/* --- Modern Design Token Variables --- */
:root {
    --bg-main: #f8fafc;        /* Soft, clean off-white background */
    --bg-card: #ffffff;        /* Crisp white for widgets */
    --sidebar-bg: #0f172a;     /* Deep slate for high contrast navigation */
    --sidebar-hover: #1e293b;  
    --text-main: #0f172a;      /* Dark slate for readable text */
    --text-muted: #64748b;     /* Cool grey for subtext */
    --primary: #4f46e5;        /* Trendy indigo accent color */
    --primary-hover: #4338ca;
    --border-color: #e2e8f0;   /* Subtle borders */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --radius: 16px;            /* Sleek, rounded corners */
    --transition: all 0.25s ease;
    --primary-soft: #eef2ff;   /* Tinted backgrounds for event chips and highlights */
    --focus-ring: rgba(79, 70, 229, 0.1);
    --danger: #b91c1c;
    --priority-low-bg: #dcfce7;
    --priority-low-text: #166534;
    --priority-medium-bg: #fef3c7;
    --priority-medium-text: #92400e;
    --priority-high-bg: #fee2e2;
    --priority-high-text: #991b1b;
    color-scheme: light;
}

/* --- Dark Theme (set on <html> by the theme switcher) --- */
:root[data-theme="dark"] {
    --bg-main: #0b1220;
    --bg-card: #131c2e;
    --sidebar-bg: #070b14;
    --sidebar-hover: #1e293b;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --border-color: #243047;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --primary-soft: rgba(99, 102, 241, 0.18);
    --focus-ring: rgba(99, 102, 241, 0.3);
    --danger: #f87171;
    --priority-low-bg: rgba(34, 197, 94, 0.15);
    --priority-low-text: #86efac;
    --priority-medium-bg: rgba(245, 158, 11, 0.15);
    --priority-medium-text: #fcd34d;
    --priority-high-bg: rgba(239, 68, 68, 0.15);
    --priority-high-text: #fca5a5;
    color-scheme: dark;
}

/* --- Global Resets & Layout --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    display: flex;
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- Premium Navigation Sidebar --- */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: white;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 10;
    flex-shrink: 0;
}

.sidebar.collapsed {
    width: 80px;
    padding: 24px 16px;
}

.sidebar.collapsed .nav-links span:last-child {
    display: none; /* Hide button text when collapsed */
}

.toggle-btn {
    background: none;
    border: none;
    color: white;
    font-size: 22px;
    cursor: pointer;
    margin-bottom: 40px;
    align-self: flex-start;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.toggle-btn:hover {
    background-color: var(--sidebar-hover);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    width: 100%;
    background: none;
    border: none;
    color: #94a3b8;
    text-align: left;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.nav-btn.active, .nav-btn:hover {
    background-color: var(--sidebar-hover);
    color: white;
}

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

/* --- Main Content Display --- */
.content-container {
    flex-grow: 1;
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    min-width: 0;
}

.app-page {
    display: none;
    animation: fadeIn 0.4s ease;
}

.app-page.active-page {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Typography & Headers --- */
h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 8px;
}

/* Clickable name in the dashboard greeting */
.dashboard-header .user-name,
.dashboard-header .user-name-input {
    font: inherit;
    letter-spacing: inherit;
    color: inherit;
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
    width: auto;
    cursor: pointer;
}

/* Looks like the rest of the heading; a faint underline on hover hints it can be edited */
.dashboard-header .user-name:hover,
.dashboard-header .user-name:focus-visible {
    text-decoration: underline;
    text-decoration-color: var(--border-color);
    text-underline-offset: 6px;
    outline: none;
}

/* Overrides the general text-box look so it stays inline with the greeting */
.dashboard-header .user-name-input,
.dashboard-header .user-name-input:focus {
    cursor: text;
    border-bottom: 2px solid var(--border-color);
    box-shadow: none;
    outline: none;
}

