/* =============================================
   BELIFIC - CSS Styles
   ============================================= */

:root {
    --primary: #D97652;
    --primary-light: #E8906F;
    --background: #FAF8F5;
    --surface: #FFFFFF;
    --text-primary: #2D2A26;
    --text-secondary: #6B6560;
    --text-tertiary: #9B9590;
    --border: #E8E4E0;
    --success: #6B9B76;
    --error: #E74C3C;
    
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 28px;
    
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #1A1918;
        --surface: #2D2A26;
        --text-primary: #FAF8F5;
        --text-secondary: #9B9590;
        --text-tertiary: #6B6560;
        --border: #3D3A36;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

/* App Container */
.app-container {
    height: 100vh;
    padding-top: var(--safe-area-top);
    padding-bottom: calc(70px + var(--safe-area-bottom));
    overflow: hidden;
}

/* Pages */
.page {
    display: none;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.page.active { display: flex; flex-direction: column; }

.page-header {
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    background: var(--background);
    position: sticky;
    top: 0;
    z-index: 10;
}
.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}
.page-content {
    flex: 1;
    padding: 0 var(--space-lg) var(--space-lg);
}

/* Header */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.day-type-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--surface);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}
.day-type-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.date-display {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* Cards */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    border-left: 4px solid var(--primary);
}
.card-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Activity Row */
.activity-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.activity-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}
.activity-info { flex: 1; min-width: 0; }
.activity-title {
    font-weight: 600;
    font-size: var(--font-size-lg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.activity-time, .activity-starts-in {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.time-remaining {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--primary);
    font-weight: 500;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}
.stat-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}
.stat-icon { font-size: 20px; margin-bottom: var(--space-xs); }
.stat-value { font-size: var(--font-size-lg); font-weight: 700; }
.stat-label { font-size: var(--font-size-sm); color: var(--text-secondary); }

/* Section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}
.section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Schedule List */
.schedule-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.schedule-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}
.schedule-item:active { transform: scale(0.98); }
.schedule-item.past { opacity: 0.5; }
.schedule-item.current { box-shadow: 0 0 0 2px var(--primary); }
.schedule-item.completed .schedule-title { text-decoration: line-through; opacity: 0.6; }

.schedule-time {
    text-align: right;
    min-width: 50px;
}
.schedule-time-start { font-weight: 600; font-size: var(--font-size-base); }
.schedule-time-end { font-size: var(--font-size-sm); color: var(--text-secondary); }
.schedule-bar {
    width: 4px;
    height: 40px;
    border-radius: 2px;
    flex-shrink: 0;
}
.schedule-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 0;
}
.schedule-icon { font-size: 20px; flex-shrink: 0; }
.schedule-info { flex: 1; min-width: 0; }
.schedule-title {
    font-size: var(--font-size-base);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
.notes-indicator { font-size: 12px; opacity: 0.7; }
.schedule-duration { font-size: var(--font-size-sm); color: var(--text-secondary); }

/* Check Button */
.check-button {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}
.check-button .check-icon { opacity: 0; color: white; font-weight: bold; }
.check-button.checked {
    background: var(--success);
    border-color: var(--success);
}
.check-button.checked .check-icon { opacity: 1; }

/* Calendar */
.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}
.calendar-nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--surface);
    border-radius: var(--radius-md);
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
}
.calendar-month-title { font-size: var(--font-size-xl); font-weight: 600; }
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}
.calendar-day {
    aspect-ratio: 1;
    border: none;
    background: var(--surface);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    position: relative;
}
.calendar-day.other-month { opacity: 0.3; }
.calendar-day.today { font-weight: 700; color: var(--primary); }
.calendar-day.selected { background: var(--primary); color: white; }
.calendar-day-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    margin-top: 2px;
}
.selected-day-section { margin-top: var(--space-md); }
.selected-day-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

