/**
 * Contacts Manager - Component Styles
 * Styles for buttons, forms, modals, lists, grids, and toasts
 * Version 4.0.0
 */

/* ========================================
   Button Styles
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--text-inverted);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}

/* Danger Button */
.btn-danger {
    background-color: var(--color-danger);
    color: var(--text-inverted);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

/* Danger Outline Button */
.btn-danger-outline {
    background-color: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.btn-danger-outline:hover:not(:disabled) {
    background-color: var(--color-danger-light);
}

/* Small Button */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

/* Icon Button */
.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.icon-btn:active {
    transform: scale(0.95);
}

.icon-btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

/* Theme Toggle */
.icon-btn .theme-icon-light {
    display: none;
    color: var(--color-warning);
}

.icon-btn .theme-icon-dark {
    color: var(--text-tertiary);
}

[data-theme="dark"] .icon-btn .theme-icon-dark {
    display: none;
}

[data-theme="dark"] .icon-btn .theme-icon-light {
    display: block;
}

/* ========================================
   Form Styles
   ======================================== */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--border-hover);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.form-group textarea {
    resize: vertical;
    min-height: 5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Checkbox */
.checkbox-group {
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    width: 1.125rem;
    height: 1.125rem;
    margin: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.checkbox-label .checkmark {
    display: none;
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: 1rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.radio-label input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    margin: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.radio-label .radio-mark {
    display: none;
}

.radio-text {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.radio-text i {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Checkbox in List */
.checkbox {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ========================================
   Modal Styles
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-normal);
}

[data-theme="dark"] .modal-overlay {
    background-color: rgba(0, 0, 0, 0.75);
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 40rem;
    max-height: calc(100vh - 4rem);
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: scaleIn var(--transition-normal);
}

.modal-container.modal-sm {
    max-width: 28rem;
}

.modal-container.modal-lg {
    max-width: 48rem;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-primary);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: 1.5rem 2rem;
    overflow-y: auto;
    flex: 1;
    max-height: 60vh;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

/* Confirm Dialog */
.confirm-dialog {
    text-align: center;
    padding: 2rem 1.5rem;
}

.confirm-icon {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    background-color: var(--color-warning-light);
    border-radius: var(--radius-full);
}

.confirm-icon i {
    font-size: 1.75rem;
    color: var(--color-warning);
}

.confirm-icon.danger {
    background-color: var(--color-danger-light);
}

.confirm-icon.danger i {
    color: var(--color-danger);
}

.confirm-dialog h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.confirm-dialog p {
    color: var(--text-secondary);
    margin: 0 0 1.5rem 0;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

/* Share Modal */
.share-contact-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.share-contact-avatar {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 600;
}

.share-contact-details {
    flex: 1;
}

.share-contact-name {
    font-weight: 600;
    color: var(--text-primary);
}

.share-contact-email {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.share-options h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.share-buttons {
    display: flex;
    gap: 0.75rem;
}

.share-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-option:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.share-option i {
    font-size: 1.25rem;
}

.share-option span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Message Modal */
.message-to {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.message-to strong {
    color: var(--text-primary);
}

/* Add to Group / Select Lists */
.group-select-list,
.contact-select-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 20rem;
    overflow-y: auto;
}

.group-select-item,
.contact-select-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--bg-secondary);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.group-select-item:hover,
.contact-select-item:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-primary);
}

.group-select-item.selected,
.contact-select-item.selected {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.group-select-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-purple-light);
    color: var(--color-purple);
    border-radius: var(--radius-md);
}

.group-select-info,
.contact-select-info {
    flex: 1;
}

.group-select-name,
.contact-select-name {
    font-weight: 500;
    color: var(--text-primary);
}

.group-select-count,
.contact-select-email {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.member-search {
    margin-bottom: 1rem;
}

.member-search input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    outline: none;
}

.member-search input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

/* ========================================
   List View Styles
   ======================================== */
.contacts-list-view {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.contacts-list-view.hidden {
    display: none;
}

.list-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    position: sticky;
    top: 0;
    z-index: 5;
}

.list-col {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.list-col.sortable {
    cursor: pointer;
    transition: color var(--transition-fast);
}