.dashboard-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: 32px;
}

h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

/* --- Dashboard Dashboard Grid --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)); /* minmax stops wide content (the forecast row) stretching a column */
    gap: 24px;
}

.widget {
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.widget:hover {
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
}

/* --- Widget Specific Formats --- */

/* Clock */
.clock-widget {
    grid-column: span 2;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    border: none;
}

#digital-clock {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    font-variant-numeric: tabular-nums;
}

.clock-period {
    font-size: 0.45em;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Weather UI */
.weather-widget {
    display: flex;
    flex-direction: column;
}

#weather-icon {
    font-size: 3.5rem;
    margin: 12px 0;
}

#weather-temp {
    font-size: 2.5rem;
    font-weight: 700;
}

#weather-condition {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.weather-options button.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.weather-forecast {
    list-style: none;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 16px;
}

.forecast-item {
    flex: 0 0 auto;
    min-width: 64px;
    padding: 10px 8px;
    border-radius: 10px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    text-align: center;
    font-size: 13px;
}

.forecast-label {
    color: var(--text-muted);
    font-weight: 500;
}

.forecast-icon {
    font-size: 1.4rem;
    margin: 4px 0;
}

.forecast-temp {
    font-weight: 600;
}

.forecast-low {
    color: var(--text-muted);
    font-weight: 400;
}

.weather-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
}

#weather-updated, .note-status {
    color: var(--text-muted);
    font-size: 13px;
}

/* Shared Elegant Form Controls */
button.btn, .weather-options button, .timer-modes button, .timer-controls button, #add-task-btn, .notepad-controls button, .calendar-header button, #refresh-weather-btn {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

button:hover {
    background-color: var(--border-color);
}

.weather-options, .timer-modes, .timer-controls, .notepad-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

/* Focus Mode Buttons Accent */
.timer-modes button.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

#timer-display {
    font-size: 3.5rem;
    font-weight: 700;
    text-align: center;
    margin: 20px 0;
    color: var(--primary);
}

/* Text Inputs & Notepad */
input[type="text"], textarea, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-main);
    outline: none;
    transition: var(--transition);
}

input[type="text"]:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

textarea {
    height: 150px;
    resize: none;
    margin-top: 12px;
    margin-bottom: 16px;
}

/* --- Task & Habit UI --- */
.task-input-container {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

#add-task-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    white-space: nowrap;
}

#add-task-btn:hover {
    background-color: var(--primary-hover);
}

#todo-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.task-item {
    background: var(--bg-card);
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.task-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.task-text {
    flex-grow: 1;
    margin-left: 16px;
    font-size: 15px;
}

.task-actions button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

/* --- Task States & Priority Badges --- */
.task-item.completed .task-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

.task-item.completed {
    opacity: 0.7;
}

.task-edit-input {
    flex-grow: 1;
    margin: 0 12px 0 16px;
    padding: 6px 10px;
    font-size: 15px;
    border: 1px solid var(--primary);
    border-radius: 8px;
    outline: none;
}

.priority-badge {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    margin-right: 12px;
    text-transform: capitalize;
    white-space: nowrap;
}

.priority-low {
    background-color: var(--priority-low-bg);
    color: var(--priority-low-text);
}

.priority-medium {
    background-color: var(--priority-medium-bg);
    color: var(--priority-medium-text);
}

.priority-high {
    background-color: var(--priority-high-bg);
    color: var(--priority-high-text);
}

.empty-state {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 32px;
}

/* Habit Layout Row */
.habit-tracker-container {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.habit-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.habit-row:last-child {
    border: none;
}

.habit-name {
    font-weight: 500;
    width: 150px;
}

.habit-days {
    display: flex;
    gap: 8px;
}

.day-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.day-btn.completed {
    background-color: #10b981; /* Premium Emerald Green */
    color: white;
    border-color: #10b981;
}

.habit-streak {
    color: var(--text-muted);
    font-size: 14px;
    width: 150px;
    text-align: right;
}

