/* ============================================
   TIMELINE VIEW (Card Design)
   ============================================ */

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

.timeline-day {
    position: relative;
}

.timeline-day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-075) var(--spacing-md);
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary);
}

.timeline-day-date {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-day-total {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
}

.timeline-entries {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-075);
    padding-left: var(--spacing-md);
}

.timeline-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-075);
    cursor: pointer;
    transition: all 200ms ease;
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: var(--spacing-075);
}

.timeline-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateX(4px);
}

.timeline-card-time {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
    text-align: center;
}

.timeline-card-content {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.timeline-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.timeline-card-client {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--dark);
}

.timeline-card-separator {
    color: var(--gray-300);
    font-weight: 400;
}

.timeline-card-duration {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
    margin-left: auto;
}

.timeline-card-project {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.timeline-card-description {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.timeline-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: var(--spacing-xs);
}

.timeline-tag {
    display: inline-block;
    padding: 0.125rem var(--spacing-sm);
    background: var(--gray-100);
    border-radius: 10px;
    font-size: 0.7rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Compact timeline: tags inline in header */
.timeline-card-compact .timeline-card-header .timeline-tag {
    padding: 0.125rem var(--spacing-sm);
    font-size: 0.7rem;
}

/* Timeline Summary */
.timeline-summary {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    padding: 1.25rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-md);
    color: white;
    font-weight: 700;
}

.timeline-summary-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.timeline-summary-value {
    font-size: 1.5rem;
}

.timeline-summary-count {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Timeline Empty State */
.timeline-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 2px dashed var(--gray-200);
}

.timeline-empty::before {
    content: "\1F4ED";
    font-size: 3rem;
    opacity: 0.5;
}

/* Timeline View (scrollable container) */
.timeline-view {
    max-height: 600px;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    padding-bottom: var(--spacing-md);
}

/* Fade-out indicator at bottom */
.timeline-view::after {
    content: '';
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to top, rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
    display: block;
}

/* Scrollbar styles for timeline */
.timeline-view::-webkit-scrollbar {
    width: 8px;
}

.timeline-view::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

.timeline-view::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

.timeline-view::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ============================================
   CALENDAR TIMELINE (Day View)
   ============================================ */

.calendar-timeline {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.timeline-container {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-md);
    min-height: 600px;
    position: relative;
}

.timeline-hours {
    display: flex;
    flex-direction: column;
    border-right: 2px solid var(--gray-lighter);
}

.timeline-hour {
    flex: 1;
    display: flex;
    align-items: start;
    font-size: 0.75rem;
    color: var(--gray);
    font-weight: 600;
    padding-top: 2px;
}

/* Calendar timeline entries (positioned) */
.timeline-container .timeline-entries {
    position: relative;
    display: block;
    padding-left: 0;
    background: repeating-linear-gradient(
        to bottom,
        var(--gray-lighter) 0px,
        var(--gray-lighter) 1px,
        transparent 1px,
        transparent calc(100% / 17)
    );
}

.timeline-entry {
    position: absolute;
    left: 0;
    right: 0;
    background: var(--primary-lighter);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.timeline-entry:hover {
    background: var(--primary-light);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.timeline-entry-time {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.timeline-entry-project {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-entry-client {
    font-size: 0.7rem;
    color: var(--gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-entry-duration {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-top: 4px;
}

/* ============================================
   WEEK CALENDAR VIEW
   ============================================ */

.week-calendar-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.week-calendar-header {
    display: grid;
    grid-template-columns: 60px repeat(7, 1fr);
    gap: 2px;
    background: var(--primary-lighter);
    padding: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
}

.week-calendar-hours-header {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.week-calendar-day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    background: var(--white);
    border-radius: var(--radius-sm);
}

.week-calendar-day-header.today {
    background: var(--accent);
    color: var(--white);
}

.week-day-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
}

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

.week-day-date {
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 2px;
}

.week-calendar-day-header.today .week-day-date {
    color: var(--white);
    opacity: 0.9;
}

.week-calendar-grid {
    display: grid;
    grid-template-columns: 60px repeat(7, 1fr);
    gap: 2px;
    min-height: 600px;
    background: var(--gray-lighter);
}

.week-calendar-hours {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-right: 2px solid var(--gray-lighter);
}

.week-calendar-hour {
    flex: 1;
    display: flex;
    align-items: start;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--gray);
    font-weight: 600;
    padding-top: 2px;
}

.week-calendar-day {
    position: relative;
    background: var(--white);
    background-image: repeating-linear-gradient(
        to bottom,
        var(--gray-lighter) 0px,
        var(--gray-lighter) 1px,
        transparent 1px,
        transparent calc(100% / 17)
    );
}

.week-calendar-day.today {
    background-color: var(--accent-lighter);
}

.week-calendar-entry {
    position: absolute;
    left: 4px;
    right: 4px;
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.65rem;
}

