:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --error: #ef4444;
    --success: #22c55e;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background Effects */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 10s infinite alternate ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: #3b82f6;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: #8b5cf6;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.registration-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: flex-start;
}

.right-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Glassmorphism Panels */
.glass {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 1rem;
}

/* Event Cards */
.event-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.2rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.event-card:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
}

.event-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.event-info .price {
    color: var(--accent);
    font-weight: 600;
}

.quantity-control {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 30px;
    padding: 0.3rem;
}

.btn-qty {
    background: none;
    border: none;
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s;
}

.btn-qty:hover {
    background: rgba(255, 255, 255, 0.1);
}

.qty-display {
    width: 40px;
    text-align: center;
    font-weight: 600;
}

/* Form Styles */
.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem 0;
}

.player-form-group {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    animation: fadeIn 0.4s ease-out;
}

.form-title {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input, select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s, background 0.3s;
}

input:focus, select:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
}

/* Summary Styles */
.summary-items {
    margin-bottom: 1.5rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    animation: fadeIn 0.3s ease-out;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.3rem;
    font-weight: 700;
    border-top: 1px solid var(--panel-border);
    padding-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.empty-summary {
    color: var(--text-secondary);
    font-style: italic;
}

.btn-primary {
    width: 100%;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.2s;
    font-family: inherit;
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #475569;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Responsive */
@media (max-width: 900px) {
    .registration-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 2.2rem;
    }
}