/* ═══════════════════════════════════════════════════════════════════════════
   Task List Component
   Task items, checkboxes, and list containers
   ═══════════════════════════════════════════════════════════════════════════ */

/* =============================================================================
   TASK CARD CONTAINER
   ============================================================================= */

.task-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
}

/* =============================================================================
   TASK LIST CONTAINER
   ============================================================================= */

.task-list-container {
    position: relative;
    width: 100%;
    height: auto;
    max-height: calc(100vh - 300px);
    min-height: 0px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0 0 8px 8px;
    padding: 10px 10px 80px 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
    flex: 1 1 auto;
}

/* Custom scrollbar */
.task-list-container::-webkit-scrollbar {
    width: 8px;
}

.task-list-container::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 10px;
}

.task-list-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

/* =============================================================================
   TASK LIST
   ============================================================================= */

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

#taskList {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* =============================================================================
   EMPTY STATE
   ============================================================================= */

/* Show empty state when task list is empty */
.task-list:empty + .empty-state {
    display: flex;
}

.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.empty-state-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.9);
}

.empty-state-hint {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 250px;
    line-height: 1.4;
}

.empty-state-hint strong {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

/* =============================================================================
   SAVING INDICATOR
   ============================================================================= */

.saving-indicator {
    width: 100%;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: var(--theme-text-secondary, rgba(80, 80, 80, 0.85));
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease-out, visibility 0.15s ease-out;
    pointer-events: none;
    padding: 2px 0;
}

.saving-indicator.visible {
    opacity: 1;
    visibility: visible;
}

/* =============================================================================
   ONBOARDING STATE
   ============================================================================= */

/* Hide task content during onboarding */
body.onboarding-active .title-row,
body.onboarding-active .task-list,
body.onboarding-active .empty-state,
body.onboarding-active .completed-tasks-section,
body.onboarding-active .task-search-input-row,
body.onboarding-active .progress-container,
body.onboarding-active .complete-all-and-help-window-container {
    display: none !important;
}

/* NOTE: .onboarding-placeholder styles are defined in onboarding.css */

/* =============================================================================
   COMPLETED TASKS SECTION
   ============================================================================= */

.completed-tasks-section {
    width: 100%;
    margin: 15px 0 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 10px;
    display: none; /* Hidden by default, shown when tasks are added */
}

.completed-tasks-header {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    padding: 10px 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.completed-tasks-header:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.01);
}

.completed-tasks-header .toggle-icon {
    margin-left: 5px;
    font-size: 0.9em;
    transition: transform 0.2s ease;
}

#completed-count {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

.completed-task-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
    display: none; /* Hidden by default */
}

.completed-task-list.visible {
    display: block;
}

/* Completed tasks have slightly reduced opacity */
.completed-task-list .task {
    opacity: 0.75;
    transition: opacity 0.2s ease;
}

.completed-task-list .task:hover {
    opacity: 0.9;
}

/* Hide certain buttons for completed tasks */
.completed-task-list .task .recurring-settings-btn,
.completed-task-list .task .due-date-btn,
.completed-task-list .task .reminder-btn {
    opacity: 0.5;
}

/* =============================================================================
   TASK CONTENT LAYOUT
   ============================================================================= */

.task-content {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

/* =============================================================================
   DUE DATE
   ============================================================================= */

.due-date {
    font-size: 14px;
    border: 1px solid var(--theme-input-border, #ccc);
    border-radius: 5px;
    margin-left: 15%;
    width: 100%;
    max-width: 180px;
    background-color: var(--theme-input-bg, #c8c8c868);
    color: var(--theme-input-text, #333);
}

.due-date.hidden {
    display: none;
}

/* =============================================================================
   OVERDUE TASK
   ============================================================================= */

.overdue-task {
    background-color: rgba(255, 0, 0, 0.2);
    color: darkred;
    font-weight: bold;
}

.overdue-task:hover {
    background-color: rgba(255, 0, 0, 0.2);
}

/* =============================================================================
   HIGH PRIORITY
   ============================================================================= */

.high-priority {
    border-left: 5px solid red;
}

/* =============================================================================
   TASK INDICATORS
   ============================================================================= */

/* Task marked for deletion on reset (Cycle mode) */
.task.show-delete-indicator::after {
    content: "❌";
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    opacity: 0.7;
    pointer-events: none;
}

