/* ========================================
   Modern Planner App - Redesigned UI
   Inspired by Apple Calendar & Productivity Apps
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    /* Colors - Light Mode */
    --color-bg: #F5F7FA;
    --color-sidebar-bg: #FFFFFF;
    --color-content-bg: #FFFFFF;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    
    /* Text Colors */
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-text-tertiary: #9CA3AF;
    
    /* Primary */
    --color-primary: #3B82F6;
    --color-primary-hover: #2563EB;
    --color-primary-light: #DBEAFE;
    
    /* Category Colors */
    --color-work: #3B82F6;
    --color-personal: #8B5CF6;
    --color-health: #10B981;
    --color-social: #F59E0B;
    --color-finance: #EF4444;
    --color-education: #06B6D4;
    
    /* Semantic Colors */
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Sidebar */
    --sidebar-width: 260px;
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.5;
    overflow: hidden;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
}

/* ========================================
   LAYOUT
   ======================================== */
.app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-sidebar-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.user-info {
    flex: 1;
}

.user-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.user-email {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

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

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

.nav-item svg {
    flex-shrink: 0;
}

.nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--color-border);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

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

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.section-header span {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
}

.category-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.category-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.category-item span {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.category-count {
    margin-left: auto;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-tertiary);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg);
}

.content-header {
    background: var(--color-content-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.view-toggle {
    display: flex;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 4px;
}

.view-btn {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.view-btn:hover {
    color: var(--color-text-primary);
}

.view-btn.active {
    background: white;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.month-navigation {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 6px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.nav-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.nav-arrow:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
}

.current-period {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    min-width: 140px;
    text-align: center;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
    background: var(--color-primary);
    color: white;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-bg);
    border-color: var(--color-text-tertiary);
}

.btn-text {
    color: var(--color-text-secondary);
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.btn-icon-lg {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

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

/* ========================================
   CALENDAR
   ======================================== */
.view-container {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.weekday-label {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    background: var(--color-content-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.calendar-day {
    min-height: 120px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.calendar-day:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.calendar-day.other-month {
    opacity: 0.4;
    background: var(--color-bg);
}

.calendar-day.today {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #DBEAFE 0%, #ffffff 100%);
}

.day-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.calendar-day.today .day-number {
    color: var(--color-primary);
    font-weight: 700;
}

.day-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calendar-item {
    padding: 8px 10px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 3px solid currentColor;
}

.calendar-item:hover {
    transform: translateX(3px);
    box-shadow: var(--shadow-sm);
}

.item-emoji {
    font-size: 14px;
    flex-shrink: 0;
}

.item-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-checkbox {
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 4px;
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-fast);
}

.item-checkbox.checked {
    background: currentColor;
}

.item-checkbox.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 11px;
    font-weight: bold;
}

/* Category-specific styling */
.calendar-item[data-category="work"] {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-work);
}

.calendar-item[data-category="personal"] {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-personal);
}

.calendar-item[data-category="health"] {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-health);
}

.calendar-item[data-category="social"] {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-social);
}

.calendar-item[data-category="finance"] {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-finance);
}

.calendar-item[data-category="education"] {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-education);
}

/* ========================================
   TASKS VIEW
   ======================================== */
.tasks-container {
    max-width: 800px;
    margin: 0 auto;
}

.tasks-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.task-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.task-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.task-checkbox-large {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.task-checkbox-large:hover {
    border-color: var(--color-primary);
}

.task-checkbox-large.checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
    position: relative;
}

.task-checkbox-large.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.task-content {
    flex: 1;
}

.task-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.task-meta {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

/* ========================================
   UPCOMING VIEW
   ======================================== */
.upcoming-container {
    max-width: 900px;
    margin: 0 auto;
}

.upcoming-day {
    margin-bottom: var(--spacing-xl);
}

.upcoming-day-header {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.upcoming-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.upcoming-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 4px solid currentColor;
}

.upcoming-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.upcoming-item-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.upcoming-item-emoji {
    font-size: 24px;
}

.upcoming-item-info {
    flex: 1;
}

.upcoming-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.upcoming-item-time {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.upcoming-item-category {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    text-transform: capitalize;
}

/* ========================================
   MODALS
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}

