@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;600;700&display=swap');

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

:root {
    --bg-deep: #050012;
    --bg-gradient: linear-gradient(135deg, #050012 0%, #0c0823 50%, #120035 100%);
    --surface: rgba(255, 255, 255, 0.05);
    --surface-strong: rgba(255, 255, 255, 0.12);
    --primary-neon: #ff7bff;
    --primary-neon-2: #7c3aed;
    --teal: #2dd4bf;
    --amber: #fcd34d;
    --danger: #ff6b6b;
    --success: #22d3ee;
    --text-strong: #f8f9ff;
    --text-muted: rgba(248, 249, 255, 0.65);
    --card-blur: blur(20px);
    --glow-strong: 0 20px 80px rgba(124, 58, 237, 0.45);
    --glow-soft: 0 12px 40px rgba(0, 0, 0, 0.45);
    --border-soft: 1px solid rgba(255, 255, 255, 0.08);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
    /* legacy aliases for compatibility */
    --primary-color: var(--primary-neon);
    --primary-dark: #5b2be0;
    --secondary-color: var(--primary-neon-2);
    --success-color: #22c55e;
    --error-color: #ef4444;
    --card-bg: rgba(7, 4, 22, 0.85);
    --text-primary: var(--text-strong);
    --text-secondary: var(--text-muted);
    --border-color: rgba(255, 255, 255, 0.12);
}

body {
    font-family: 'Poppins', 'SF Pro Display', 'Segoe UI', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-strong);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    z-index: -2;
}

body::before {
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.35), transparent 45%),
                radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.25), transparent 40%),
                radial-gradient(circle at 10% 80%, rgba(236, 72, 153, 0.3), transparent 50%);
    opacity: 0.9;
}

body::after {
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.3;
    filter: blur(0.5px);
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
}

.login-box {
    background: rgba(7, 6, 24, 0.75);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--glow-soft);
    backdrop-filter: var(--card-blur);
    position: relative;
    overflow: hidden;
}

.login-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(255, 123, 255, 0.18), transparent 60%);
    pointer-events: none;
}

.logo {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.logo h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 36px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-strong);
    text-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

.logo h1 span {
    color: var(--primary-neon);
}

.logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-neon), var(--teal));
    color: #050012;
    box-shadow: 0 15px 25px rgba(124, 58, 237, 0.35);
}

.form-container {
    display: none;
}

.form-container.active {
    display: block;
}

.form-group {
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--text-strong);
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.35);
}

.form-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 25px rgba(255, 123, 255, 0.25);
}

.btn {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #050012;
    background: linear-gradient(135deg, #ff7bff, #6ee7b7);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 18px 30px rgba(255, 123, 255, 0.25);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn:hover {
    transform: translateY(-2px) scale(1.01);
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: scale(0.99);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-strong);
    box-shadow: none;
}

.message {
    margin-top: 20px;
    padding: 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-align: center;
    display: none;
}

.message.show {
    display: block;
}

.message.success {
    background: rgba(34, 211, 238, 0.18);
    border: 1px solid rgba(34, 211, 238, 0.4);
    color: var(--success);
}

.message.error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.35);
    color: var(--danger);
}

.avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff7bff, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: #050012;
    box-shadow: 0 12px 25px rgba(255, 123, 255, 0.25);
}

.section {
    background: rgba(7, 9, 32, 0.65);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: var(--border-soft);
    box-shadow: var(--glow-soft);
    backdrop-filter: var(--card-blur);
}

.section-title {
    font-size: 18px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.minigames-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 18px;
}

.minigame-card {
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    border: var(--border-soft);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.minigame-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.12), transparent 60%);
    opacity: 0;
    transition: opacity 0.35s;
}

.minigame-card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: var(--glow-strong);
}

.minigame-card:hover::after {
    opacity: 1;
}

.minigame-icon {
    font-size: 42px;
    margin-bottom: 12px;
}

.minigame-name {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    body {
        padding: 16px;
    }
    
    .login-box {
        padding: 32px 24px;
    }
    
    .minigames-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}