.habit-input-container {
    margin-top: 16px;
    margin-bottom: 8px;
}

#add-habit-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    white-space: nowrap;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

#add-habit-btn:hover {
    background-color: var(--primary-hover);
}

.day-btn.today {
    border: 2px solid var(--primary);
}

.day-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.habit-delete-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    margin-left: 8px;
}

#habit-list + .empty-state {
    margin: 16px 0 0;
}

/* --- Calendar Page Styling --- */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.calendar-header h2 {
    margin: 0;
    flex: 1;
    text-align: center;
    min-width: 200px;
}

.calendar-nav, .view-switcher {
    display: flex;
    gap: 8px;
}

.view-switcher button.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Event colors: each sets a tint, a text color and a solid accent */
.event-color-indigo { --event-bg: #eef2ff; --event-fg: #4338ca; --event-solid: #6366f1; }
.event-color-sky    { --event-bg: #e0f2fe; --event-fg: #0369a1; --event-solid: #0ea5e9; }
.event-color-teal   { --event-bg: #ccfbf1; --event-fg: #0f766e; --event-solid: #14b8a6; }
.event-color-amber  { --event-bg: #fef3c7; --event-fg: #b45309; --event-solid: #f59e0b; }
.event-color-rose   { --event-bg: #ffe4e6; --event-fg: #be123c; --event-solid: #f43f5e; }
.event-color-slate  { --event-bg: #e2e8f0; --event-fg: #334155; --event-solid: #64748b; }

:root[data-theme="dark"] .event-color-indigo { --event-bg: rgba(99, 102, 241, 0.22); --event-fg: #a5b4fc; }
:root[data-theme="dark"] .event-color-sky    { --event-bg: rgba(14, 165, 233, 0.22); --event-fg: #7dd3fc; }
:root[data-theme="dark"] .event-color-teal   { --event-bg: rgba(20, 184, 166, 0.22); --event-fg: #5eead4; }
:root[data-theme="dark"] .event-color-amber  { --event-bg: rgba(245, 158, 11, 0.22); --event-fg: #fcd34d; }
:root[data-theme="dark"] .event-color-rose   { --event-bg: rgba(244, 63, 94, 0.22);  --event-fg: #fda4af; }
:root[data-theme="dark"] .event-color-slate  { --event-bg: rgba(100, 116, 139, 0.3); --event-fg: #cbd5e1; }

/* Month view */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr)); /* minmax keeps long event text from widening a column */
    gap: 10px;
    width: 100%;
}

.day-box {
    position: relative; /* Anchors the "+N" badge */
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    aspect-ratio: 1; /* Every day is a square; extra items are clipped - click a day to see them all */
    overflow: hidden;
    padding: 10px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.day-box.other-month {
    background: var(--bg-main);
    box-shadow: none;
}

.day-box.other-month .day-number,
.day-box.other-month .day-event {
    opacity: 0.45;
}

.day-box.today {
    border: 2px solid var(--primary);
}

.day-number {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.day-box.today .day-number {
    color: var(--primary);
}

.day-event {
    background-color: var(--event-bg, var(--primary-soft));
    color: var(--event-fg, var(--primary));
    font-size: 12px;
    line-height: 1.3;
    padding: 2px 6px;
    border-radius: 6px;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* "+N" in the top-right corner, so it never gets clipped by the square */
.day-more {
    position: absolute;
    top: 10px;
    right: 10px;
    font-weight: 600;
    font-size: 12px;
    line-height: 1.2;
    color: var(--text-muted);
}

/* Tasks on the calendar */
.day-event.day-task {
    background-color: var(--priority-low-bg);
    color: var(--priority-low-text);
}

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

/* Day and week views: hourly time grid */
.timegrid {
    --hour-height: 48px;
    --gutter-width: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.timegrid-row {
    display: grid;
    grid-template-columns: var(--gutter-width) repeat(var(--day-count), minmax(0, 1fr));
}

