/* assets/css/login.css */

body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    background: #2c3e50; /* Fallback */
    background: radial-gradient(circle at center, #34495e 0%, #2c3e50 100%);
    display: flex; justify-content: center; align-items: center; 
    min-height: 100vh; margin: 0; 
}

.container { width: 90%; max-width: 840px; text-align: center; }

h1 { 
    color: #f1c40f; 
    text-transform: uppercase; letter-spacing: 2px; 
    text-shadow: 0 4px 6px rgba(0,0,0,0.3); 
    font-size: 2.5rem; margin-bottom: 40px;
}

/* --- User Grid --- */
.user-grid {
    display: flex; justify-content: center; flex-wrap: wrap; gap: 25px;
    margin-top: 20px;
}

.user-card {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    width: 150px; padding: 25px 15px;
    cursor: pointer; 
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.user-card:hover { 
    transform: translateY(-10px) scale(1.05); 
    background: rgba(255, 255, 255, 0.2); 
    border-color: #f1c40f; 
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.avatar { font-size: 60px; margin-bottom: 15px; display: block; filter: drop-shadow(0 5px 5px rgba(0,0,0,0.2)); }
.username { color: white; font-weight: bold; font-size: 1.2em; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }

.role-badge {
    position: absolute; top: 10px; right: 10px;
    font-size: 1.2rem;
    filter: drop-shadow(0px 2px 2px rgba(0,0,0,0.5));
}

/* --- Pin Pad --- */
#pin-screen { 
    display: none; 
    background: white; 
    padding: 40px; 
    border-radius: 25px; 
    max-width: 360px; 
    margin: 0 auto; 
    box-shadow: 0 20px 50px rgba(0,0,0,0.5); 
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.selected-user-display h3 { margin: 0 0 5px 0; color: #2c3e50; font-size: 1.5rem; }

#pin-dots { 
    font-size: 50px; letter-spacing: 10px; color: #2c3e50; 
    background: #ecf0f1; border-radius: 15px; 
    margin: 20px 0; min-height: 70px; line-height: 70px; 
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}

.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }

.key {
    background: #e0f7fa; border: none; border-radius: 12px;
    font-size: 24px; padding: 20px 0; font-weight: bold; color: #0277bd;
    cursor: pointer; transition: all 0.1s;
    touch-action: manipulation;
    box-shadow: 0 4px 0 #b3e5fc;
}
.key:active { transform: translateY(4px); box-shadow: none; }

.key-back { background: #ffcdd2; color: #c62828; box-shadow: 0 4px 0 #ef9a9a; }
.key-enter { background: #2ecc71; color: white; grid-column: span 3; box-shadow: 0 4px 0 #27ae60; }

.join-btn {
    display: inline-block; margin-bottom: 20px;
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.3);
    padding: 10px 20px; border-radius: 30px;
    color: #f1c40f; text-decoration: none; font-weight: bold;
    transition: all 0.2s;
}
.join-btn:hover { background: rgba(255,255,255,0.2); transform: scale(1.05); }

.error-msg { 
    color: #fff; background: #e74c3c; 
    padding: 10px 20px; border-radius: 8px; 
    display: inline-block; margin-bottom: 20px; font-weight: bold; 
    animation: shake 0.4s;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}