/* General Setup */
:root {
    --primary: #06b6d4;
    --secondary: #f43f5e;
    --bg-dark: #020617;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: white;
}

/* Glassmorphism Effect */
.glass {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Auth & Inputs */
.auth-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    border-radius: 1.25rem;
    outline: none;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}
.auth-input:focus { border-color: var(--primary); }

.btn-primary {
    flex: 1; background: var(--primary); padding: 1rem;
    border-radius: 1.25rem; font-weight: bold; transition: 0.2s;
}
.btn-primary:active { transform: scale(0.95); }

.btn-secondary {
    flex: 1; background: #1e293b; padding: 1rem;
    border-radius: 1.25rem; font-weight: bold;
}

/* Tabs Animation */
.tab-active { color: var(--primary); position: relative; }
.tab-active::after {
    content: ''; position: absolute; bottom: 0; left: 30%;
    width: 40%; height: 3px; background: var(--primary);
    border-radius: 10px; box-shadow: 0 0 10px var(--primary);
}

/* Game Styles */
.game-board-locked { opacity: 0.2; pointer-events: none; transition: 0.5s; }
.ttt-cell { transition: 0.2s; border: 1px solid rgba(255, 255, 255, 0.03); }
.ttt-cell:active { transform: scale(0.9); }

/* Animations */
.fade-in { animation: fadeIn 0.4s ease-out forwards; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Profile Card */
.profile-card {
    background: linear-gradient(135deg, #0891b2 0%, #1e40af 100%);
    position: relative; overflow: hidden;
}

.label-text {
    font-size: 10px; font-weight: bold; color: #64748b;
    text-transform: uppercase; display: block; margin-bottom: 0.75rem;
}

.delete-btn {
    width: 100%; padding: 1rem; border-radius: 1.25rem;
    color: var(--secondary); font-size: 12px; font-weight: bold;
    border: 1px solid rgba(244, 63, 94, 0.2); transition: 0.3s;
}
.delete-btn:hover { background: rgba(244, 63, 94, 0.1); }