@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Roboto:wght@300;400;700&display=swap');

:root {
    --bg-dark: #050b18;
    --card-bg: rgba(255, 255, 255, 0.05);
    --neon-cyan: #00f3ff;
    --neon-pink: #ff00ff;
    --neon-green: #39ff14;
    --neon-yellow: #fff200;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --glass-border: rgba(255, 255, 255, 0.1);
    --sidebar-width: 260px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Roboto', sans-serif;
    overflow-x: hidden;
}

/* --- Login Screen --- */
#admin-login-screen {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #1a2a4a 0%, #050b18 100%);
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.login-card h1 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 20px;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.neon-input {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--neon-cyan);
    color: white;
    border-radius: 8px;
    margin-bottom: 20px;
    outline: none;
    transition: box-shadow 0.3s;
}

.neon-input:focus {
    box-shadow: 0 0 10px var(--neon-cyan);
}

.neon-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.neon-btn:hover {
    background: var(--neon-pink);
    color: white;
    box-shadow: 0 0 20px var(--neon-pink);
}

/* --- Admin Panel Layout --- */
#admin-panel {
    display: none; /* Shown after login */
    height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
}

.sidebar {
    background: rgba(0, 0, 0, 0.5);
    border-right: 1px solid var(--glass-border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
}

.admin-sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-bottom: 40px;
}

.admin-sidebar-logo .logo-img {
    height: 28px;
    width: auto;
    filter: drop-shadow(0 0 10px var(--neon-purple));
    vertical-align: middle;
}

.admin-sidebar-logo span {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--neon-cyan);
}

.nav-item {
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background 0.3s;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    border-left: 3px solid var(--neon-cyan);
}

.main-content {
    padding: 40px;
    overflow-y: auto;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

h3 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 25px;
    color: var(--neon-cyan);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.textarea-neon {
    width: 100%;
    min-height: 100px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 10px;
    border-radius: 8px;
}

/* --- Room List & Cards --- */
.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.room-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: 15px;
    transition: transform 0.3s;
}

.room-card:hover {
    transform: translateY(-5px);
}

.room-card h4 {
    color: var(--neon-cyan);
    margin-bottom: 10px;
}

.room-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Dashboard / Live View --- */
.dashboard-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

#maze-container {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--neon-cyan);
    height: 500px;
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background-image: 
        radial-gradient(rgba(0, 243, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
}

.student-dot {
    position: absolute;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--neon-cyan);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.7rem;
    font-weight: bold;
    color: black;
    box-shadow: 0 0 10px currentColor;
    transition: all 1s ease-in-out;
    cursor: pointer;
}

.ranking-list {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
}

.ranking-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.ranking-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.progress-bar-bg {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--neon-green);
    width: 0%;
    transition: width 0.5s;
}

/* --- Modal --- */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--neon-cyan);
    padding: 30px;
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
}

/* --- Animations --- */
@keyframes pulse {
    0% { box-shadow: 0 0 5px var(--neon-cyan); }
    50% { box-shadow: 0 0 20px var(--neon-cyan); }
    100% { box-shadow: 0 0 5px var(--neon-cyan); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ---- Language Switcher ---- */
.lang-switcher {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-left: 15px;
}

.lang-btn {
    background: transparent;
    color: var(--text-white);
    border: 1px solid var(--glass-border);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 5px var(--neon-cyan);
}

.lang-btn.active {
    background: rgba(0, 243, 255, 0.2);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}