/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;700&display=swap');

/* --- CSS Variables --- */
:root {
    --dark-bg: #0d0c1d;
    --primary-glow: #00fddc;
    --secondary-glow: #f400a1;
    --text-color: #e0e0e0;
    --card-bg: rgba(25, 25, 45, 0.7);
    --border-color: rgba(0, 253, 220, 0.3);
    --border-hover: rgba(0, 253, 220, 0.8);
    --success-color: #00ff7f;
    --error-color: #ff4d4d;
}

/* --- General Body & Container --- */
body {
    font-family: 'Rajdhani', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: var(--text-color);
    min-height: 100vh;
    background-image: linear-gradient(rgba(13, 12, 29, 0.9), rgba(13, 12, 29, 1));
    background-size: cover;
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 0;
}

/* --- Header --- */
header {
    text-align: center;
    padding: 1rem 0 3rem 0;
}

header h1 {
    margin: 0;
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-glow);
    letter-spacing: 4px;
    animation: flicker 2s infinite alternate;
}

@keyframes flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% {
        text-shadow:
        0 0 5px #fff, 0 0 10px #fff, 0 0 15px #fff,
        0 0 20px var(--primary-glow), 0 0 30px var(--primary-glow),
        0 0 40px var(--primary-glow), 0 0 55px var(--primary-glow),
        0 0 75px var(--primary-glow);
    }
    20%, 24%, 55% { text-shadow: none; }
}

/* --- Grid & Cards --- */
.main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem 2rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 0 25px var(--border-hover);
}

.card h2 {
    color: var(--secondary-glow);
    text-shadow: 0 0 8px var(--secondary-glow);
    border-bottom: 1px solid var(--secondary-glow);
    padding-bottom: 0.5rem;
    margin-top: 0;
    font-size: 1.8rem;
    letter-spacing: 1px;
}

/* --- Info & QR Code --- */
.info-box {
    display: flex;
    justify-content: space-around;
    text-align: center;
    margin: 1.5rem 0;
}

.info-box div h3 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-glow);
    font-size: 1.2rem;
}

.info-box div p {
    margin: 0;
    font-size: 2rem;
    font-weight: bold;
}

.qr-code { text-align: center; }
.qr-code img {
    max-width: 180px;
    height: auto;
    border: 4px solid var(--primary-glow);
    border-radius: 8px;
    box-shadow: 0 0 15px var(--primary-glow);
}

/* --- Forms & Buttons --- */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-glow);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    background-color: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 5px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-sizing: border-box; /* Ensures padding doesn't affect width */
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-glow);
    box-shadow: 0 0 10px var(--primary-glow);
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 1rem 1.5rem;
    border: 1px solid var(--primary-glow);
    border-radius: 5px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: transparent;
    color: var(--primary-glow);
    transition: all 0.3s;
    text-shadow: 0 0 5px var(--primary-glow);
    box-shadow: 0 0 10px var(--primary-glow);
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

.btn:hover {
    background: var(--primary-glow);
    color: var(--dark-bg);
    box-shadow: 0 0 25px var(--primary-glow);
}

.btn.btn-secondary {
    border-color: var(--secondary-glow);
    color: var(--secondary-glow);
    text-shadow: 0 0 5px var(--secondary-glow);
    box-shadow: 0 0 10px var(--secondary-glow);
}

.btn.btn-secondary:hover {
    background: var(--secondary-glow);
    color: #fff;
    box-shadow: 0 0 25px var(--secondary-glow);
}

/* --- Messages & Tables --- */
.message, .error {
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    text-align: center;
    font-size: 1.1rem;
}

.message { background-color: rgba(0, 255, 127, 0.1); border: 1px solid var(--success-color); color: var(--success-color); }
.error { background-color: rgba(255, 77, 77, 0.1); border: 1px solid var(--error-color); color: var(--error-color); }

.table-container { overflow-x: auto; max-height: 400px; margin-top: 1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem; text-align: left; border-bottom: 1px solid var(--border-color); }
th { color: var(--secondary-glow); }

/* --- Footer --- */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}
footer a {
    color: var(--primary-glow);
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}

/* --- Admin Panel Specifics --- */
.admin-panel { border: 2px solid var(--secondary-glow); }
.admin-nav { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; }
.admin-nav a { color: var(--text-color); text-decoration: none; padding: 0.5rem 1rem; border-radius: 5px; transition: background-color 0.3s; }
.admin-nav a.active, .admin-nav a:hover { background-color: var(--secondary-glow); color: #fff; }

.admin-logout {
    float: right;
    margin-top: -5rem;
    margin-right: -1rem;
}

.login-container { max-width: 400px; margin: 5rem auto; }