.week-calendar-entry:hover {
    filter: brightness(0.9);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.week-entry-time {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.week-entry-project {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.week-entry-client {
    font-size: 0.65rem;
    color: var(--gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.week-entry-duration {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--primary-dark);
}

/* ============================================
   MONTH CALENDAR VIEW
   ============================================ */

.calendar-month-view {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.month-calendar {
    max-width: 1200px;
    margin: 0 auto;
}

.month-header {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    text-transform: capitalize;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}

.calendar-weekday {
    background: var(--primary-lighter);
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary-dark);
    border-radius: var(--radius-sm);
}

.calendar-day {
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    min-height: 80px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-fast);
}

.calendar-day.empty {
    background: var(--gray-lighter);
    opacity: 0.3;
}

.calendar-day.has-entries {
    background: var(--primary-lighter);
    border-color: var(--primary);
    cursor: pointer;
}

.calendar-day.has-entries:hover {
    background: var(--primary-light);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.day-number {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.day-hours {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-top: auto;
}

.day-entries-count {
    font-size: 0.7rem;
    color: var(--gray);
}

/* Week Sum Column */
.calendar-day.week-sum {
    background: var(--primary-lighter);
    border-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.week-sum-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
}

/* ============================================
   PERIOD & CALENDAR NAVIGATION
   ============================================ */

.period-navigation {
    background: var(--primary-lighter);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.period-nav-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

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

.period-selector select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    background: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.period-label {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    min-width: 200px;
    text-align: center;
}

.calendar-nav-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
}

.calendar-nav-header .month-header {
    margin-bottom: 0;
    min-width: 250px;
}

/* ============================================
   DAY SUM & WEEK DAYS GRID
   ============================================ */

.day-sum {
    background: var(--primary-lighter);
    color: var(--primary-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.week-days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    min-height: 600px;
}

/* ============================================
   WEEK TIMELINE VIEW
   ============================================ */

.calendar-week-view {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.week-timeline-container {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    min-height: 600px;
}

.week-day-column {
    display: flex;
    flex-direction: column;
}

.week-day-header {
    background: var(--primary-lighter);
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary-dark);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.week-day-timeline {
    flex: 1;
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 4px;
    background: var(--gray-lighter);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    position: relative;
}

.week-timeline-hours {
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.week-timeline-hour {
    flex: 1;
    font-size: 0.6rem;
    color: var(--gray);
    font-weight: 600;
}

.week-timeline-entries {
    position: relative;
    min-height: 400px;
    background: repeating-linear-gradient(
        to bottom,
        var(--gray-light) 0px,
        var(--gray-light) 1px,
        transparent 1px,
        transparent calc(100% / 17)
    );
}

.week-timeline-entry {
    position: absolute;
    left: 2px;
    right: 2px;
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    overflow: hidden;
    font-size: 0.7rem;
    cursor: pointer;
    min-height: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.week-timeline-entry:hover {
    filter: brightness(0.9);
    z-index: 10;
}

/* ============================================
   DETAIL WEEK VIEW
   ============================================ */

.detail-week-grid {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.detail-week-header-row {
    display: grid;
    grid-template-columns: 50px repeat(7, 1fr);
    gap: 2px;
    background: var(--primary-lighter);
    padding: var(--spacing-sm);
}

.detail-week-hours-header {
    /* Empty corner cell */
}

.detail-week-day-header {
    text-align: center;
    padding: var(--spacing-xs);
}

.detail-week-day-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary-dark);
}

.detail-week-day-date {
    font-size: 0.75rem;
    color: var(--gray);
}

.detail-week-day-sum {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary);
    margin-top: 4px;
}

.detail-week-timeline {
    display: grid;
    grid-template-columns: 50px repeat(7, 1fr);
    gap: 2px;
    min-height: 500px;
    position: relative;
}

.detail-week-hours {
    display: flex;
    flex-direction: column;
    background: var(--gray-lighter);
    padding: 0 var(--spacing-xs);
}

.detail-week-hour {
    flex: 1;
    font-size: 0.65rem;
    color: var(--gray);
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    padding-top: 2px;
}

.detail-week-day-column {
    position: relative;
    background: var(--gray-lighter);
    border-left: 1px solid var(--gray-light);
}

.detail-week-grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        to bottom,
        var(--gray-light) 0px,
        var(--gray-light) 1px,
        transparent 1px,
        transparent calc(100% / 17)
    );
    pointer-events: none;
}

.detail-week-entry {
    position: absolute;
    left: 3px;
    right: 3px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
    padding: 2px 4px;
    font-size: 0.65rem;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.detail-week-entry:hover {
    filter: brightness(0.9);
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.detail-week-entry-time {
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 0.6rem;
}

.detail-week-entry-name {
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.6rem;
}