/* Chronological - Main Stylesheet */

/* CSS Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-secondary: #64748b;
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

/* App Layout */
.app-header {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.app-header h1 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.app-main {
    height: calc(100vh - 60px);
    overflow: hidden;
}

/* Timeline Container - Split Layout */
.timeline-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    height: 100%;
}

/* Calendar Panel */
.calendar-panel {
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.calendar {
    max-width: 320px;
    margin: 0 auto;
}

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

.calendar-header h2 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.nav-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    transition: background-color 0.2s, border-color 0.2s;
}

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

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
    padding: 2px;
}

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

.calendar-day.empty {
    background: none;
    cursor: default;
}

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

.calendar-day.today:hover {
    background-color: var(--color-primary-dark);
}

.calendar-day.has-content {
    font-weight: 600;
}

.day-number {
    font-size: var(--font-size-sm);
}

.day-indicators {
    display: flex;
    gap: 1px;
    font-size: 0.6rem;
    position: absolute;
    bottom: 2px;
}

.indicator {
    line-height: 1;
}

.calendar-actions {
    margin-top: var(--spacing-lg);
    text-align: center;
}

/* Timeline Panel */
.timeline-panel {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.timeline-header h2 {
    margin: 0;
    font-size: var(--font-size-xl);
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-day {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.timeline-day-header {
    background-color: var(--color-bg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.timeline-day-header time {
    font-weight: 600;
    color: var(--color-primary);
}

.timeline-entries {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.timeline-entry {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.entry-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.entry-content {
    flex-grow: 1;
    min-width: 0;
}

.entry-content h4 {
    margin: 0 0 var(--spacing-xs);
    font-size: var(--font-size-md);
}

.entry-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-right: var(--spacing-sm);
}

.entry-location {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.entry-description {
    margin: var(--spacing-sm) 0 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.diary-text {
    white-space: pre-wrap;
}

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

/* Photo Grid */
.photo-grid, .photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.photo-item {
    margin: 0;
}

.photo-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 0.2s;
}

.photo-item img:hover {
    transform: scale(1.02);
}

.photo-item figcaption {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
    text-align: center;
}

/* Day Modal */
.day-modal {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    padding: 0;
}

.day-modal::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

.day-detail {
    padding: var(--spacing-lg);
}

.day-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.day-header h2 {
    margin: 0;
    font-size: var(--font-size-lg);
}

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

.day-section h3 {
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
}

.event-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.event-item {
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.event-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.empty-message {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Form Elements */
textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-md);
    resize: vertical;
    min-height: 100px;
}

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

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
    transform: translateY(-1px);
}

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

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

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

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

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: white;
}

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

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

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .timeline-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    
    .calendar-panel {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        max-height: 50vh;
    }
    
    .calendar {
        max-width: none;
    }
}

/* HTMX Loading Indicator */
.htmx-request {
    opacity: 0.7;
    pointer-events: none;
}

.htmx-request::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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