.timegrid-header {
    border-bottom: 1px solid var(--border-color);
}

.timegrid-day-heading {
    background: none;
    border: none;
    border-left: 1px solid var(--border-color);
    padding: 10px 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    text-align: center;
}

.timegrid-day-heading .heading-number {
    display: block;
    font-size: 20px;
    color: var(--text-main);
    margin-top: 2px;
}

.timegrid-day-heading.today,
.timegrid-day-heading.today .heading-number {
    color: var(--primary);
}

.timegrid-allday {
    border-bottom: 1px solid var(--border-color);
    min-height: 34px;
}

.timegrid-gutter-label {
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
    padding: 8px 8px 0 0;
}

.timegrid-allday-cell {
    border-left: 1px solid var(--border-color);
    padding: 4px;
    min-width: 0;
    cursor: pointer;
}

.timegrid-allday-cell .day-event {
    cursor: pointer;
}

.timegrid-scroll {
    height: min(640px, calc(100vh - 290px));
    min-height: 320px;
    overflow-y: auto;
}

.timegrid-body {
    position: relative;
    height: calc(var(--hour-height) * 24);
}

.timegrid-hours {
    position: relative;
}

.timegrid-hour-label {
    position: absolute;
    right: 8px;
    font-size: 11px;
    color: var(--text-muted);
    transform: translateY(-50%);
}

.timegrid-column {
    position: relative;
    border-left: 1px solid var(--border-color);
    /* One faint line per hour */
    background-image: linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 100% var(--hour-height);
    cursor: pointer;
}

.view-week .timegrid-column.today {
    background-color: var(--primary-soft); /* Only needed to pick today out of a week */
}

.timegrid-event {
    position: absolute;
    padding: 4px 6px;
    border-radius: 6px;
    background-color: var(--event-bg);
    color: var(--event-fg);
    border-left: 3px solid var(--event-solid);
    font-size: 12px;
    line-height: 1.3;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 0 0 1px var(--bg-card); /* Separates overlapping events */
}

.timegrid-event:hover {
    filter: brightness(0.97);
}

.timegrid-event-title {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timegrid-event-meta {
    opacity: 0.85;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timegrid-now-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #ef4444;
    pointer-events: none;
    z-index: 2;
}

.timegrid-now-line::before {
    content: '';
    position: absolute;
    left: -5px;
    top: -4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ef4444;
}

/* --- Modal UI Update --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6); /* Blurred translucent backdrop */
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius);
    width: 100%;
    max-width: 520px;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.modal-content h3 {
    margin-bottom: 16px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.modal-actions .spacer {
    flex: 1;
}

.modal-content button {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-content button.primary-btn {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.modal-content button.primary-btn:hover {
    background-color: var(--primary-hover);
}

.modal-content button.danger-link-btn {
    background: none;
    border: none;
    color: var(--danger);
    padding: 10px 4px;
}

/* Day panel list */
#modal-event-list {
    list-style: none;
}

.modal-event {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
}

.modal-event.clickable {
    cursor: pointer;
    border-radius: 8px;
    padding-left: 8px;
    padding-right: 8px;
}

.modal-event.clickable:hover {
    background-color: var(--bg-main);
}

.modal-event-main {
    display: flex;
    gap: 10px;
    min-width: 0;
}

.event-color-dot {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 6px;
    background-color: var(--event-solid);
}

.modal-event-text {
    min-width: 0;
}

.modal-event-title {
    font-weight: 500;
    overflow-wrap: anywhere;
}

.modal-event-meta {
    display: block;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 2px;
    overflow-wrap: anywhere;
}

.modal-event-time {
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 13px;
    white-space: nowrap;
}

.modal-empty {
    color: var(--text-muted);
    font-size: 14px;
    padding: 4px 0 8px;
}

.modal-section-heading {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding-top: 8px;
}

.modal-task-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.modal-task-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.modal-task.completed .modal-task-label span {
    text-decoration: line-through;
    color: var(--text-muted);
}