.list-col.sortable:hover {
    color: var(--color-primary);
}

.list-col.sortable.sorted {
    color: var(--color-primary);
}

.list-col.sortable i {
    font-size: 0.625rem;
    opacity: 0.5;
}

.list-col.sortable.sorted i {
    opacity: 1;
}

.col-select {
    width: 3rem;
    flex-shrink: 0;
}

.col-name {
    flex: 2;
    min-width: 10rem;
}

.col-email {
    flex: 2;
    min-width: 12rem;
}

.col-phone {
    flex: 1.5;
    min-width: 9rem;
}

.col-company {
    flex: 1.5;
    min-width: 8rem;
}

.col-favorite {
    width: 3rem;
    flex-shrink: 0;
    justify-content: center;
}

.col-actions {
    width: 6rem;
    flex-shrink: 0;
    justify-content: flex-end;
}

.list-body {
    flex: 1;
    overflow-y: auto;
}

/* List Row */
.list-row {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid var(--border-primary);
    background-color: var(--bg-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.list-row:hover {
    background-color: var(--bg-hover);
}

.list-row.selected {
    background-color: var(--bg-selected);
}

.list-row .col-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-avatar-sm {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.contact-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-row .col-email,
.list-row .col-phone,
.list-row .col-company {
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Favorite Star */
.favorite-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.favorite-btn:hover {
    color: var(--color-warning);
    transform: scale(1.1);
}

.favorite-btn.active {
    color: var(--color-warning);
}

.favorite-btn.active i {
    font-weight: 900;
}

/* Row Actions */
.row-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.list-row:hover .row-actions {
    opacity: 1;
}

.row-action-btn {
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.row-action-btn:hover {
    background-color: var(--bg-active);
    color: var(--color-primary);
}

.row-action-btn.danger:hover {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

/* ========================================
   Grid View Styles
   ======================================== */
.contacts-grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
    gap: 1rem;
    padding: 1.5rem;
    overflow-y: auto;
    height: 100%;
}

.contacts-grid-view.hidden {
    display: none;
}

/* Grid Card */
.contact-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.contact-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-card.selected {
    border-color: var(--color-primary);
    background-color: var(--bg-selected);
}

/* Card Favorite */
.card-favorite {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
}

/* Card Avatar */
.card-avatar {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
    border-radius: var(--radius-2xl);
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    box-shadow: var(--shadow-primary);
}

.card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-title {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.card-info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.card-info-item i {
    width: 1rem;
    color: var(--text-muted);
}

/* Card Actions */
.card-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-primary);
}

.card-action-btn {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.card-action-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.card-action-btn.email-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.card-action-btn.phone-btn:hover {
    border-color: var(--color-success);
    color: var(--color-success);
    background-color: var(--color-success-light);
}

.card-action-btn.message-btn:hover {
    border-color: var(--color-purple);
    color: var(--color-purple);
    background-color: var(--color-purple-light);
}

/* ========================================
   Toast Notification Styles
   ======================================== */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 18rem;
    max-width: 24rem;
    pointer-events: auto;
    animation: toastSlideIn var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-danger);
}

.toast-warning {
    border-left: 4px solid var(--color-warning);
}

.toast-info {
    border-left: 4px solid var(--color-primary);
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-danger); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info .toast-icon { color: var(--color-primary); }

.toast-message {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.toast-close {
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.removing {
    animation: toastSlideOut var(--transition-normal) ease-in forwards;
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 64rem) {
    .col-phone,
    .col-company {
        display: none;
    }

    .contacts-grid-view {
        grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
    }
}

@media (max-width: 48rem) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .col-email {
        display: none;
    }

    .list-row {
        padding: 0.75rem 1rem;
    }

    .list-header {
        padding: 0.625rem 1rem;
    }

    .contacts-grid-view {
        grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
        padding: 1rem;
        gap: 0.75rem;
    }

    .contact-card {
        padding: 1rem;
    }

    .card-avatar {
        width: 3.5rem;
        height: 3.5rem;
        font-size: 1.25rem;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        min-width: auto;
        max-width: none;
    }
}

/* ========================================
   Login Modal Styles
   ======================================== */
#login-modal {
    z-index: calc(var(--z-modal) + 100);
}

#login-modal .login-overlay {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(139, 92, 246, 0.9) 100%);
}

#login-modal .login-container {
    max-width: 24rem;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.login-modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: none;
}

.login-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.login-logo {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-modal-header h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin: 0;
}

#login-form.modal-body {
    padding: 1.5rem;
}

.login-message {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.login-message.error {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.login-message.success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.login-message.hidden {
    display: none;
}

.login-footer {
    border-top: none;
    padding: 0;
    margin-top: 0.5rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.login-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

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

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

.login-help {
    text-align: center;
}

.demo-credentials {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.demo-login-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.demo-login-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.demo-login-btn i {
    font-size: 0.875rem;
}

