/* ===== SHARED ===== */

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 16px 72px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.4s, color 0.4s;
}

.page-layout {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 1100px;
  align-items: flex-start;
  padding-top: 40px;
}

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* ===== THEME TOGGLE (shared) ===== */

.theme-toggle {
  position: fixed;
  top: 16px;
  left: 16px;
  width: 52px;
  height: 26px;
  cursor: pointer;
  z-index: 10;
}

.theme-toggle input { display: none }

.slider {
  position: absolute;
  inset: 0;
  background: var(--btn-primary);
  border-radius: 26px;
  transition: background 0.3s;
}

.slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s;
  z-index: 1;
}

.theme-toggle input:checked + .slider { background: var(--text-muted) }
.theme-toggle input:checked + .slider::before { transform: translateX(26px) }

.icon-sun, .icon-moon {
  position: absolute;
  top: 3px;
  width: 16px;
  height: 16px;
  pointer-events: none;
  z-index: 0;
}

.icon-sun { left: 5px; color: #fff }
.icon-moon { right: 5px; color: rgba(255,255,255,0.4) }
.theme-toggle input:checked ~ .icon-sun { color: rgba(255,255,255,0.4) }
.theme-toggle input:checked ~ .icon-moon { color: #fff }

/* ===== STYLE BAR ===== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6px 0 env(safe-area-inset-bottom, 6px);
  box-shadow: var(--shadow);
  z-index: 90;
  transition: background 0.3s, border 0.3s, box-shadow 0.3s;
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 16px;
  border-radius: 12px;
  transition: all 0.25s;
}
.nav-item span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.nav-item:hover {
  color: var(--text);
  background: var(--hover-bg);
}
.nav-item.active {
  color: #fff;
  background: #5e6ad2;
  box-shadow: 0 2px 12px rgba(94, 106, 210, 0.4);
}

.style-bar {
  position: sticky;
  top: 56px;
  width: 108px;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 12px;
  box-shadow: var(--shadow);
  transition: background 0.3s, border 0.3s, box-shadow 0.3s;
}

.style-bar h3 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-align: center;
}

.style-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.style-card {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  background: #b0b0b0;
  color: #6a6a6a;
  border: 2px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.3px;
}

.style-card:hover {
  background: #a0a0a0;
  color: #555;
  transform: scale(1.03);
}

.style-card.active {
  background: #5e6ad2;
  color: #fff;
  border-color: #fff;
  transform: scale(1.06);
  box-shadow: 0 4px 16px rgba(94, 106, 210, 0.4);
}

/* ===== CONTAINER & REPORT ===== */

.container, .report {
  width: 100%;
  max-width: 500px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: background 0.3s, border 0.3s, box-shadow 0.3s, border-radius 0.3s;
}

.report { max-width: 700px }

h1 {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--text);
  font-weight: 600;
}

@keyframes slideDone {
  from { opacity: 1; transform: translateY(0); max-height: 200px }
  to { opacity: 0.3; transform: translateY(30px); max-height: 0; padding: 0; margin: 0 }
}
.task-main.slide-done {
  animation: slideDone 0.5s ease-out forwards;
  overflow: hidden;
}

.input-group {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

input:not(.task-checkbox):not(.theme-toggle input):not(.subtask-checkbox) {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  transition: border 0.2s, background 0.2s;
}

input:focus {
  border-color: var(--btn-primary);
}

button {
  padding: 10px 18px;
  background: var(--btn-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

button:hover { background: var(--btn-primary-hover) }
button:active { transform: scale(0.97) }

ul { list-style: none }

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

#calendarView { display: none }
#calendarView.visible { display: block }

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.cal-header button {
  padding: 4px 12px;
  font-size: 16px;
  background: var(--btn-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.cal-header button:hover { background: var(--btn-secondary-hover) }
#calTitle { font-size: 16px; font-weight: 700; color: var(--text) }