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

.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 500px;
    animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-lg {
    max-width: 700px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--spacing-xl);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-input,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-text-primary);
    background: var(--color-surface);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-text-primary);
    background: var(--color-surface);
    resize: vertical;
    min-height: 100px;
    transition: all var(--transition-fast);
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.emoji-input {
    font-size: 24px;
    text-align: center;
}

.type-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.type-option {
    cursor: pointer;
}

.type-option input[type="radio"] {
    display: none;
}

.type-card {
    padding: var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
}

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

.type-option input[type="radio"]:checked + .type-card {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.type-icon {
    display: block;
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.type-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ========================================
   DETAIL VIEW
   ======================================== */
.detail-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.detail-emoji {
    width: 60px;
    height: 60px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.detail-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-size: 14px;
}

.detail-category {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    text-transform: capitalize;
}

.detail-category[data-category="work"] {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-work);
}

.detail-category[data-category="personal"] {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-personal);
}

.detail-category[data-category="health"] {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-health);
}

.detail-category[data-category="social"] {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-social);
}

.detail-category[data-category="finance"] {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-finance);
}

.detail-category[data-category="education"] {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-education);
}

.detail-date {
    color: var(--color-text-secondary);
}

.detail-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.detail-section {
    margin-bottom: var(--spacing-xl);
}

.detail-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--color-bg);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.detail-location,
.detail-time,
.detail-notes {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.map-embed {
    margin-top: var(--spacing-md);
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.map-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        z-index: 999;
        transition: left var(--transition-base);
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .content-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .header-left,
    .header-right {
        justify-content: space-between;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .type-selector {
        grid-template-columns: 1fr;
    }
    
    .calendar-day {
        min-height: 80px;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========================================
   WEEK VIEW
   ======================================== */
.week-header {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    background: var(--color-content-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.time-column {
    width: 80px;
    flex-shrink: 0;
}

.week-days {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
}

.week-day-header {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.week-day-header.today {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.week-day-name {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: 4px;
}

.week-day-header.today .week-day-name {
    color: var(--color-primary);
}

.week-day-number {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.week-grid {
    background: var(--color-content-bg);
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.week-time-slots {
    display: flex;
    gap: var(--spacing-sm);
}

.week-times {
    width: 80px;
    flex-shrink: 0;
}

.week-time-label {
    height: 60px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-right: var(--spacing-md);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-tertiary);
}

.week-days-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
}

.week-day-column {
    position: relative;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.week-hour-slot {
    height: 60px;
    border-bottom: 1px solid var(--color-border-light);
    position: relative;
    padding: var(--spacing-xs);
}

.week-hour-slot:last-child {
    border-bottom: none;
}

.week-event {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 4px;
    border-left: 3px solid currentColor;
}

.week-event:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   DAY VIEW
   ======================================== */
.day-header {
    background: var(--color-content-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.day-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.day-date {
    font-size: 16px;
    color: var(--color-text-secondary);
}

.day-schedule {
    background: var(--color-content-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
}

.day-time-slot {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.day-time-slot:last-child {
    border-bottom: none;
}

.day-time {
    width: 100px;
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    padding-top: 4px;
}

.day-events {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.day-event {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 4px solid currentColor;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.day-event:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.day-event-emoji {
    font-size: 24px;
}

.day-event-info {
    flex: 1;
}

.day-event-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.day-event-details {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.day-empty {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-tertiary);
}

/* ========================================
   CATEGORY MANAGEMENT
   ======================================== */
.btn-icon-sm {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

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

.add-category-form {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.color-input {
    width: 50px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    background: var(--color-surface);
}

.color-input::-webkit-color-swatch-wrapper {
    padding: 4px;
}

.color-input::-webkit-color-swatch {
    border: none;
    border-radius: var(--radius-sm);
}

.categories-edit-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
}

.category-edit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.category-edit-color {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    cursor: pointer;
    border: 2px solid var(--color-border);
}

.category-edit-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.category-edit-input {
    flex: 1;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.category-edit-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon-sm-delete {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.btn-icon-sm-delete:hover {
    background: var(--color-danger);
    color: white;
}

/* ========================================
   CATEGORY FILTER VIEW
   ======================================== */
.category-filter-container {
    max-width: 900px;
    margin: 0 auto;
}

.category-filter-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-content-bg);
    border-radius: var(--radius-xl);
}

.category-filter-badge {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.category-filter-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: capitalize;
}

/* ========================================
   SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}