/* Task marked to be kept in To-Do mode */
.task.kept-task::after {
    content: "📌";
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    opacity: 0.7;
    pointer-events: none;
}

/* Adjust task padding for indicators */
.task.show-delete-indicator,
.task.kept-task {
    padding-right: 30px;
}

/* =============================================================================
   TASK DRAGGING
   ============================================================================= */

.dragging {
    opacity: 0.7;
    background-color: var(--theme-bg-surface-elevated, #e0e0e0);
    transform: scale(1.05);
    transition: none;
}

/* Prevent scrolling past the last task */
#taskList {
    overscroll-behavior: contain;
    touch-action: pan-y;
}

/* NOTE: .hidden utility class is defined in helpers.css */

/* =============================================================================
   TITLE ROW
   ============================================================================= */

.title-row {
    position: relative;
    flex-shrink: 0;
    width: 100%;
}

.mini-cycle-title {
    position: sticky;
    font-family: 'Inter', sans-serif;
    text-decoration: underline;
    font-weight: 600;
    font-size: 18px;
    text-align: center;
    letter-spacing: 0.5px;
    color: rgba(43, 43, 43, 0.783); /* Dark text on light surface - dark mode overrides this */
    background: none;
    background-color: rgba(255, 255, 255, 0.4);
    padding: 8px 10px;
    border: none;
    outline: none;
    cursor: text;
    top: 0;
    border-radius: 8px 8px 0 0;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
    padding-top: 5px;
    padding-bottom: 5px;
    width: 100%;
    z-index: 1;
}

#mini-cycle-title:focus {
    background: rgba(255, 255, 255, 0.2);
    color: #f8f8f8;
    border-bottom: 2px solid #ffffff;
}

/* =============================================================================
   TASK SEARCH
   ============================================================================= */

.task-search-container {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    padding: 0;
    z-index: 10;
}

.task-search-btn {
    background: transparent;
    border: none;
    color: var(--theme-text-secondary, rgba(40, 40, 40, 0.7));
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.task-search-btn:hover {
    color: rgba(60, 60, 60, 0.8);
}

.task-search-btn.active {
    color: rgba(60, 60, 60, 0.9);
}

.task-search-input-row {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.7);
    padding: 6px 10px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.task-search-input {
    border: none;
    background: transparent;
    padding: 4px 0;
    font-size: 13px;
    color: var(--theme-input-text, #333);
    width: 140px;
    outline: none;
}

.task-search-input::placeholder {
    color: var(--theme-input-placeholder, rgba(60, 60, 60, 0.5));
}

.task-search-clear {
    background: transparent;
    border: none;
    color: var(--theme-text-muted, rgba(60, 60, 60, 0.4));
    cursor: pointer;
    padding: 2px 4px;
    font-size: 16px;
    line-height: 1;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.task-search-clear:hover {
    color: rgba(60, 60, 60, 0.8);
}

/* =============================================================================
   TASK ITEMS
   ============================================================================= */

.task {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 10px;
    border-radius: 8px;
    margin: 10px;
    background: var(--theme-task-bg, white);
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
    color: var(--theme-task-text, #333);
    position: relative;
}

.task:hover {
    transform: scale(1.02);
    background: var(--theme-bg-surface-elevated, #f8f9fa);
}

.task input {
    margin-right: 10px;
    cursor: pointer;
}

.task span {
    flex: 1;
    text-align: left;
    font-size: 16px;
    max-width: calc(100% - 120px);
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-right: 120px;
}

/* =============================================================================
   CIRCULAR CHECKBOX
   ============================================================================= */

.task input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    aspect-ratio: 1/1;
    border-radius: 50%;
    border: 2px solid var(--theme-task-border, #ccc);
    background-color: var(--theme-task-bg, white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    outline: none;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.task input[type="checkbox"]:hover {
    border-color: #40af4d;
}

.task input[type="checkbox"]:checked {
    background-color: #5db567;
    border-color: #40af4d;
}

.task input[type="checkbox"]::after {
    content: "✔";
    font-size: 28px;
    color: rgb(18, 70, 9);
    font-weight: bold;
    display: none;
    position: relative;
    top: -4px;
    left: 5px;
}

.task input[type="checkbox"]:checked::after {
    display: block;
}

.task input[type="checkbox"]:focus {
    outline: 2px solid var(--accent-color, #007BFF);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
    border-radius: 50%;
}