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.cal-weekdays span { padding: 4px 0 }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 16px;
}
.cal-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  border: none;
  position: relative;
  transition: background 0.2s;
}
.cal-day:hover { background: var(--hover-bg) }
.cal-day.other { opacity: 0.3 }
.cal-day.today { font-weight: 700; border: 1px solid var(--btn-primary) }
.cal-day.selected { background: var(--btn-primary); color: #fff }
.cal-day .dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--btn-primary);
  margin-top: 2px;
}

#calTaskList {
  margin-top: 4px;
}
#calTaskList h3 { font-size: 14px; color: var(--text); margin-bottom: 8px; font-weight: 600 }
.cal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.cal-table th {
  font-size: 11px;
  color: var(--text-muted);
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.cal-table-row td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s;
}
.cal-table-row:hover td { background: var(--hover-bg) }
.cal-td-time { color: var(--text-muted); white-space: nowrap }
.cal-td-cat { font-size: 11px; color: var(--text-muted) }

/* ===== PROFILE VIEW ===== */

#profileView { display: none }
#profileView.visible { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 20px 0 }

.profile-stats {
  display: flex;
  gap: 10px;
  width: 100%;
}
.stat-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 8px;
  background: var(--hover-bg);
  border-radius: var(--radius-sm);
}
.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}
.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 4px;
}

.profile-avatar {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--hover-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}
.profile-avatar img[src] { display: block }
.profile-upload {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.5);
  color: #fff;
  text-align: center;
  padding: 4px 0;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
}
.profile-avatar:hover .profile-upload { opacity: 1 }
#profileInput { display: none }
#profileName {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  background: var(--input-bg);
  color: var(--text);
  text-align: center;
  outline: none;
}
#profileBio {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--input-bg);
  color: var(--text);
  resize: vertical;
  outline: none;
}

/* ===== SECTION HEADERS ===== */

.section-header {
  padding: 8px 4px 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  list-style: none;
  border-bottom: 1px solid var(--border);
  margin-top: 8px;
}
.section-header:first-child { margin-top: 0 }

/* ===== CATEGORY FILTER ===== */

#categoryFilter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.cat-filter-btn {
  padding: 4px 12px;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
}
.cat-filter-btn:hover {
  border-color: var(--btn-primary);
}
.cat-filter-btn.active {
  background: var(--btn-primary);
  color: #fff;
  border-color: var(--btn-primary);
}

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

.task-main {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  margin: 0 -12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.task-main:hover { background: var(--hover-bg) }
.task-main + .task-main { border-top: 1px solid var(--border) }

.task-main > .task-checkbox {
  margin-top: 3px;
  cursor: pointer;
  accent-color: var(--btn-primary);
}

.task-content { flex: 1; min-width: 0 }
.task-text { display: block; color: var(--text) }

.task-info-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.created-time { white-space: nowrap }
.task-indicators { white-space: nowrap }

.completed-time { color: var(--completed-color); font-size: 11px; margin-top: 1px }
.task-main.completed .task-text { text-decoration: line-through; opacity: 0.5 }

.edit-btn, .save-btn, .delete-btn {
  padding: 5px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.edit-btn { background: var(--btn-edit) }
.edit-btn:hover { background: var(--btn-edit-hover) }
.save-btn { background: var(--btn-save) }
.save-btn:hover { background: var(--btn-save-hover) }
.delete-btn { background: var(--btn-delete) }
.delete-btn:hover { background: var(--btn-delete-hover) }

.edit-input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

/* ===== POMODORO ===== */

.pomodoro-modal {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.pomodoro-display {
  font-size: 56px;
  font-weight: 700;
  color: var(--text);
  margin: 20px 0 8px;
  letter-spacing: 2px;
}
.pomodoro-phase {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 600;
}
.pomodoro-controls {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}
.pomodoro-controls button {
  padding: 8px 20px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--btn-secondary);
  color: var(--text);
  cursor: pointer;
}
.pomodoro-controls button:hover { background: var(--btn-secondary-hover) }
#pomodoroStart { background: var(--btn-primary); color: #fff; border-color: var(--btn-primary) }
#pomodoroStart:hover { background: var(--btn-primary-hover) }
.pomodoro-settings {
  display: flex;
  gap: 12px;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.pomodoro-settings input {
  width: 50px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--input-bg);
  color: var(--text);
  text-align: center;
  outline: none;
}
.pomodoro-sessions {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ===== MODAL ===== */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 100;
  justify-content: center;
  align-items: flex-start;
  padding: 60px 16px;
}

