:root {
  --bg: #f0f2f8;
  --card: #ffffff;
  --input-bg: #f0f2f8;
  --text: #1a1a2e;
  --muted: #6b7289;
  --line: #e2e6ef;
  --primary: #5b5ef7;
  --primary-hover: #4a4de6;
  --primary-soft: #ededfe;
  --alert: #ff6b4a;
  --alert-soft: #fff0ec;
  --success: #22a06b;
  --success-soft: #e8f7f0;
  --today: #f59e0b;
  --today-soft: #fff7ed;
  --tomorrow: #5b5ef7;
  --tomorrow-soft: #ededfe;
  --week: #0ea5e9;
  --week-soft: #e8f6fd;
  --later: #22a06b;
  --later-soft: #e8f7f0;
  --shadow: 0 2px 8px rgba(26, 26, 46, 0.06);
  --radius: 16px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

[data-theme="dark"] {
  --bg: #12121f;
  --card: #1e1e32;
  --input-bg: #16162a;
  --text: #eef0f8;
  --muted: #9aa3b8;
  --line: #2f3350;
  --primary: #7b7eff;
  --primary-hover: #6a6df0;
  --primary-soft: #2a2a50;
  --alert: #ff8a70;
  --alert-soft: #3a2520;
  --success: #3ecf8e;
  --success-soft: #1a3a2c;
  --today: #fbbf24;
  --today-soft: #3a2f14;
  --tomorrow: #7b7eff;
  --tomorrow-soft: #2a2a50;
  --week: #38bdf8;
  --week-soft: #143040;
  --later: #3ecf8e;
  --later-soft: #1a3a2c;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100dvh;
  padding-bottom: calc(24px + var(--safe-bottom));
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-top: 8px;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(91, 94, 247, 0.32));
}

.brand-text {
  min-width: 0;
}

.brand-name {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
}

.brand-tagline {
  margin: 4px 0 0;
  font-size: 0.68rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-flex;
  cursor: pointer;
  user-select: none;
}

.theme-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-toggle-track {
  width: 52px;
  height: 28px;
  border-radius: 999px;
  background: var(--line);
  border: 2px solid var(--line);
  position: relative;
  transition: background 0.25s ease, border-color 0.25s ease;
  display: grid;
  align-items: center;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease;
  z-index: 2;
}

.theme-toggle-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.72rem;
  line-height: 1;
  z-index: 1;
  transition: opacity 0.2s ease;
}

.theme-toggle-icon-sun {
  left: 7px;
  opacity: 1;
}

.theme-toggle-icon-moon {
  right: 7px;
  opacity: 0.45;
}

.theme-toggle input:checked + .theme-toggle-track {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.theme-toggle input:checked + .theme-toggle-track .theme-toggle-thumb {
  transform: translateX(24px);
  background: var(--primary);
}

.theme-toggle input:checked + .theme-toggle-track .theme-toggle-icon-sun {
  opacity: 0.45;
}

.theme-toggle input:checked + .theme-toggle-track .theme-toggle-icon-moon {
  opacity: 1;
}

h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
}

.icon-btn.enabled {
  color: var(--primary);
  background: var(--primary-soft);
}

.icon-btn.disabled-state {
  color: var(--alert);
  background: var(--alert-soft);
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 4px 20px rgba(26, 26, 46, 0.06);
  margin-bottom: 24px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.field span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
}

.field-suggest {
  position: relative;
}

.suggest-wrap {
  position: relative;
}

.suggestion-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 20;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  box-shadow: 0 10px 28px rgba(26, 26, 46, 0.12);
  max-height: 220px;
  overflow-y: auto;
}

.suggestion-list[hidden] {
  display: none;
}

.suggestion-label {
  padding: 6px 10px 4px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.suggestion-row {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.suggestion-pick {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex: 1;
  min-width: 0;
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  background: transparent;
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.suggestion-row:hover .suggestion-pick,
.suggestion-pick.active {
  background: var(--primary-soft);
}

.suggestion-remove {
  width: 34px;
  flex-shrink: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.suggestion-remove:hover {
  background: var(--alert-soft);
  color: var(--alert);
}

.suggestion-text {
  min-width: 0;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.3;
  word-break: break-word;
}

.suggestion-text mark {
  background: transparent;
  color: var(--primary);
  font-weight: 700;
  padding: 0;
}

