:root {
  --bg-ink: #0f172a;
  --bg-paper: #f3efe8;
  --panel: #fffaf2;
  --panel-soft: #f4e8d8;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --accent: #0f766e;
  --accent-deep: #115e59;
  --line: #d6c4ad;
  --danger: #b42318;
  --ok: #15803d;
  --focus: #1d4ed8;
  --shadow: 0 12px 28px rgba(28, 20, 11, 0.14);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 20%, rgba(15, 118, 110, 0.18) 0, transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(15, 118, 110, 0.14) 0, transparent 36%),
    var(--bg-paper);
  color: var(--text-main);
  font-family: "DM Sans", "Segoe UI", sans-serif;
}

body[data-theme="light"] {
  --bg-paper: #f3efe8;
  --panel: #fffaf2;
  --panel-soft: #f4e8d8;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --line: #d6c4ad;
  --accent: #0f766e;
  --accent-deep: #115e59;
  --danger: #b42318;
  --ok: #15803d;
  --shadow: 0 12px 28px rgba(28, 20, 11, 0.14);
  color-scheme: light;
}

body[data-theme="dark"] {
  --bg-paper: #0f1216;
  --panel: #171b21;
  --panel-soft: #1b222b;
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --line: #2f3a46;
  --accent: #2dd4bf;
  --accent-deep: #14b8a6;
  --danger: #f87171;
  --ok: #4ade80;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.42);
  color-scheme: dark;
  background:
    radial-gradient(circle at 8% 20%, rgba(45, 212, 191, 0.16) 0, transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(52, 211, 153, 0.12) 0, transparent 36%),
    var(--bg-paper);
}

body[data-theme="dark"] .filters-panel input,
body[data-theme="dark"] .filters-panel select,
body[data-theme="dark"] .task-form input,
body[data-theme="dark"] .task-form select,
body[data-theme="dark"] .task-form textarea,
body[data-theme="dark"] .inline-form input,
body[data-theme="dark"] .secondary-btn,
body[data-theme="dark"] .task-card,
body[data-theme="dark"] .list-item,
body[data-theme="dark"] .settings-card,
body[data-theme="dark"] .task-row {
  background: #12161b;
  color: var(--text-main);
  border-color: var(--line);
}

.is-hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(440px, 96vw);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 16px;
  padding: 1rem;
}

.login-form {
  display: grid;
  gap: 0.65rem;
}

.login-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
}

.login-error {
  min-height: 1.25rem;
  margin: 0.6rem 0 0;
  color: var(--danger);
  font-size: 0.86rem;
}

.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(8, 10, 14, 0.68);
  backdrop-filter: blur(6px) saturate(120%);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.confirm-overlay[hidden] {
  display: none;
}

.confirm-dialog {
  width: min(460px, 96vw);
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text-main);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.confirm-dialog h2 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
}

.confirm-dialog p {
  margin: 0;
  color: var(--text-muted);
}

.confirm-actions {
  margin-top: 0.95rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.app-shell {
  display: grid;
  grid-template-columns: 246px 1fr;
  min-height: 100vh;
  transition: grid-template-columns 220ms ease;
  min-width: 0;
}

.sidebar {
  padding: 1.1rem 0.9rem;
  background: linear-gradient(170deg, #131b34, #0e2b3b);
  color: #f9fafb;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: opacity 180ms ease, transform 220ms ease;
  overflow: hidden;
}

.app-shell.is-sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.app-shell.is-sidebar-collapsed .sidebar {
  opacity: 0;
  transform: translateX(-16px);
  pointer-events: none;
}

.sidebar-top {
  min-height: 45%;
}

.sidebar-hide-btn {
  width: 100%;
  margin-bottom: 0.7rem;
}

.layout-toggle {
  width: 100%;
  margin-bottom: 0.7rem;
}

.sidebar-bottom {
  min-height: 55%;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
}

.app-title {
  margin: 0;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  letter-spacing: 0.04em;
}

.app-subtitle {
  margin: 0.3rem 0 1.2rem;
  opacity: 0.76;
  font-size: 0.9rem;
}

.sync-status {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  border-radius: 999px;
  padding: 0.25rem 0.55rem;
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
}

.sync-status.is-online {
  color: #d1fae5;
  border: 1px solid rgba(16, 185, 129, 0.5);
}

.sync-status.is-offline {
  color: #fde68a;
  border: 1px solid rgba(234, 179, 8, 0.5);
}

.tab-nav {
  display: grid;
  gap: 0.6rem;
}

.tab-btn {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.62rem 0.75rem;
  border-radius: 10px;
  text-align: left;
  font-weight: 600;
  cursor: pointer;
  transition: transform 170ms ease, background 170ms ease, border-color 170ms ease;
}