.modal-overlay.open { display: flex }

.modal {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 18px; color: var(--text); font-weight: 600 }

#modalBack {
  padding: 6px 14px;
  font-size: 13px;
  background: var(--btn-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

#modalBack:hover { background: var(--btn-secondary-hover) }

.modal-body { padding: 20px; overflow-x: hidden }
.modal-task-header { margin-bottom: 16px }

#modalTaskInput {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  background: var(--input-bg);
  color: var(--text);
  margin-bottom: 4px;
  outline: none;
}

.modal-times { font-size: 12px; color: var(--text-muted); padding-left: 2px }

.modal-reminder {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 14px;
  background: var(--hover-bg);
  border-radius: var(--radius-sm);
}

.modal-reminder label { font-size: 13px; color: var(--text); font-weight: 600; white-space: nowrap }

#modalReminder {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

.modal-body h3 { font-size: 14px; color: var(--text); margin-bottom: 10px; font-weight: 600 }

#modalSubtaskList { list-style: none; margin-bottom: 10px }

#modalSubtaskList .subtask-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  font-size: 14px;
}

#modalSubtaskList .subtask-item + .subtask-item { border-top: 1px solid var(--border) }
#modalSubtaskList .subtask-checkbox { margin: 0; cursor: pointer; accent-color: var(--btn-primary) }

#modalSubtaskList .subtask-content {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-width: 0;
}

#modalSubtaskList .subtask-text { color: var(--text) }
#modalSubtaskList .subtask-item.completed .subtask-text { text-decoration: line-through; opacity: 0.5 }
#modalSubtaskList .subtask-times { font-size: 11px; color: var(--text-muted); white-space: nowrap; margin-left: 8px }

.category-row {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
  overflow: hidden;
}

#modalCategory {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  cursor: pointer;
}

#categoryNewInput {
  display: none;
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

.task-cat {
  display: inline-block;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: 8px;
  background: var(--btn-secondary);
  color: var(--text-muted);
  margin-top: 2px;
}

#modalSubtaskList .subtask-delete {
  padding: 2px 8px;
  font-size: 12px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

#modalSubtaskList .subtask-delete:hover { color: var(--btn-delete); background: var(--hover-bg) }

.modal-body .subtask-input-row { display: flex; gap: 6px }

#modalSubtaskInput {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

#modalSubtaskAdd {
  padding: 8px 16px;
  font-size: 16px;
  background: var(--btn-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

#modalSubtaskAdd:hover { background: var(--btn-primary-hover) }

/* ===== REPORT TABLE ===== */

.report h2 { font-size: 18px; margin-bottom: 12px; color: var(--text); font-weight: 600 }

#reportTable { width: 100%; border-collapse: collapse; font-size: 13px }

#reportTable th, #reportTable td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

#reportTable th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.duration-completed { color: var(--completed-color); font-weight: 500 }
.duration-pending { color: var(--text-muted) }

#reportBody .subtask-row td:first-child { padding-left: 24px; font-size: 12px; color: var(--text-muted) }
#reportBody .subtask-row td { font-size: 12px }

/* ================================================================
   STYLE: APPLE
   ================================================================ */

[data-style="apple"] {
  --bg: #f5f5f7;
  --surface: rgba(255,255,255,0.85);
  --text: #1d1d1f;
  --text-muted: #86868b;
  --border: rgba(0,0,0,0.06);
  --shadow: 0 0 0 1px rgba(0,0,0,0.03), 0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.12);
  --radius: 14px;
  --radius-sm: 10px;
  --btn-primary: #0071e3;
  --btn-primary-hover: #0077ed;
  --btn-secondary: rgba(0,0,0,0.04);
  --btn-secondary-hover: rgba(0,0,0,0.08);
  --btn-edit: #ff9f0a;
  --btn-edit-hover: #e08e00;
  --btn-save: #34c759;
  --btn-save-hover: #28a745;
  --btn-delete: #ff3b30;
  --btn-delete-hover: #d32f2f;
  --completed-color: #34c759;
  --hover-bg: rgba(0,0,0,0.035);
  --input-bg: rgba(255,255,255,0.7);
  --overlay-bg: rgba(0,0,0,0.3);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

