/* auth.css - Refined Dark Auth Screen */
#auth-screen {
    background: var(--color-bg-primary);
    min-height: 100vh;
}

.auth-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 20px;
}

.auth-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 40%, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
}

.auth-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: 44px 36px;
    width: 100%;
    animation: slideUp var(--transition-normal);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(2px);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    margin-bottom: 36px;
}

.auth-title {
    font-family: 'Inter', sans-serif;
    font-size: 38px;
    font-weight: 800;
    color: var(--color-gray-100);
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .auth-title {
        font-size: 48px;
    }
}

.auth-highlight {
    background: linear-gradient(135deg, #c084fc 0%, #a855f7 50%, #9333ea 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s ease infinite;
    display: inline-block;
}

@keyframes shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.auth-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--color-gray-400);
}

/* Auth Form */
.auth-form .form-group {
    margin-bottom: 24px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-gray-300);
    font-weight: 500;
    font-size: 13px;
    text-align: left;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
    background: var(--color-bg-card);
    color: var(--color-gray-100);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--color-purple-200);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.input-wrapper input::placeholder {
    color: var(--color-gray-500);
}

.auth-btn {
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all var(--transition-fast);
    margin-top: 8px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(168, 85, 247, 0.3);
}

.btn-icon {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.auth-btn:hover .btn-icon {
    transform: translateX(5px);
}

.error-message {
    margin-top: 20px;
    padding: 12px;
    background: rgba(239, 68, 68, 0.08);
    border-left: 4px solid #ef4444;
    border-radius: var(--radius-sm);
    color: #f87171;
    font-size: 13px;
    text-align: center;
}

@media (max-width: 480px) {
    .auth-card {
        padding: 32px 24px;
    }
    .auth-title {
        font-size: 30px;
    }
}