.modal-task .priority-badge {
    margin-right: 0;
}

/* Event editor */
#event-panel .event-title-input {
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 14px;
}

.form-row .field {
    flex: 1;
    margin-bottom: 0;
}

.field {
    display: block;
    margin-bottom: 14px;
}

.field > span {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

#event-panel input[type="date"],
#event-panel input[type="time"],
#event-panel input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-main);
    outline: none;
}

#event-panel input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    padding-bottom: 12px;
    white-space: nowrap;
    cursor: pointer;
}

.repeat-options {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    margin: -4px 0 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.inline-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
}

#event-panel .inline-row input[type="number"] {
    width: 72px;
    background-color: var(--bg-card);
}

#event-panel .inline-row input[type="date"] {
    width: auto;
    background-color: var(--bg-card);
}

.inline-row select {
    width: auto;
    padding: 8px 10px;
    font-size: 14px;
    background-color: var(--bg-card);
}

.weekday-picker {
    display: flex;
    gap: 6px;
}

.modal-content .weekday-picker button {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    background-color: var(--bg-card);
}

.modal-content .weekday-picker button.selected {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.color-picker {
    display: flex;
    gap: 10px;
}

.modal-content .color-picker button {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    background-color: var(--event-solid);
}

.modal-content .color-picker button.selected {
    box-shadow: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--event-solid);
}

#event-location {
    margin-bottom: 12px;
}

#event-notes {
    height: 80px;
    margin-top: 0;
}

.form-error {
    color: var(--danger);
    font-size: 14px;
    margin-top: 12px;
}

.scope-prompt {
    margin-top: 16px;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--primary);
    background-color: var(--primary-soft);
}

.scope-prompt p {
    font-weight: 500;
    margin-bottom: 10px;
}

.scope-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* --- Settings Page --- */
.settings-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    max-width: 720px;
}

.settings-help {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.5;
    margin: -8px 0 16px;
}

.theme-options, .backup-actions, .import-confirm-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.theme-btn, .backup-actions button, .file-btn, .import-confirm button {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.file-btn:hover {
    background-color: var(--border-color);
}

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

.import-confirm {
    margin-top: 16px;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--danger);
    background-color: var(--priority-high-bg);
}

.import-confirm p {
    margin-bottom: 12px;
    line-height: 1.5;
}

.import-confirm button.danger-btn {
    background-color: var(--danger);
    border-color: var(--danger);
    color: white;
}

.settings-status {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 12px;
}

/* --- Undo Toast --- */
.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--sidebar-bg);
    color: white;
    padding: 12px 12px 12px 20px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    font-size: 14px;
    z-index: 200;
    animation: fadeIn 0.2s ease;
}

.toast button {
    background: none;
    border: none;
    color: #a5b4fc;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
}

.toast button:hover {
    background-color: var(--sidebar-hover);
}

/* --- Custom Timer Length --- */
.timer-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.timer-custom input[type="number"],
.task-input-container input[type="date"],
.task-item input[type="date"] {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-main);
    outline: none;
}

.timer-custom input[type="number"] {
    width: 80px;
}

.timer-custom input:focus,
.task-input-container input[type="date"]:focus,
.task-item input[type="date"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

#set-custom-timer {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
}

/* --- Task Due Dates, Sorting & Editing --- */
.task-input-container input[type="date"] {
    flex-shrink: 0;
    width: 160px;
    font-size: 15px;
}

.task-sort-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin: -8px 0 12px;
    font-size: 14px;
    color: var(--text-muted);
}

.task-sort-row select {
    width: auto;
    padding: 6px 10px;
    font-size: 14px;
}

.task-due {
    font-size: 12px;
    color: var(--text-muted);
    margin-right: 12px;
    white-space: nowrap;
}

.task-due.due-today {
    color: var(--priority-medium-text);
    font-weight: 600;
}