/* Login button loading state */
#login-submit-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

#login-submit-btn.loading i::before {
    content: "\f110";
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* User avatar when logged in */
.user-avatar.logged-in {
    cursor: pointer;
    position: relative;
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 12rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: all var(--transition-fast);
}

.user-avatar.logged-in:hover .user-menu,
.user-avatar.menu-open .user-menu,
.user-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    text-align: left;
}

.user-menu-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.user-menu-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.user-menu-item:hover {
    background-color: var(--bg-hover);
}

.user-menu-item.danger {
    color: var(--color-danger);
}

.user-menu-item.danger:hover {
    background-color: var(--color-danger-light);
}

.user-menu-separator {
    height: 1px;
    background-color: var(--border-primary);
    margin: 0.25rem 0;
}

.user-info {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-primary);
}

.user-info-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.user-info-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}

/* ========================================
   Logout Icon Button Styles
   ======================================== */
.logout-icon-btn {
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.logout-icon-btn:hover {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

/* ========================================
   User Profile Modal Styles
   ======================================== */
#user-profile-modal .modal-container {
    max-width: 26rem;
}

.user-profile-avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-primary);
}

.user-profile-avatar {
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
    border-radius: var(--radius-2xl);
    color: white;
    font-size: 1.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-primary);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.user-profile-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

/* Read-only input styling */
.input-readonly {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
}

/* Theme Preference Toggle */
.theme-preference-toggle {
    display: flex;
    gap: 0.75rem;
}

.theme-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-option:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.theme-option.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.theme-option i {
    font-size: 1.5rem;
}

.theme-option span {
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ========================================
   Object Sharing Navigation Link Styles
   ======================================== */
.os-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 50%, #ec4899 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.os-nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #fbbf24 0%, #f87171 50%, #f472b6 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.os-nav-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.os-nav-link:hover::before {
    opacity: 1;
}

.os-nav-link:active {
    transform: translateY(0);
}

.os-nav-link i {
    position: relative;
    z-index: 1;
    font-size: 1rem;
}

.os-nav-link span {
    position: relative;
    z-index: 1;
}

/* Object Sharing Notification Badge */
.os-nav-badge {
    position: absolute;
    top: -0.375rem;
    right: -0.375rem;
    min-width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.375rem;
    font-size: 0.6875rem;
    font-weight: 700;
    color: white;
    background-color: #dc2626;
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.os-nav-badge.hidden {
    display: none;
}

.os-nav-badge.pulse {
    animation: badgePulse 0.6s ease-out;
}

@keyframes badgePulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Dark mode adjustments */
[data-theme="dark"] .os-nav-link {
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .os-nav-link:hover {
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .os-nav-badge {
    border-color: var(--bg-elevated);
}

/* Responsive adjustments */
@media (max-width: 48rem) {
    .os-nav-link span {
        display: none;
    }

    .os-nav-link {
        padding: 0.625rem;
        border-radius: var(--radius-md);
    }

    .os-nav-link i {
        font-size: 1.125rem;
    }
}

/* ========================================
   Back to Contacts Link (for Object Sharing page)
   ======================================== */
.back-to-contacts-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.back-to-contacts-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.back-to-contacts-link i {
    font-size: 0.875rem;
}

/* Quick Share Button in Contact Profile */
.action-btn[data-action="quick-share"] {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    color: white;
}

.action-btn[data-action="quick-share"]:hover {
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* ========================================
   Quick Access Dropdown (Cross-Navigation)
   ======================================== */
.quick-access {
    position: relative;
}

.quick-access-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-access-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.quick-access-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 220px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.quick-access-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.quick-access-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

.quick-access-header h4 {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0;
}

.quick-access-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 0.875rem;
}

.quick-access-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.quick-access-item.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.quick-access-item i {
    width: 1.25rem;
    text-align: center;
    font-size: 0.9375rem;
}

.quick-access-item span {
    flex: 1;
}

.quick-access-item .item-badge {
    padding: 0.125rem 0.5rem;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.quick-access-item.active .item-badge {
    background-color: var(--color-primary);
    color: white;
}

.quick-access-divider {
    height: 1px;
    background-color: var(--border-primary);
    margin: 0.25rem 0;
}

/* Responsive adjustments for Quick Access */
@media (max-width: 48rem) {
    .quick-access-btn span {
        display: none;
    }

    .quick-access-btn {
        padding: 0.5rem;
    }
}