[data-style="apple"].dark {
  --bg: #1c1c1e;
  --surface: rgba(44,44,46,0.85);
  --text: #f5f5f7;
  --text-muted: #8e8e93;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 2px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.4);
  --btn-primary: #0a84ff;
  --btn-primary-hover: #409cff;
  --btn-secondary: rgba(255,255,255,0.06);
  --btn-secondary-hover: rgba(255,255,255,0.1);
  --hover-bg: rgba(255,255,255,0.05);
  --input-bg: rgba(255,255,255,0.06);
  --overlay-bg: rgba(0,0,0,0.5);
}

/* ================================================================
   STYLE: STRIPE
   ================================================================ */

[data-style="stripe"] {
  --bg: #f7f7f9;
  --surface: #fff;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-sm: 6px;
  --btn-primary: #635bff;
  --btn-primary-hover: #5850ec;
  --btn-secondary: #f3f4f6;
  --btn-secondary-hover: #e5e7eb;
  --btn-edit: #f59e0b;
  --btn-edit-hover: #d97706;
  --btn-save: #10b981;
  --btn-save-hover: #059669;
  --btn-delete: #ef4444;
  --btn-delete-hover: #dc2626;
  --completed-color: #10b981;
  --hover-bg: #f9fafb;
  --input-bg: #fff;
  --overlay-bg: rgba(0,0,0,0.3);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-style="stripe"].dark {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
  --btn-primary: #818cf8;
  --btn-primary-hover: #6366f1;
  --btn-secondary: #1e293b;
  --btn-secondary-hover: #334155;
  --hover-bg: #1e293b;
  --input-bg: #1e293b;
  --overlay-bg: rgba(0,0,0,0.6);
}

/* ================================================================
   STYLE: LINEAR
   ================================================================ */

[data-style="linear"] {
  --bg: #f5f5f5;
  --surface: #fff;
  --text: #1a1a1a;
  --text-muted: #6e6e6e;
  --border: #e6e6e6;
  --shadow: 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --radius: 8px;
  --radius-sm: 6px;
  --btn-primary: #5e6ad2;
  --btn-primary-hover: #4f5bd5;
  --btn-secondary: #f0f0f0;
  --btn-secondary-hover: #e6e6e6;
  --btn-edit: #f5a623;
  --btn-edit-hover: #d4921d;
  --btn-save: #2e7d32;
  --btn-save-hover: #1b5e20;
  --btn-delete: #d32f2f;
  --btn-delete-hover: #b71c1c;
  --completed-color: #2e7d32;
  --hover-bg: #f9f9f9;
  --input-bg: #fff;
  --overlay-bg: rgba(0,0,0,0.25);
  font-family: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
}

[data-style="linear"].dark {
  --bg: #0d0d0d;
  --surface: #1a1a1a;
  --text: #e0e0e0;
  --text-muted: #6e6e6e;
  --border: #2a2a2a;
  --shadow: 0 0 0 1px rgba(255,255,255,0.03);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
  --btn-primary: #5e6ad2;
  --btn-primary-hover: #6b77e0;
  --btn-secondary: #222;
  --btn-secondary-hover: #2a2a2a;
  --hover-bg: #222;
  --input-bg: #1a1a1a;
  --overlay-bg: rgba(0,0,0,0.7);
}

/* ================================================================
   STYLE: NOTION
   ================================================================ */

[data-style="notion"] {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #37352f;
  --text-muted: #9b9a97;
  --border: #e9e9e7;
  --shadow: none;
  --shadow-lg: 0 0 0 1px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
  --radius: 4px;
  --radius-sm: 3px;
  --btn-primary: #37352f;
  --btn-primary-hover: #2f2f2b;
  --btn-secondary: #f7f6f3;
  --btn-secondary-hover: #efeeeb;
  --btn-edit: #e16259;
  --btn-edit-hover: #c94f47;
  --btn-save: #448361;
  --btn-save-hover: #3a7052;
  --btn-delete: #e16259;
  --btn-delete-hover: #c94f47;
  --completed-color: #448361;
  --hover-bg: rgba(55,53,47,0.05);
  --input-bg: #f7f6f3;
  --overlay-bg: rgba(0,0,0,0.2);
  font-family: "SF UI Display", "Segoe UI", -apple-system, "Noto Sans", sans-serif;
}

