/* Authentication Screen Styles */

.auth-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.4s ease;
}

.auth-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.auth-card {
    background: var(--card-bg);
    backdrop-filter: var(--card-blur);
    -webkit-backdrop-filter: var(--card-blur);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: authFadeIn 0.5s ease;
}

@keyframes authFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-align: center;
}

.auth-screen .form-group {
    margin-bottom: 1rem;
}

.auth-screen .form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.auth-screen .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: var(--card-blur);
    -webkit-backdrop-filter: var(--card-blur);
}

.auth-screen .form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.auth-screen .form-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.auth-btn {
    width: 100%;
    padding: 0.85rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 0.5rem;
}

.auth-btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: white;
}

.auth-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px var(--accent-glow);
}

.auth-btn-secondary {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

.auth-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.auth-btn-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: 1rem;
    width: 100%;
    text-align: center;
    padding: 0.5rem;
    transition: color 0.2s;
}

.auth-btn-link:hover {
    color: var(--accent-color);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--card-border);
}

.auth-divider span {
    padding: 0 1rem;
}

/* User Badge */
.user-badge {
    position: fixed;
    top: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    backdrop-filter: var(--card-blur);
    -webkit-backdrop-filter: var(--card-blur);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 0.85rem;
    z-index: 100;
}

.user-badge i {
    color: var(--accent-color);
}

/* Register form (hidden by default) */
.auth-form.hidden {
    display: none;
}

/* Loading state */
.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.auth-btn.loading {
    position: relative;
    color: transparent;
}

.auth-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: authSpin 0.8s linear infinite;
}

@keyframes authSpin {
    to { transform: rotate(360deg); }
}

/* Remember Me Checkbox */
.remember-me {
    margin-bottom: 1.25rem !important;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

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

/* Mobile responsive */
@media (max-width: 480px) {
    .auth-card {
        margin: 1rem;
        padding: 1.5rem;
    }

    .auth-title {
        font-size: 1.5rem;
    }

    .user-badge {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }
}