/* ============================================
   AUTH MODAL — Login/Register Popup
   ============================================
   
   Модальное окно авторизации в стиле SmartMap.
   Полностью сохраняет функциональность auth.html.
   
   ============================================ */

/* ==========================================
   OVERLAY
   ========================================== */

.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-scrim);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-max);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-out),
                visibility var(--duration-normal) var(--ease-out);
}

.auth-modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* ==========================================
   MODAL CONTAINER
   ========================================== */

.auth-modal {
    background: var(--surface-2);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    opacity: 0;
    transition: transform var(--duration-slow) var(--ease-bounce),
                opacity var(--duration-normal) var(--ease-out);
}

.auth-modal-overlay.open .auth-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Custom scrollbar for modal */
.auth-modal::-webkit-scrollbar {
    width: 6px;
}

.auth-modal::-webkit-scrollbar-track {
    background: transparent;
}

.auth-modal::-webkit-scrollbar-thumb {
    background: var(--surface-3);
    border-radius: var(--radius-pill);
}

/* ==========================================
   MODAL HEADER
   ========================================== */

.auth-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.auth-modal-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.auth-modal-logo img {
    height: 32px;
    width: auto;
}

.auth-modal-logo-text {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.auth-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--surface-3);
    color: var(--text-secondary);
    font-size: 18px;
    transition: background var(--transition-fast),
                color var(--transition-fast);
    cursor: pointer;
}

.auth-modal-close:hover {
    background: var(--surface-elevated);
    color: var(--text-primary);
}

/* ==========================================
   MODAL CONTENT
   ========================================== */

.auth-modal-content {
    padding: var(--space-6);
}

.auth-modal-title {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
    text-align: center;
}

.auth-modal-subtitle {
    margin: 0 0 var(--space-6) 0;
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-secondary);
    text-align: center;
}

/* ==========================================
   FORM
   ========================================== */

.auth-modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Input row */
.auth-modal-input-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.auth-modal-input-row label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

.auth-modal-input-row input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--surface-3);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    transition: border-color var(--transition-fast),
                background var(--transition-fast),
                box-shadow var(--transition-fast);
}

.auth-modal-input-row input:focus {
    background: var(--surface-elevated);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-muted);
}

.auth-modal-input-row input::placeholder {
    color: var(--text-muted);
}

/* Autofill fix for dark theme */
.auth-modal-input-row input:-webkit-autofill,
.auth-modal-input-row input:-webkit-autofill:hover,
.auth-modal-input-row input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text-primary);
    -webkit-box-shadow: 0 0 0 1000px var(--surface-3) inset;
    transition: background-color 5000s ease-in-out 0s;
}

/* ==========================================
   FORGOT PASSWORD
   ========================================== */

.auth-modal-forgot {
    text-align: right;
    margin-top: calc(-1 * var(--space-2));
}

.auth-modal-forgot a {
    font-size: var(--text-sm);
    color: var(--accent);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: color var(--transition-fast);
}

.auth-modal-forgot a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ==========================================
   TERMS CHECKBOX
   ========================================== */

.auth-modal-terms {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--surface-3);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
}

.auth-modal-terms input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--accent);
}

.auth-modal-terms-label {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--text-secondary);
    cursor: pointer;
}

.auth-modal-terms-label a {
    color: var(--accent);
    text-decoration: none;
    font-weight: var(--font-medium);
}

.auth-modal-terms-label a:hover {
    text-decoration: underline;
}

/* ==========================================
   ERROR / INFO MESSAGE
   ========================================== */

.auth-modal-message {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    display: none;
}

.auth-modal-message.visible {
    display: block;
}

.auth-modal-message.error {
    background: var(--color-danger-muted);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.auth-modal-message.info {
    background: var(--color-info-muted);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

.auth-modal-message.success {
    background: var(--color-success-muted);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

/* Resend button inside message */
.auth-modal-message .resend-btn {
    margin-top: var(--space-3);
    padding: var(--space-2) var(--space-4);
    background: var(--surface-3);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.auth-modal-message .resend-btn:hover {
    background: var(--surface-elevated);
}

.auth-modal-message .resend-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================
   SUBMIT BUTTON
   ========================================== */

.auth-modal-submit {
    width: 100%;
    padding: var(--space-3) var(--space-6);
    background: var(--accent);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--accent-contrast);
    cursor: pointer;
    transition: background var(--transition-fast),
                box-shadow var(--transition-fast),
                transform var(--transition-fast);
    margin-top: var(--space-2);
}

.auth-modal-submit:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-accent);
}

.auth-modal-submit:active:not(:disabled) {
    transform: scale(0.98);
}

.auth-modal-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==========================================
   ALREADY LOGGED IN STATE
   ========================================== */

.auth-modal-logged-in {
    text-align: center;
    padding: var(--space-4) 0;
}

.auth-modal-logged-in p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.auth-modal-logged-in strong {
    color: var(--text-primary);
}

.auth-modal-logged-in .btn-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.auth-modal-logged-in .btn-primary {
    padding: var(--space-3) var(--space-6);
    background: var(--accent);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--accent-contrast);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.auth-modal-logged-in .btn-primary:hover {
    background: var(--accent-hover);
}

.auth-modal-logged-in .btn-secondary {
    padding: var(--space-3) var(--space-6);
    background: var(--surface-3);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast),
                color var(--transition-fast);
}

.auth-modal-logged-in .btn-secondary:hover {
    background: var(--surface-elevated);
    color: var(--text-primary);
}

/* ==========================================
   MOBILE RESPONSIVE
   ========================================== */

@media (max-width: 767px) {
    .auth-modal-overlay {
        padding: var(--space-3);
        align-items: flex-end;
    }
    
    .auth-modal {
        max-width: 100%;
        max-height: 85vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        transform: translateY(100%);
    }
    
    .auth-modal-overlay.open .auth-modal {
        transform: translateY(0);
    }
    
    .auth-modal-header {
        padding: var(--space-3) var(--space-4);
    }
    
    .auth-modal-content {
        padding: var(--space-4);
    }
    
    .auth-modal-title {
        font-size: var(--text-xl);
    }
    
    .auth-modal-subtitle {
        font-size: var(--text-sm);
        margin-bottom: var(--space-4);
    }
}

/* Very small screens */
@media (max-width: 320px) {
    .auth-modal-content {
        padding: var(--space-3);
    }
    
    .auth-modal-form {
        gap: var(--space-3);
    }
    
    .auth-modal-terms {
        padding: var(--space-2);
    }
}