[data-style="notion"].dark {
  --bg: #191919;
  --surface: #191919;
  --text: #e0e0e0;
  --text-muted: #6e6e6e;
  --border: #2a2a2a;
  --shadow: none;
  --shadow-lg: 0 0 0 1px rgba(255,255,255,0.03), 0 4px 16px rgba(0,0,0,0.3);
  --btn-primary: #e0e0e0;
  --btn-primary-hover: #ccc;
  --btn-secondary: #2a2a2a;
  --btn-secondary-hover: #333;
  --hover-bg: rgba(255,255,255,0.05);
  --input-bg: #2a2a2a;
  --overlay-bg: rgba(0,0,0,0.6);
}

/* ================================================================
   STYLE: GLASSMORPHISM
   ================================================================ */

[data-style="glass"] {
  --bg: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
  --surface: rgba(255,255,255,0.15);
  --text: #1a1a2e;
  --text-muted: rgba(26,26,46,0.55);
  --border: rgba(255,255,255,0.25);
  --shadow: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --btn-primary: rgba(0,123,255,0.7);
  --btn-primary-hover: rgba(0,123,255,0.9);
  --btn-secondary: rgba(255,255,255,0.12);
  --btn-secondary-hover: rgba(255,255,255,0.2);
  --btn-edit: rgba(255,193,7,0.7);
  --btn-edit-hover: rgba(255,193,7,0.9);
  --btn-save: rgba(40,167,69,0.7);
  --btn-save-hover: rgba(40,167,69,0.9);
  --btn-delete: rgba(220,53,69,0.7);
  --btn-delete-hover: rgba(220,53,69,0.9);
  --completed-color: #28a745;
  --hover-bg: rgba(255,255,255,0.1);
  --input-bg: rgba(255,255,255,0.3);
  --overlay-bg: rgba(0,0,0,0.25);
  backdrop-filter: blur(0px);
}

[data-style="glass"].dark {
  --bg: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  --surface: rgba(255,255,255,0.06);
  --text: #e0e0e0;
  --text-muted: rgba(224,224,224,0.4);
  --border: rgba(255,255,255,0.08);
  --shadow: 0 8px 32px rgba(0,0,0,0.25);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.35);
  --btn-primary: rgba(0,123,255,0.55);
  --btn-primary-hover: rgba(0,123,255,0.8);
  --btn-secondary: rgba(255,255,255,0.06);
  --btn-secondary-hover: rgba(255,255,255,0.1);
  --btn-edit: rgba(255,193,7,0.55);
  --btn-edit-hover: rgba(255,193,7,0.8);
  --btn-save: rgba(40,167,69,0.55);
  --btn-save-hover: rgba(40,167,69,0.8);
  --btn-delete: rgba(220,53,69,0.55);
  --btn-delete-hover: rgba(220,53,69,0.8);
  --hover-bg: rgba(255,255,255,0.04);
  --input-bg: rgba(255,255,255,0.06);
}

[data-style="glass"] .container,
[data-style="glass"] .report,
[data-style="glass"] .style-bar,
[data-style="glass"] .modal {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ================================================================
   STYLE: NEUMORPHISM
   ================================================================ */