/* Timer */
.focus-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--space-xl);
}
.timer-container {
    position: relative;
    width: 240px;
    height: 240px;
}
.timer-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.timer-ring-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 4;
}
.timer-ring-progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 741.416;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear;
}
.timer-ring-progress.break { stroke: var(--success); }
.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}
.timer-time { font-size: 48px; font-weight: 700; }
.timer-label { font-size: var(--font-size-sm); color: var(--text-secondary); }
.timer-status {
    margin-top: var(--space-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
}
.timer-status.break { color: var(--success); }
.session-indicators {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}
.session-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}
.session-dot.active { background: var(--primary); }
.session-dot.complete { background: var(--success); }
.timer-controls {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}
.timer-btn {
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.timer-btn.primary {
    width: 80px;
    height: 80px;
    background: var(--primary);
    color: white;
}
.timer-btn.primary.break { background: var(--success); }
.timer-btn.secondary {
    width: 56px;
    height: 56px;
    background: var(--surface);
    color: var(--text-primary);
}
.linked-activity-card {
    margin-top: var(--space-xl);
    padding: var(--space-md);
    background: var(--surface);
    border-radius: var(--radius-md);
    display: none;
    align-items: center;
    gap: var(--space-sm);
}
.linked-activity-card.visible { display: flex; }
.linked-activity-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

/* Settings */
.settings-section { margin-bottom: var(--space-xl); }
.settings-section-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}
.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--surface);
    margin-bottom: 1px;
    cursor: pointer;
}
.settings-item:first-of-type { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.settings-item:last-of-type { border-radius: 0 0 var(--radius-md) var(--radius-md); }
.settings-value { color: var(--text-secondary); }
.settings-btn {
    width: 100%;
    padding: var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
}
.settings-btn.danger {
    background: var(--error);
    color: white;
    margin-top: var(--space-md);
}
.about-text {
    background: var(--surface);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.about-text p { margin-bottom: var(--space-xs); }

/* Tab Bar */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(70px + var(--safe-area-bottom));
    padding-bottom: var(--safe-area-bottom);
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    z-index: 100;
}
.tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color 0.2s;
}
.tab-item.active { color: var(--primary); }
.tab-icon { font-size: 24px; }
.tab-label { font-size: var(--font-size-sm); }

/* FAB */
.fab {
    position: fixed;
    bottom: calc(90px + var(--safe-area-bottom));
    right: var(--space-lg);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 32px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(217, 118, 82, 0.4);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: flex-end;
    z-index: 200;
}
.modal-overlay.active { display: flex; }
.modal {
    width: 100%;
    max-height: 90vh;
    background: var(--background);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
}
.modal-title { font-size: var(--font-size-lg); font-weight: 600; }
.modal-btn {
    border: none;
    background: none;
    font-size: var(--font-size-base);
    cursor: pointer;
    padding: var(--space-sm);
}
.modal-btn.cancel { color: var(--text-secondary); }
.modal-btn.save { color: var(--primary); font-weight: 600; }
.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

/* Forms */
.form-group { margin-bottom: var(--space-md); }
.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}
.form-input {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--surface);
    color: var(--text-primary);
}
.form-textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}
.duration-display {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}
.category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    cursor: pointer;
    font-size: 20px;
    transition: all 0.2s;
}
.category-btn small {
    font-size: 10px;
    color: var(--text-secondary);
}
.category-btn.selected {
    border-color: transparent;
    color: white;
}
.category-btn.selected small { color: white; }

/* Notification Banner */
.notification-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: var(--space-md);
    padding-top: calc(var(--space-md) + var(--safe-area-top));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 300;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}
.notification-banner.active { transform: translateY(0); }
.notification-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
.notification-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.notification-text { flex: 1; }
.notification-title { font-weight: 600; font-size: var(--font-size-lg); }
.notification-body { font-size: var(--font-size-sm); color: var(--text-secondary); }
.notification-snooze-count { font-size: var(--font-size-sm); color: var(--primary); margin-top: var(--space-xs); }
.notification-actions { display: flex; gap: var(--space-sm); }
.notification-btn {
    flex: 1;
    padding: var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
}
.notification-btn.snooze { background: var(--border); color: var(--text-primary); }
.notification-btn.start { background: var(--primary); color: white; }