.tab-btn:hover {
  transform: translateX(4px);
  background: rgba(255, 255, 255, 0.13);
}

.tab-btn.is-active {
  background: linear-gradient(135deg, #7ee6d8, var(--accent));
  border-color: #7ee6d8;
  color: #042f2e;
}

.filters-title {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92rem;
}

.filters-panel {
  display: grid;
  gap: 0.75rem;
}

.filters-panel > * {
  width: 100%;
}

.filters-panel label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
}

input,
select,
textarea,
button {
  font: inherit;
}

.filters-panel input,
.filters-panel select,
.task-form input,
.task-form select,
.task-form textarea,
.inline-form input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  background: #fff;
  width: 100%;
}

.filters-panel .secondary-btn {
  width: 100%;
}

.main-content {
  padding: 1.2rem;
  overflow: hidden;
  position: relative;
  min-width: 0;
}

.sidebar-toggle {
  position: absolute;
  top: 0.45rem;
  left: 0.35rem;
  z-index: 5;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text-main);
  padding: 0.32rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.app-shell:not(.is-sidebar-collapsed) .sidebar-toggle {
  display: none;
}

.app-shell.is-sidebar-collapsed .sidebar-hide-btn {
  display: none;
}

.tab-panel {
  display: none;
  animation: slide-in 280ms ease;
  min-width: 0;
}

.tab-panel.is-active {
  display: block;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.3rem;
  padding-left: 5.5rem;
}

.live-clock {
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  white-space: nowrap;
  padding-top: 0.25rem;
  flex-shrink: 0;
}

.live-clock.is-online {
  color: var(--ok);
}

.live-clock.is-offline {
  color: var(--danger);
}

.panel-header h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.panel-header p {
  margin: 0.25rem 0 1rem;
  color: var(--text-muted);
}

.quick-add {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.6rem;
  margin-bottom: 0.65rem;
}

.quick-add h3 {
  margin: 0 0 0.45rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bulk-toolbar {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 0 0.7rem;
}

.bulk-toolbar > span {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-right: 0.3rem;
}

.task-form {
  display: grid;
  grid-template-columns: repeat(6, minmax(90px, 1fr));
  gap: 0.45rem;
  align-items: end;
}

.task-form label {
  display: grid;
  gap: 0.2rem;
  font-size: 0.8rem;
}

.task-notes {
  grid-column: span 2;
}

.task-tags-label {
  position: relative;
}

.tag-picker-btn {
  width: 100%;
  text-align: left;
}

.tag-picker-panel {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  right: 0;
  max-height: 180px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 0.45rem;
  z-index: 12;
}

.tag-picker-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  padding: 0.25rem 0.1rem;
}

.task-tags-summary {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.primary-btn {
  border: 0;
  border-radius: 9px;
  background: linear-gradient(130deg, var(--accent), var(--accent-deep));
  color: #fff;
  padding: 0.55rem 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.task-form .primary-btn {
  padding: 0.48rem 0.62rem;
  font-size: 0.85rem;
}

.secondary-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text-main);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
}

.danger-btn {
  border-color: #f3c5c0;
  color: #9f1239;
}

.home-board-wrap {
  overflow-x: auto;
  max-width: 100%;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.home-board {
  display: flex;
  align-items: stretch;
  gap: 0.9rem;
  min-height: 560px;
  padding: 0.35rem 0.1rem;
  width: max-content;
  min-width: 100%;
}

.home-board.is-row-mode {
  display: grid;
  width: 100%;
  min-height: 0;
  padding: 0.2rem 0;
  gap: 0.75rem;
}

.home-board.is-row-mode .board-divider {
  display: none;
}

.task-row {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.task-row-header {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.task-row-header h3 {
  margin: 0;
  font-size: 0.94rem;
}

.task-row-body {
  padding: 0.7rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.65rem;
}

.board-divider {
  width: 2px;
  border-radius: 4px;
  background: linear-gradient(180deg, transparent, #5c9f97, transparent);
  margin: 1.2rem 0;
}

.task-column {
  width: 248px;
  min-width: 248px;
  min-height: 540px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.task-column-header {
  padding: 0.75rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.task-column-header h3 {
  margin: 0;
  font-size: 0.97rem;
}

.task-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.column-body {
  padding: 0.75rem;
  display: grid;
  align-content: start;
  gap: 0.65rem;
  overflow-y: auto;
}

.task-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem;
  padding-top: 1.6rem;
  background: #fff;
  display: grid;
  gap: 0.4rem;
  position: relative;
}