[data-style="neomorph"] {
  --bg: #e0e5ec;
  --surface: #e0e5ec;
  --text: #2d4059;
  --text-muted: #a3b1c6;
  --border: transparent;
  --radius: 16px;
  --radius-sm: 12px;
  --btn-primary: #2d4059;
  --btn-primary-hover: #364f6b;
  --btn-secondary: #e0e5ec;
  --btn-secondary-hover: #d4d9e3;
  --btn-edit: #e8a838;
  --btn-edit-hover: #d4921d;
  --btn-save: #2e8b57;
  --btn-save-hover: #1b6b3a;
  --btn-delete: #c94f4f;
  --btn-delete-hover: #b03a3a;
  --completed-color: #2e8b57;
  --hover-bg: #d4d9e3;
  --input-bg: #e0e5ec;
  --overlay-bg: rgba(0,0,0,0.15);
  font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-style="neomorph"].dark {
  --bg: #1a1a2e;
  --surface: #1a1a2e;
  --text: #e0e0e0;
  --text-muted: #6e6e8a;
  --border: transparent;
  --btn-primary: #6c63ff;
  --btn-primary-hover: #7b73ff;
  --btn-secondary: #1a1a2e;
  --btn-secondary-hover: #222244;
  --hover-bg: #222244;
  --input-bg: #1a1a2e;
}

[data-style="neomorph"] .container,
[data-style="neomorph"] .report,
[data-style="neomorph"] .style-bar,
[data-style="neomorph"] .bottom-nav,
[data-style="neomorph"] .modal,
[data-style="neomorph"] .pomodoro-modal {
  box-shadow: 9px 9px 16px rgba(163,177,198,0.6), -9px -9px 16px rgba(255,255,255,0.8);
  border: none;
}

[data-style="neomorph"].dark .container,
[data-style="neomorph"].dark .report,
[data-style="neomorph"].dark .style-bar,
[data-style="neomorph"].dark .bottom-nav,
[data-style="neomorph"].dark .modal,
[data-style="neomorph"].dark .pomodoro-modal {
  box-shadow: 9px 9px 16px rgba(0,0,0,0.4), -9px -9px 16px rgba(255,255,255,0.03);
}

[data-style="neomorph"] .task-main:hover {
  box-shadow: inset 3px 3px 6px rgba(163,177,198,0.5), inset -3px -3px 6px rgba(255,255,255,0.7);
  background: transparent;
}

[data-style="neomorph"].dark .task-main:hover {
  box-shadow: inset 3px 3px 6px rgba(0,0,0,0.4), inset -3px -3px 6px rgba(255,255,255,0.03);
  background: transparent;
}

[data-style="neomorph"] .edit-btn,
[data-style="neomorph"] .save-btn,
[data-style="neomorph"] .delete-btn,
[data-style="neomorph"] #modalBack,
[data-style="neomorph"] button:not(.style-card):not(.subtask-delete) {
  box-shadow: 4px 4px 8px rgba(163,177,198,0.5), -4px -4px 8px rgba(255,255,255,0.7);
  border: none;
}

[data-style="neomorph"].dark .edit-btn,
[data-style="neomorph"].dark .save-btn,
[data-style="neomorph"].dark .delete-btn,
[data-style="neomorph"].dark #modalBack,
[data-style="neomorph"].dark button:not(.style-card):not(.subtask-delete) {
  box-shadow: 4px 4px 8px rgba(0,0,0,0.3), -4px -4px 8px rgba(255,255,255,0.03);
}

[data-style="neomorph"] button:active:not(.style-card):not(.subtask-delete) {
  box-shadow: inset 4px 4px 8px rgba(163,177,198,0.5), inset -4px -4px 8px rgba(255,255,255,0.7);
}

[data-style="neomorph"].dark button:active:not(.style-card):not(.subtask-delete) {
  box-shadow: inset 4px 4px 8px rgba(0,0,0,0.3), inset -4px -4px 8px rgba(255,255,255,0.03);
}

[data-style="neomorph"] input:not(.task-checkbox):not(.theme-toggle input):not(.subtask-checkbox) {
  box-shadow: inset 4px 4px 8px rgba(163,177,198,0.5), inset -4px -4px 8px rgba(255,255,255,0.7);
  border: none;
}

[data-style="neomorph"].dark input:not(.task-checkbox):not(.theme-toggle input):not(.subtask-checkbox) {
  box-shadow: inset 4px 4px 8px rgba(0,0,0,0.3), inset -4px -4px 8px rgba(255,255,255,0.03);
}

/* ===== CUSTOM REMINDER PICKERS ===== */

.reminder-pickers {
  display: flex;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

