:root {
    --primary-blue: #007bff;
    --sky-blue: #00d4ff;
    --light-red: #ff4d4d;
    --dark-bg: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --white: #ffffff;
    --text-muted: #94a3b8;
    --gradient: linear-gradient(135deg, var(--primary-blue), var(--sky-blue));
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--dark-bg);
    color: var(--white);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.logo .blue { color: var(--primary-blue); }
.logo .sky { color: var(--sky-blue); }

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    color: #333;
    padding: 0.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 2rem;
    transition: transform 0.2s;
}

.google-btn img {
    width: 50px;
    margin-right: 12px;
}

.google-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,255,255,0.1);
}

/* Dashboard Styles */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.container {
    padding: 2rem 5%;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
    border-color: var(--sky-blue);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.btn {
    background: var(--gradient);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.btn-danger {
    background: var(--light-red);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background: var(--card-bg);
    border-radius: 10px;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Video Player */
.video-container {
    max-width: 1000px;
    margin: 0 auto;
}

video {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    background: #000;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

input, select, textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: white;
}
.access-center {
    min-height: 100vh;
    display: flex;
    align-items: center;      /* vertical center */
    justify-content: center;  /* horizontal center */
    text-align: center;
}

.access-center .card {
    max-width: 420px;
    width: 100%;
}