/* Auth Layout Styles */
.auth-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-main);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.auth-header .logo i {
    color: var(--info);
    font-size: 1.75rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Tabs Navigation */
.auth-tabs {
    display: flex;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 6px;
    gap: 6px;
    margin-bottom: 28px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.auth-tab.active {
    background-color: var(--info);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.auth-tab:hover:not(.active) {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

/* Tab Content Visibility */
.tab-content {
    display: none;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: tabFadeIn 0.3s ease-out;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateX(5px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.horizontal-between {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.auth-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.auth-input::placeholder {
    color: var(--text-tertiary);
}

.auth-input:focus {
    outline: none;
    border-color: var(--info);
    box-shadow: 0 0 0 3px var(--status-new-bg);
}

.auth-input.has-error {
    border-color: var(--danger) !important;
}

.auth-input.has-error:focus {
    box-shadow: 0 0 0 3px var(--danger-bg);
}

/* Password Wrapper */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .auth-input {
    padding-right: 40px;
}

.toggle-password-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.toggle-password-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.toggle-password-btn i {
    font-size: 1.25rem;
}

/* Error Messages */
.error-text {
    font-size: 0.8rem;
    color: var(--danger);
    display: none;
    margin-top: -4px;
}

.form-messages {
    display: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
}

.form-messages.error {
    display: block;
    background-color: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.form-messages.success {
    display: block;
    background-color: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-messages.warning {
    display: block;
    background-color: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Auth Button */
.auth-btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: #FFFFFF;
    background-color: var(--info);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    height: 48px;
    margin-top: 8px;
}

.auth-btn:hover {
    background-color: #2563EB;
}

html.dark-theme .auth-btn {
    background-color: var(--info);
    color: #FFFFFF;
}

html.dark-theme .auth-btn:hover {
    background-color: #60A5FA;
}

.auth-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.auth-btn .spinner {
    font-size: 1.25rem;
    animation: spin 1s linear infinite;
    display: none;
}

.auth-btn.loading .btn-text {
    display: none;
}

.auth-btn.loading .spinner {
    display: inline-block;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* Footer Section */
.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-link {
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.auth-link-secondary {
    color: var(--info);
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.auth-link:hover, .auth-link-secondary:hover {
    color: var(--info);
    text-decoration: underline;
}

html.dark-theme .auth-link-secondary:hover {
    color: #60A5FA;
}

/* Hide standard hidden class globally if needed */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 480px) {
}

/* OAuth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    margin: 4px 0;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}
.auth-divider:not(:empty)::before { margin-right: 12px; }
.auth-divider:not(:empty)::after { margin-left: 12px; }

/* Google Auth Button */
.btn-google-auth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: var(--bg-body, #202124);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px; /* matching auth button radius */
    padding: 0 16px;
    height: 48px; /* Match auth-btn height */
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}
.btn-google-auth:hover {
    background-color: var(--bg-hover, #303134);
    border-color: var(--text-primary);
}
.btn-google-auth .google-icon {
    width: 20px;
    height: 20px;
}

/* Disabled State for Google Button */
.btn-google-auth.disabled,
.btn-google-auth:disabled {
    background-color: var(--bg-hover) !important;
    color: var(--text-tertiary) !important;
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    border-color: var(--border-color) !important;
    pointer-events: none;
}