#reminderDateDisplay,
#reminderTimeDisplay {
  flex: 1;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--input-bg);
  color: var(--text);
  cursor: pointer;
  text-align: center;
  outline: none;
  transition: border 0.2s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#reminderDateDisplay:focus,
#reminderTimeDisplay:focus {
  border-color: var(--btn-primary);
}

#reminderClear {
  padding: 4px 10px;
  font-size: 12px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

#reminderClear:hover {
  color: var(--btn-delete);
  background: var(--hover-bg);
}

/* ===== REPEAT ===== */

.modal-repeat {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px;
  background: var(--hover-bg);
  border-radius: var(--radius-sm);
}

.modal-repeat label {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

#repeatSelect {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  cursor: pointer;
}

/* ===== NOTES ===== */

.modal-notes {
  margin-top: 12px;
}

.modal-notes label {
  display: block;
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 6px;
}

#notesText {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  resize: vertical;
  min-height: 60px;
}

#notesText:focus {
  border-color: var(--btn-primary);
}

/* ===== ATTACHMENTS ===== */

.modal-attachments {
  margin-top: 12px;
}

.modal-attachments label {
  display: block;
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 6px;
}

.attach-row {
  display: flex;
  gap: 6px;
}

#fileInput {
  flex: 1;
  font-size: 12px;
  color: var(--text);
  padding: 6px 0;
}

#fileInput::file-selector-button {
  padding: 6px 12px;
  background: var(--btn-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  margin-right: 8px;
}

#attachBtn {
  padding: 6px 14px;
  font-size: 12px;
  background: var(--btn-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

#attachBtn:hover {
  background: var(--btn-primary-hover);
}

#attachList {
  list-style: none;
  margin-top: 6px;
}

.attach-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text);
  border-radius: 6px;
}

.attach-item:hover {
  background: var(--hover-bg);
}

.attach-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attach-remove {
  padding: 2px 6px;
  font-size: 11px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.attach-remove:hover {
  color: var(--btn-delete);
  background: var(--hover-bg);
}

.attach-name {
  cursor: pointer;
}
.attach-name:hover {
  text-decoration: underline;
}

.preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  cursor: zoom-out;
}
.preview-image {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

/* ===== DATE PICKER ===== */

.picker-overlay {
  display: none;
  margin-top: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: var(--shadow);
}

.picker-overlay.open {
  display: block;
}

.picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.picker-header button {
  padding: 4px 10px;
  font-size: 16px;
  background: var(--btn-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.picker-header button:hover {
  background: var(--btn-secondary-hover);
}

#pickerTitle {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.picker-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.picker-weekdays span {
  padding: 4px 0;
}

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

.picker-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text);
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.15s;
}

.picker-day:hover {
  background: var(--hover-bg);
}

.picker-day.other-month {
  color: var(--text-muted);
  opacity: 0.35;
}

.picker-day.today {
  font-weight: 700;
  border: 1px solid var(--btn-primary);
}

.picker-day.selected {
  background: var(--btn-primary);
  color: #fff;
}

/* ===== CLOCK PICKER ===== */

.clock-overlay {
  display: none;
  margin-top: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow);
}

.clock-overlay.open {
  display: block;
}

.clock-face {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
}

.clock-num {
  position: absolute;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  user-select: none;
  transform: translate(-50%, -50%);
}

.clock-num:hover {
  background: var(--hover-bg);
}

.clock-num.active {
  background: var(--btn-primary);
  color: #fff;
  transform: translate(-50%, -50%) scale(1.15);
}

.clock-ampm {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 4px;
}

.clock-ampm button {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  background: var(--btn-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.clock-ampm button.active {
  background: var(--btn-primary);
  color: #fff;
  border-color: var(--btn-primary);
}

.clock-label {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 720px) {
  .page-layout { flex-direction: column; align-items: center }
  .style-bar {
    position: static;
    width: 100%;
    max-width: 500px;
  }
  .style-bar h3 { text-align: center }
  .style-cards {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .style-card {
    width: 64px;
    height: 64px;
    font-size: 10px;
  }
}