:root {
    --bg-color: #0b0f19;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent: #00f2fe;
    --accent-secondary: #4facfe;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem;
    overflow-x: hidden;
}

.background-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, rgba(79, 172, 254, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 242, 254, 0.15), transparent 25%);
    z-index: -1;
    animation: pulse 10s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.glass-container {
    width: 100%;
    max-width: 1200px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}

.tab-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--accent);
    background: rgba(0, 242, 254, 0.1);
}

.view {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.view.active {
    display: block;
}

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

.glass-panel, .glass-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
}

.glass-card {
    padding: 1.5rem;
}

.grid-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.event-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 20px -5px rgba(0, 242, 254, 0.2);
}

.event-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.event-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

/* Forms */
.form-group, .form-row {
    margin-bottom: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row input {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

input, select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2);
}

button[type="submit"], .btn-primary {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent));
    color: #000;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: auto;
}

button[type="submit"]:hover, .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 1.5rem;
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* Event Dashboard */
.event-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.hidden {
    display: none !important;
}

.attendees-list {
    margin-bottom: 2rem;
    max-height: 300px;
    overflow-y: auto;
}

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

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

.attendee-info strong {
    display: block;
    color: var(--accent);
    font-size: 1.1rem;
}

.attendee-loc {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

/* Stadium Graphic */
.stadium-graphic {
    position: relative;
    width: 100%;
    height: 300px;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.field {
    width: 60%;
    height: 100px;
    background: rgba(79, 172, 254, 0.1);
    border: 2px solid var(--accent-secondary);
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--accent-secondary);
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.stands {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.block-marker {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
}

.block-marker:hover, .block-marker.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .event-dashboard {
        grid-template-columns: 1fr;
    }
}