.suggestion-meta {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
}

input,
select {
  font: inherit;
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 1rem;
  background-color: var(--input-bg);
  color: var(--text);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--card);
}

input.input-error {
  border-color: var(--alert);
  background-color: var(--alert-soft);
}

[data-theme="dark"] select {
  color-scheme: dark;
}

.datetime-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.field-compact {
  margin-bottom: 0;
}

.time-select-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 6px;
  align-items: center;
}

.time-select-row select {
  min-width: 0;
  padding: 14px 28px 14px 10px;
  text-align: center;
  text-align-last: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7289' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  box-shadow: inset 0 0 0 1px transparent;
}

[data-theme="dark"] .time-select-row select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239aa3b8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
}

.time-colon {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--muted);
  line-height: 1;
}

.adjust-block {
  margin-bottom: 14px;
}

.adjust-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 8px;
}

.shift-row {
  display: flex;
  gap: 4px;
  align-items: stretch;
}

.shift-btn {
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 0;
  font-weight: 600;
  line-height: 1.1;
  min-height: 34px;
  background: var(--input-bg);
  color: var(--text);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.shift-btn-sm {
  flex: 0.72;
  font-size: 0.66rem;
}

.shift-btn-lg {
  flex: 1.2;
  font-size: 0.8rem;
  font-weight: 700;
}

.shift-btn-plus {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.shift-btn-plus.shift-btn-lg {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.shift-btn-minus {
  background: var(--alert-soft);
  border-color: rgba(255, 107, 74, 0.45);
  color: var(--alert);
}

.shift-btn-minus.shift-btn-lg {
  border-width: 2px;
}

.shift-btn:hover {
  transform: translateY(-1px);
}

.shift-btn-plus:hover {
  background: var(--primary);
  color: #fff;
}

.shift-btn-minus:hover {
  border-color: var(--alert);
}

[data-theme="dark"] .shift-btn-sm {
  background: var(--card);
  border-color: var(--line);
  color: var(--muted);
}

[data-theme="dark"] .shift-btn-plus {
  background: #2d2d55;
  border-color: var(--primary);
  color: #c4c5ff;
}

[data-theme="dark"] .shift-btn-plus.shift-btn-lg {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

[data-theme="dark"] .shift-btn-minus {
  background: #3a2520;
  border-color: rgba(255, 138, 112, 0.5);
  color: #ffb5a3;
}

[data-theme="dark"] .shift-btn-plus:hover {
  background: var(--primary-hover);
  color: #fff;
}

button {
  font: inherit;
  cursor: pointer;
}

.primary-btn {
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 16px;
  font-size: 1rem;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  min-height: 52px;
}

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

.primary-btn:active {
  transform: scale(0.98);
}

.section {
  margin-bottom: 24px;
}

.section-muted .reminder-card {
  opacity: 0.85;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 8px;
}

.badge {
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.badge-alert {
  background: var(--alert-soft);
  color: var(--alert);
}

.badge-muted {
  background: var(--line);
  color: var(--muted);
}

.badge-today {
  background: var(--today-soft);
  color: var(--today);
}

.badge-tomorrow {
  background: var(--tomorrow-soft);
  color: var(--tomorrow);
}

.badge-week {
  background: var(--week-soft);
  color: var(--week);
}

.badge-later {
  background: var(--later-soft);
  color: var(--later);
}

.upcoming-area {
  margin-bottom: 24px;
}

.upcoming-group {
  border-left: 4px solid transparent;
  padding-left: 10px;
}

.upcoming-group-today {
  border-left-color: var(--today);
}

.upcoming-group-tomorrow {
  border-left-color: var(--tomorrow);
}

.upcoming-group-week {
  border-left-color: var(--week);
}

.upcoming-group-later {
  border-left-color: var(--later);
}

.upcoming-group .section-head h2 {
  font-size: 0.95rem;
}

.upcoming-group-today .section-head h2 {
  color: var(--today);
}

.upcoming-group-tomorrow .section-head h2 {
  color: var(--tomorrow);
}

.upcoming-group-week .section-head h2 {
  color: var(--week);
}

.upcoming-group-later .section-head h2 {
  color: var(--later);
}

.reminder-card.cat-today {
  border-color: rgba(245, 158, 11, 0.45);
  background: var(--today-soft);
}

