/* Основные стили */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 0.5rem;
    --radius-sm: 0.25rem;
    --radius-lg: 0.75rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.5;
}

/* Навигационная панель */
.navbar {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.nav-brand i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--gray-600);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--gray-900);
    background-color: var(--gray-100);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: var(--gray-100);
    font-weight: 500;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gray-600);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-name {
    font-weight: 500;
}

.btn-logout {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.btn-logout:hover {
    color: var(--danger-color);
    background-color: var(--gray-100);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-600);
    cursor: pointer;
    padding: 0.5rem;
}

/* Кнопки */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-400);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Основное содержимое */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: calc(100vh - 64px);
}

.page {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

/* Дашборд */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.dashboard-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dashboard-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-content {
    min-height: 150px;
}

.empty-state {
    color: var(--gray-500);
    text-align: center;
    padding: 2rem 1rem;
}

/* Календарь */
.calendar-container {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.day-header {
    text-align: center;
    font-weight: 600;
    color: var(--gray-600);
    padding: 0.5rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.calendar-day:hover {
    background-color: var(--gray-50);
    border-color: var(--primary-color);
}

.calendar-day.empty {
    background-color: var(--gray-100);
    border-color: var(--gray-200);
    cursor: default;
}

.calendar-day.today {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.calendar-day-number {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.calendar-event {
    font-size: 0.75rem;
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.events-list {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.events-list h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

/* Задачи */
.tasks-filters {
    background-color: white;
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--gray-700);
}

.filter-group select {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background-color: white;
    color: var(--gray-700);
}

.tasks-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tasks-column {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.tasks-column h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.badge {
    background-color: var(--gray-200);
    color: var(--gray-700);
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.tasks-list {
    min-height: 300px;
}

.task-item {
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    cursor: move;
    transition: all 0.2s;
}

.task-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.task-title {
    font-weight: 500;
    color: var(--gray-900);
}

.task-priority {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-weight: 500;
}

.priority-high {
    background-color: #fee2e2;
    color: #dc2626;
}

.priority-medium {
    background-color: #fef3c7;
    color: #d97706;
}

.priority-low {
    background-color: #d1fae5;
    color: #059669;
}

.task-due {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.5rem;
}

.task-due.overdue {
    color: var(--danger-color);
    font-weight: 500;
}

.task-assigned {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
}

/* Семья */
.family-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.family-info {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.family-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 1rem 0 0.5rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.family-members, .family-invite {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.members-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.member-card {
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}

.member-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--gray-200);
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--gray-600);
}

.member-name {
    font-weight: 500;
    color: var(--gray-900);
}

.member-role {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.invite-code {
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.invite-search {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.invite-search input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
}

.search-results {
    min-height: 100px;
}

/* Профиль */
.profile-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.profile-sidebar {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.profile-avatar {
    position: relative;
    margin-bottom: 1.5rem;
}

.btn-avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-sidebar h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.profile-role {
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: 0.25rem 0.75rem;
    background-color: var(--gray-100);
    border-radius: 9999px;
    display: inline-block;
    margin-top: 0.5rem;
}

.profile-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.profile-section {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.profile-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.danger-zone {
    border: 2px solid var(--danger-color);
}

/* Формы */
.form-group {
    margin-bottom: 1rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    color: var(--gray-800);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-check input {
    width: auto;
}

/* Аутентификация */
.auth-container {
    max-width: 400px;
    margin: 0 auto;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.auth-tabs {
    display: flex;
    background-color: var(--gray-100);
}

.auth-tab {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.auth-tab:hover {
    background-color: var(--gray-200);
}

.auth-tab.active {
    background-color: white;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-form {
    padding: 2rem;
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Модальные окна */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid var(--gray-200);
}

/* Уведомления */
.notifications {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.notification {
    background-color: white;
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

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

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

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

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

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

.notification-icon {
    font-size: 1.25rem;
}

.notification.success .notification-icon {
    color: var(--success-color);
}

.notification.error .notification-icon {
    color: var(--danger-color);
}

.notification.warning .notification-icon {
    color: var(--warning-color);
}

.notification.info .notification-icon {
    color: var(--primary-color);
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.notification-message {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.notification-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .profile-container {
        grid-template-columns: 1fr;
    }
    
    .tasks-container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 1rem;
    }
}

/* Темная тема */
[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --gray-50: #111827;
    --gray-100: #1f2937;
    --gray-200: #374151;
    --gray-300: #4b5563;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #f9fafb;
}

[data-theme="dark"] body {
    background-color: var(--gray-50);
    color: var(--gray-900);
}

[data-theme="dark"] .navbar {
    background-color: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

[data-theme="dark"] .dashboard-card,
[data-theme="dark"] .calendar-container,
[data-theme="dark"] .events-list,
[data-theme="dark"] .tasks-column,
[data-theme="dark"] .family-info,
[data-theme="dark"] .family-members,
[data-theme="dark"] .family-invite,
[data-theme="dark"] .profile-sidebar,
[data-theme="dark"] .profile-section,
[data-theme="dark"] .auth-container,
[data-theme="dark"] .modal-content {
    background-color: var(--gray-100);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .task-item {
    background-color: var(--gray-200);
    border-color: var(--gray-300);
}

[data-theme="dark"] .member-card {
    background-color: var(--gray-200);
    border-color: var(--gray-300);
}

[data-theme="dark"] .invite-code {
    background-color: var(--gray-200);
    border-color: var(--gray-300);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background-color: var(--gray-200);
    border-color: var(--gray-300);
    color: var(--gray-900);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: var(--primary-color);
    background-color: var(--gray-200);
}

[data-theme="dark"] .btn-outline {
    background-color: transparent;
    color: var(--gray-700);
    border-color: var(--gray-400);
}

[data-theme="dark"] .btn-outline:hover {
    background-color: var(--gray-300);
    border-color: var(--gray-500);
}

[data-theme="dark"] .calendar-day {
    background-color: var(--gray-200);
    border-color: var(--gray-300);
    color: var(--gray-900);
}

[data-theme="dark"] .calendar-day:hover {
    background-color: var(--gray-300);
    border-color: var(--primary-color);
}

[data-theme="dark"] .calendar-day.empty {
    background-color: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .calendar-day.today {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="dark"] .empty-state {
    color: var(--gray-500);
}

[data-theme="dark"] .notification {
    background-color: var(--gray-100);
    border-left-color: var(--primary-color);
}

[data-theme="dark"] .notification.success {
    border-left-color: var(--success-color);
}

[data-theme="dark"] .notification.error {
    border-left-color: var(--danger-color);
}

[data-theme="dark"] .notification.warning {
    border-left-color: var(--warning-color);
}

/* Переключатель темы */
.theme-toggle {
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background-color: var(--gray-100);
    color: var(--gray-900);
}

[data-theme="dark"] .theme-toggle {
    color: var(--gray-400);
}

[data-theme="dark"] .theme-toggle:hover {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

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

/* Плавный переход между темами */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}