/* Completed task */
.task.completed {
    background: var(--theme-task-completed-bg, rgba(40, 167, 69, 0.1));
    border-color: var(--theme-task-checkmark, #28a745);
}

.task.completed .task-text {
    text-decoration: line-through;
    opacity: 0.7;
}

/* High priority task */
.task.high-priority {
    border-left: 4px solid var(--theme-error, #dc3545);
}

/* =============================================================================
   CHECKBOX CONTAINER
   ============================================================================= */

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 5px 10px;
    margin-left: 5px;
}

/* =============================================================================
   CUSTOM CHECKBOX
   ============================================================================= */

.custom-checkbox {
    display: flex;
    align-items: center;
    font-size: 1rem;
    font-weight: bold;
    color: var(--theme-text-on-surface);
    cursor: pointer;
}

/* Hide default checkbox */
.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

/* Custom checkmark box */
.custom-checkbox .checkmark {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 1px solid var(--theme-task-border, #666);
    border-radius: 4px;
    margin-right: 8px;
    transition: background 0.2s ease;
}

/* Checked state */
.custom-checkbox input:checked + .checkmark {
    background-color: var(--theme-task-checkmark);
    border-color: var(--theme-task-checkmark);
    position: relative;
}

/* Checkmark tick */
.custom-checkbox input:checked + .checkmark::after {
    content: "";
    position: absolute;
    left: 4px;
    top: -1px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* =============================================================================
   TASK TEXT
   ============================================================================= */

.task-text {
    flex: 1;
    word-break: break-word;
    text-align: left;
    color: var(--theme-task-text, #333);
}

/* =============================================================================
   MOVE ARROWS (Accessibility)
   ============================================================================= */

#taskList:not([data-move-arrows="true"]) .move-up,
#taskList:not([data-move-arrows="true"]) .move-down {
    display: none;
}

#taskList[data-move-arrows="true"] .move-up,
#taskList[data-move-arrows="true"] .move-down {
    display: inline-flex;
}

/* Hide up arrow on first task */
#taskList[data-move-arrows="true"] > .task.is-first-task .move-up {
    visibility: hidden;
}

/* Hide down arrow on last task */
#taskList[data-move-arrows="true"] > .task.is-last-task .move-down {
    visibility: hidden;
}

/* =============================================================================
   DESKTOP ADJUSTMENTS
   ============================================================================= */

@media (min-width: 769px) {
    .task-card {
        max-height: calc(100vh - 320px);
    }

    /* Shorter task card when Complete button is visible */
    #task-view.complete-btn-visible .task-card {
        max-height: calc(100vh - 380px);
    }

    /* Shorter task card when mode description is visible */
    #task-view.mode-description-visible .task-card {
        max-height: calc(100vh - 380px);
    }

    /* Both Complete button AND mode description visible */
    #task-view.complete-btn-visible.mode-description-visible .task-card {
        max-height: calc(100vh - 430px);
    }
}

@media (min-width: 1024px) {
    .task-card {
        max-width: 600px;
    }

    #task-view {
        max-width: 600px;
    }
}

/* =============================================================================
   MOBILE ADJUSTMENTS
   ============================================================================= */

@media (max-width: 768px) {
    .task {
        padding: 6px 10px;
    }

    .checkbox-container {
        gap: 20px;
        padding: 4px 8px;
    }

    /* More bottom padding on mobile for undo buttons and navigation dots */
    .task-list-container {
        padding-bottom: 100px;
    }

    /* Mobile task card constraints - using dvh for iOS Safari compatibility */
    .task-card {
        max-height: calc(100dvh - 325px);
        margin-top: 18px;
    }

    /* Shorter task card when Complete button is visible on mobile */
    #task-view.complete-btn-visible .task-card {
        max-height: calc(100dvh - 395px);
    }

    /* Shorter task card when mode description is visible on mobile */
    #task-view.mode-description-visible .task-card {
        max-height: calc(100dvh - 405px);
    }

    /* Even shorter when both are visible on mobile */
    #task-view.complete-btn-visible.mode-description-visible .task-card {
        max-height: calc(100dvh - 445px);
    }

    #task-view {
        width: 90vw;
        max-width: none;
        left: calc(50% - 10px);
    }

    /* Maintain nudge when .show class is applied after swipe */
    #task-view.show {
        left: calc(50% - 10px);
    }
}

/* iPhone-specific adjustments */
@media (max-width: 480px) {
    .task-card {
        margin-top: 35px;
    }
}