.reminder-card.cat-today .due-display {
  color: var(--today);
}

.reminder-card.cat-tomorrow {
  border-color: rgba(91, 94, 247, 0.45);
  background: var(--tomorrow-soft);
}

.reminder-card.cat-tomorrow .due-display {
  color: var(--tomorrow);
}

.reminder-card.cat-week {
  border-color: rgba(14, 165, 233, 0.45);
  background: var(--week-soft);
}

.reminder-card.cat-week .due-display {
  color: var(--week);
}

.reminder-card.cat-later {
  border-color: rgba(34, 160, 107, 0.4);
  background: var(--later-soft);
}

.reminder-card.cat-later .due-display {
  color: var(--later);
}

.text-btn {
  border: none;
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 4px 8px;
}

.reminder-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.reminder-card {
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 1px 6px rgba(26, 26, 46, 0.05);
  border: 1.5px solid var(--line);
  overflow: hidden;
}

.reminder-card.overdue {
  border-color: rgba(255, 107, 74, 0.55);
  background: var(--alert-soft);
}

.reminder-card.done {
  border-color: rgba(34, 160, 107, 0.45);
  background: var(--success-soft);
}

.reminder-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  border: none;
  background: transparent;
  text-align: left;
  padding: 9px 10px;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.reminder-head-main {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.reminder-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  word-break: break-word;
  flex: 1;
  min-width: 0;
}

.due-display {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  text-align: right;
  line-height: 1.25;
  white-space: nowrap;
  flex-shrink: 0;
}

.reminder-card.overdue .due-display {
  color: var(--alert);
}

.reminder-card.done .due-display {
  color: var(--success);
}

.expand-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-right: 2px;
}

.reminder-card.expanded .expand-chevron {
  transform: rotate(45deg);
  margin-top: -3px;
}

.card-actions {
  display: none;
  padding: 0 8px 8px;
  border-top: 1px solid var(--line);
}

.reminder-card.expanded .card-actions {
  display: block;
}

.due-sub {
  margin: 8px 0 6px;
  font-size: 0.75rem;
  color: var(--muted);
}

.reminder-card .shift-row {
  margin-bottom: 6px;
}

.done-btn {
  width: 100%;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--success);
  color: #fff;
}

.done-btn-compact {
  min-height: 34px;
  padding: 8px;
  font-size: 0.8rem;
}

.done-btn-outline {
  background: transparent;
  color: var(--success);
  border: 1.5px solid var(--success);
}

.reactivate-btn {
  width: 100%;
  border: 1.5px solid var(--primary);
  border-radius: 8px;
  padding: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary);
}

.reactivate-btn-compact {
  min-height: 32px;
}

.section-history {
  margin-bottom: 32px;
}

.history-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 14px 16px;
  color: var(--text);
  box-shadow: 0 2px 12px rgba(26, 26, 46, 0.04);
}

.history-toggle strong {
  margin-right: 8px;
}

.history-toggle .chevron {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
}

.history-toggle.open .chevron {
  transform: rotate(180deg);
}

.history-panel {
  margin-top: 10px;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 20px 12px;
  line-height: 1.5;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + var(--safe-bottom));
  transform: translateX(-50%) translateY(12px);
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 100;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

body.dialog-open {
  overflow: hidden;
}

.notify-dialog {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 20px;
}

.notify-dialog[hidden] {
  display: none;
}

.notify-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 24, 0.55);
  backdrop-filter: blur(3px);
}

.notify-dialog-panel {
  position: relative;
  width: min(420px, 100%);
  background: var(--card);
  border-radius: 18px;
  padding: 22px 20px 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
  border: 1.5px solid var(--line);
}

.notify-dialog-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}

.notify-dialog-icon svg {
  width: 24px;
  height: 24px;
}

.notify-dialog-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
}

.notify-dialog-desc {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--muted);
}

.notify-steps {
  margin: 0 0 16px;
  padding-left: 1.2rem;
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text);
}

.notify-steps li {
  padding-left: 2px;
}

.notify-dialog-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.dialog-btn {
  flex: 1;
  min-width: 120px;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
}

.dialog-btn-secondary {
  background: var(--input-bg);
  color: var(--text);
  border: 1.5px solid var(--line);
}

.dialog-btn-primary {
  background: var(--primary);
  color: #fff;
}

.dialog-btn-primary:hover {
  background: var(--primary-hover);
}

@media (min-width: 480px) {
  .app {
    padding-top: 24px;
  }
}