accent), transparent 70%);
    opacity: 0.1;
}

.stat-glow {
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100px;
    background: var(--accent);
    filter: blur(60px);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card:hover .stat-glow {
    opacity: 0.3;
}

.stat-content {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    border-radius: var(--radius-sm);
    font-size: 20px;
    color: var(--accent);
}

.stat-data {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.value-unit {
    font-size: 18px;
    color: var(--text-muted);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ==================== Overview Grid ==================== */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--gap);
}

.upcoming-card { grid-column: 1; grid-row: 1 / 3; }
.users-card { grid-column: 2; grid-row: 1; }
.calendar-card { grid-column: 2; grid-row: 2; }
.activity-card { grid-column: 1 / 3; grid-row: 3; }

/* ==================== Glass Cards ==================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--glass-border);
    background: var(--glass-highlight);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.card-title i {
    color: var(--cyan);
}

.card-status.live {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--green);
    letter-spacing: 1px;
}

.card-status .pulse {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: statusPulse 1s ease-in-out infinite;
}

.card-body {
    padding: 20px;
}

/* ==================== Reservations ==================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 16px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 1px;
}

.loader {
    width: 40px;
    height: 40px;
    border: 2px solid var(--glass-border);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 40px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.reservation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--glass-highlight);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.reservation-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--user-color, var(--cyan));
}

.reservation-item:hover {
    border-color: var(--cyan);
    transform: translateX(4px);
}

.reservation-item:last-child {
    margin-bottom: 0;
}

.reservation-main {
    flex: 1;
}

.reservation-date {
    display: block;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.booked-at {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--green);
    margin-bottom: 6px;
    opacity: 0.9;
}

.reservation-details {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.reservation-user {
    display: flex;
    align-items: center;
    gap: 6px;
}

.user-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.user-dot.xbai { background: var(--xbai-color); box-shadow: 0 0 8px var(--xbai-color); }
.user-dot.yang { background: var(--yang-color); box-shadow: 0 0 8px var(--yang-color); }
.user-dot.zekai { background: var(--zekai-color); box-shadow: 0 0 8px var(--zekai-color); }

.btn-sm {
    padding: 6px 12px;
    font-size: 10px;
}

/* ==================== User Cards ==================== */
.user-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--glass-highlight);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    transition: all var(--transition-normal);
}

.user-card:last-child {
    margin-bottom: 0;
}

.user-card:hover {
    border-color: var(--user-color, var(--cyan));
}

.user-card.xbai { --user-color: var(--xbai-color); }
.user-card.yang { --user-color: var(--yang-color); }
.user-card.zekai { --user-color: var(--zekai-color); }

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

.user-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--user-color), transparent);
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-status {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.5px;
}

.user-status.running {
    color: var(--green);
}

.user-status.stopped {
    color: var(--red);
}

.user-status.paused {
    color: var(--yellow);
}

.user-controls {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-dim);
}

.btn-icon.active {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-dim);
}

/* ==================== Mini Calendar ==================== */
.mini-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.mini-cal-day {
    padding: 12px 8px;
    background: var(--glass-highlight);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    text-align: center;
    transition: all var(--transition-fast);
}

.mini-cal-day.today {
    border-color: var(--cyan);
    background: var(--cyan-dim);
}

.mini-cal-day:hover {
    border-color: var(--cyan);
}

.mini-cal-day .day-name {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.mini-cal-day .day-num {
    display: block;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
}

.mini-cal-day .day-dots {
    display: flex;
    justify-content: center;
    gap: 3px;
    margin-top: 6px;
    min-height: 6px;
}

.mini-cal-day .day-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* ==================== Activity Log ==================== */
.terminal-style {
    font-family: var(--font-mono);
    font-size: 12px;
    max-height: 200px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-time {
    color: var(--text-muted);
    white-space: nowrap;
}

.activity-content {
    flex: 1;
}

.activity-user {
    color: var(--cyan);
}

.activity-action {
    color: var(--text-secondary);
}

.activity-status.success {
    color: var(--green);
}

.activity-status.failed {
    color: var(--red);
}

.activity-status.pending {
    color: var(--yellow);
}

/* ==================== Mission Queue ==================== */
.mission-header {
    padding: 8px 0;
    margin-bottom: 8px;
}

.mission-header .next-window,
.mission-header .target-date {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    font-size: 11px;
}

.mission-header .next-window {
    color: var(--cyan);
}

.mission-header .target-date {
    color: var(--magenta);
}

.mission-header strong {
    color: var(--text-primary);
}

.mission-divider {
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    margin: 8px 0;
}

.activity-item .activity-user {
    min-width: 30px;
    font-weight: bold;
}

/* ==================== Full Calendar ==================== */
.calendar-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gap);
}

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

.week-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

#calendar-week-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
}

.full-calendar {
    display: grid;
    grid-template-columns: 60px repeat(7, 1fr);
    gap: 2px;
    background: var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.cal-header {
    padding: 12px;
    background: var(--bg-secondary);
    text-align: center;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.cal-header.today {
    background: var(--cyan-dim);
    color: var(--cyan);
}

.cal-hour {
    padding: 8px;
    background: var(--bg-secondary);
    text-align: right;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.cal-cell {
    padding: 8px;
    background: var(--bg-tertiary);
    min-height: 50px;
    transition: all var(--transition-fast);
}

.cal-cell:hover {
    background: var(--glass-bg);
}

.cal-cell.today {
    background: rgba(0, 240, 255, 0.05);
}

.cal-booking {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-family: var(--font-mono);
    margin-bottom: 2px;
}