.task-due.overdue {
    color: var(--danger);
    font-weight: 600;
}

.task-item.editing {
    gap: 10px;
    border-color: var(--primary);
}

.task-item.editing .task-edit-input {
    margin: 0;
}

.task-item.editing .task-edit-priority {
    width: auto;
    padding: 6px 10px;
    font-size: 14px;
}

.task-item.editing input[type="date"] {
    padding: 6px 10px;
}

/* --- Phones & Narrow Windows --- */
@media (max-width: 768px) {
    /* Sidebar becomes a tab bar along the bottom of the screen */
    .sidebar,
    .sidebar.collapsed {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
        flex-direction: row;
    }

    .toggle-btn {
        display: none;
    }

    .nav-links {
        flex-direction: row;
        width: 100%;
        gap: 4px;
    }

    .nav-links li {
        flex: 1;
    }

    .nav-btn {
        flex-direction: column;
        gap: 2px;
        padding: 8px 4px;
        font-size: 11px;
        text-align: center;
    }

    .sidebar.collapsed .nav-links span:last-child {
        display: inline; /* Desktop collapse doesn't apply to the tab bar */
    }

    .nav-btn span:first-child {
        font-size: 20px;
    }

    .content-container {
        padding: 20px 16px 100px; /* Room above the tab bar */
    }

    .dashboard-header h1 {
        font-size: 1.6rem;
    }

    .dashboard-header p {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .dashboard-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }

    .clock-widget {
        grid-column: span 1;
    }

    #digital-clock {
        font-size: 2.8rem;
    }

    .widget {
        padding: 20px;
    }

    .timer-modes, .notepad-controls {
        flex-wrap: wrap;
    }

    .task-input-container {
        flex-wrap: wrap;
    }

    #add-task-btn, #add-habit-btn {
        width: 100%;
    }

    .task-input-container input[type="date"] {
        width: 100%;
    }

    .task-item {
        flex-wrap: wrap;
        row-gap: 8px;
    }

    .task-item.editing .task-edit-input {
        flex-basis: 100%;
    }

    .calendar-grid .day-event.day-task {
        background-color: var(--priority-low-text); /* Green dot in the month grid */
    }

    .task-item {
        padding: 12px 14px;
    }

    .habit-row {
        flex-wrap: wrap;
        gap: 10px;
    }

    .habit-name {
        width: auto;
        flex: 1;
    }

    .habit-days {
        order: 3;
        width: 100%;
        justify-content: space-between;
        gap: 4px;
    }

    .habit-streak {
        width: auto;
    }

    /* Calendar: smaller boxes, events shown as dots */
    .calendar-header h2 {
        order: -1;
        flex-basis: 100%;
        font-size: 1.25rem;
    }

    .calendar-weekdays, .calendar-grid {
        gap: 4px;
    }

    .calendar-weekdays {
        font-size: 11px;
    }

    .day-box {
        padding: 6px;
        border-radius: 8px;
    }

    .day-box:hover {
        transform: none;
    }

    .day-number {
        font-size: 12px;
        margin-bottom: 4px;
    }

    .calendar-grid .day-event {
        display: inline-block;
        width: 6px;
        height: 6px;
        padding: 0;
        margin: 0 2px 0 0;
        border-radius: 50%;
        font-size: 0;
        background-color: var(--event-solid, var(--primary));
    }

    .day-more {
        display: none;
    }

    .timegrid {
        --gutter-width: 44px;
        --hour-height: 44px;
    }

    .timegrid-day-heading .heading-number {
        font-size: 16px;
    }

    .timegrid-event {
        padding: 2px 4px;
        font-size: 11px;
    }

    .view-week .timegrid-event-meta {
        display: none;
    }

    .modal-content {
        margin: 16px;
        padding: 20px;
    }

    .form-row {
        flex-wrap: wrap;
    }

    .toast {
        bottom: calc(84px + env(safe-area-inset-bottom));
        width: calc(100% - 32px);
        justify-content: space-between;
    }
}

/* Elements with their own display value still need to respect the hidden attribute */
[hidden] {
    display: none !important;
}