.cal-booking.xbai {
    background: rgba(0, 240, 255, 0.2);
    color: var(--xbai-color);
    border-left: 2px solid var(--xbai-color);
}

.cal-booking.yang {
    background: rgba(255, 0, 170, 0.2);
    color: var(--yang-color);
    border-left: 2px solid var(--yang-color);
}

.cal-booking.zekai {
    background: rgba(0, 255, 136, 0.2);
    color: var(--zekai-color);
    border-left: 2px solid var(--zekai-color);
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: var(--gap);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-dot.xbai { background: var(--xbai-color); box-shadow: 0 0 8px var(--xbai-color); }
.legend-dot.yang { background: var(--yang-color); box-shadow: 0 0 8px var(--yang-color); }
.legend-dot.zekai { background: var(--zekai-color); box-shadow: 0 0 8px var(--zekai-color); }

/* ==================== History Page ==================== */
.history-controls {
    display: flex;
    gap: 24px;
    margin-bottom: var(--gap);
}

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

.filter-group label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.cyber-select {
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cyber-select:hover,
.cyber-select:focus {
    border-color: var(--cyan);
    outline: none;
}

.history-stats {
    display: flex;
    gap: var(--gap);
    margin-bottom: var(--gap);
}

.history-stat {
    flex: 1;
    padding: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    text-align: center;
}

.history-stat.success {
    border-color: var(--green-dim);
}

.history-stat.failed {
    border-color: var(--red-dim);
}

.history-stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.history-stat.success .history-stat-value { color: var(--green); }
.history-stat.failed .history-stat-value { color: var(--red); }

.history-stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ==================== Heatmap ==================== */
.heatmap {
    display: grid;
    grid-template-columns: 50px repeat(7, 1fr);
    gap: 4px;
}

.heatmap-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    text-align: right;
    padding-right: 8px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.heatmap-cell {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 10px;
    color: transparent;
    transition: all var(--transition-fast);
}

.heatmap-cell:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.heatmap-cell.level-1 { background: rgba(0, 255, 136, 0.2); }
.heatmap-cell.level-2 { background: rgba(0, 255, 136, 0.4); }
.heatmap-cell.level-3 { background: rgba(0, 255, 136, 0.6); }
.heatmap-cell.level-4 { background: rgba(0, 255, 136, 0.8); }

/* ==================== Cyber Table ==================== */
.table-wrapper {
    overflow-x: auto;
}

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

.cyber-table th {
    padding: 12px 16px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    border-bottom: 1px solid var(--glass-border);
    background: var(--glass-highlight);
}

.cyber-table td {
    padding: 12px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--glass-border);
}

.cyber-table tr:hover td {
    background: var(--glass-highlight);
}

.cyber-table .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.5px;
}

.cyber-table .status-badge.success {
    background: var(--green-dim);
    color: var(--green);
}

.cyber-table .status-badge.failed {
    background: var(--red-dim);
    color: var(--red);
}

/* Success row highlighting */
.cyber-table tr.success-row {
    background: rgba(0, 255, 136, 0.05);
}

.cyber-table tr.success-row:hover td {
    background: rgba(0, 255, 136, 0.1);
}

/* Timestamp cell for successful bookings */
.cyber-table .timestamp-cell {
    font-family: var(--font-mono);
    white-space: nowrap;
}

/* Timing badge showing seconds after hour */
.timing-badge {
    display: inline-block;
    background: var(--cyan-dim);
    color: var(--cyan);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 9px;
    font-weight: bold;
    margin-left: 4px;
}

/* Response time column */
.cyber-table .resp-cell {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Strategy column (Thread/Phase/Attempt) */
.cyber-table .strategy-cell {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--cyan);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* ==================== Terminal Page ==================== */
.terminal-card .card-body {
    padding: 0;
}

.terminal-controls {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27ca40; }

.terminal {
    padding: 20px;
    min-height: 400px;
    max-height: 500px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    background: var(--bg-primary);
}

.terminal-line {
    margin-bottom: 8px;
}

.terminal .prompt {
    color: var(--green);
    margin-right: 8px;
}

.terminal .command {
    color: var(--text-primary);
}

.terminal .output {
    color: var(--text-secondary);
    padding-left: 20px;
}

.terminal .success {
    color: var(--green);
}

.terminal .error {
    color: var(--red);
}

.terminal .info {
    color: var(--cyan);
}

.terminal-input-wrapper {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
}

.terminal-input-wrapper .prompt {
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 13px;
    margin-right: 8px;
    white-space: nowrap;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
}

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

/* ==================== Settings Page ==================== */
.settings-desc {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.settings-row label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.cyber-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    transition: all var(--transition-fast);
}

.cyber-input:hover,
.cyber-input:focus {
    border-color: var(--cyan);
    outline: none;
}

.settings-hint {
    font-size: 12px;
    color: var(--text-muted);
}

.settings-hint a {
    color: var(--cyan);
    text-decoration: none;
}

.settings-hint a:hover {
    text-decoration: underline;
}

.system-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.info-value {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--cyan);
}

/* ==================== Modals ==================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 450px;
    margin: 20px;
    animation: modalIn var(--transition-normal);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h3 i {
    color: var(--cyan);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-dim);
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==================== Responsive ==================== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .overview-grid {
        grid-template-columns: 1fr;
    }

    .upcoming-card,
    .users-card,
    .calendar-card,
    .activity-card {
        grid-column: 1;
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 70px;
    }

    .logo-text,
    .nav-text,
    .status-text,
    #sync-text {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .header-meta {
        display: none;
    }

    .history-controls {
        flex-direction: column;
    }

    .history-stats {
        flex-direction: column;
    }
}