.task-card.is-done {
  opacity: 0.72;
}

.task-title {
  margin: 0;
  font-size: 0.92rem;
}

.task-client {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: -0.1rem;
}

.task-due-line {
  font-size: 0.78rem;
  font-weight: 700;
}

.task-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.task-form label.task-tags-label {
  grid-row: span 2;
}

.task-form select[multiple] {
  height: auto;
  min-height: 4.5rem;
  padding: 0.3rem 0.4rem;
}

.task-form select[multiple] option {
  padding: 0.18rem 0.25rem;
  border-radius: 4px;
}

.task-form select[multiple] option:checked {
  background: linear-gradient(130deg, var(--accent), var(--accent-deep));
  color: #fff;
}

.task-actions {
  display: flex;
  gap: 0.45rem;
}

.task-select-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.74rem;
  color: var(--text-muted);
}

.task-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 32%, transparent);
}

.comments-block {
  border-top: 1px dashed var(--line);
  padding-top: 0.4rem;
}

.comments-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-bottom: 0.25rem;
  font-size: 0.78rem;
}

.comments-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.comments-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.77rem;
}

.task-delete-x {
  position: absolute;
  top: 0.3rem;
  right: 0.3rem;
  width: 1.4rem;
  height: 1.4rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  border-radius: 5px;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.task-delete-x:hover {
  background: #fee2e2;
  color: var(--danger);
}

.btn-mark-done {
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
}

.subtask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.28rem;
}

.subtask-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.subtask-item.is-done .subtask-text {
  text-decoration: line-through;
  color: var(--text-muted);
}

.subtask-check {
  flex-shrink: 0;
  cursor: pointer;
}

.subtask-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.subtask-delete {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.1rem 0.2rem;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.subtask-item:hover .subtask-delete {
  opacity: 1;
}

.subtask-delete:hover {
  background: #fee2e2;
  color: var(--danger);
  opacity: 1;
}

.add-subtask-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 0.1rem 0;
  text-align: left;
  transition: opacity 0.15s;
}

.add-subtask-btn:hover {
  opacity: 0.8;
}

#subtaskInput {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 0;
}

.task-countdown {
  font-size: 0.78rem;
  font-weight: 700;
}

.task-countdown.is-live {
  color: var(--ok);
}

.task-countdown.is-overdue {
  color: var(--danger);
}

.tag-pill {
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  padding: 0.13rem 0.46rem;
  font-size: 0.72rem;
}

.inline-form {
  display: flex;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.simple-list {
  display: grid;
  gap: 0.55rem;
  max-width: 720px;
}

.settings-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 0.75rem;
  margin-bottom: 0.8rem;
}

.settings-card h3 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 0.6rem;
}

.settings-grid label {
  display: grid;
  gap: 0.3rem;
}

.inline-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.icon-btn {
  width: 2rem;
  min-width: 2rem;
  padding: 0.32rem 0;
  text-align: center;
  font-size: 0.9rem;
}

.item-meta {
  color: var(--text-muted);
  font-size: 0.84rem;
}

.empty-note {
  color: var(--text-muted);
  font-style: italic;
}

.due-overdue {
  color: var(--danger);
  font-weight: 700;
}

.due-soon {
  color: var(--accent-deep);
  font-weight: 700;
}

.due-fine {
  color: var(--ok);
  font-weight: 700;
}

@keyframes slide-in {
  from {
    transform: translateY(6px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 1180px) {
  .task-form {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .task-notes {
    grid-column: span 2;
  }
}

@media (max-width: 900px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(82vw, 320px);
    z-index: 30;
    overflow-y: auto;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
    transition: transform 220ms ease, opacity 180ms ease;
  }

  .app-shell.is-sidebar-collapsed .sidebar {
    transform: translateX(-105%);
    opacity: 0;
    pointer-events: none;
  }

  .main-content {
    overflow-x: hidden;
    padding: 0.85rem;
    min-height: 100vh;
  }

  .sidebar-top,
  .sidebar-bottom {
    min-height: 0;
  }

  .tab-nav {
    grid-template-columns: 1fr;
  }

  .tab-btn {
    text-align: center;
    padding: 0.6rem 0.4rem;
    font-size: 0.84rem;
  }

  .sidebar-hide-btn {
    display: none;
  }

  .app-shell:not(.is-sidebar-collapsed) .sidebar-toggle {
    display: none;
  }

  .panel-header {
    padding-left: 4.6rem;
    align-items: center;
    flex-wrap: wrap;
  }

  .task-column {
    width: 228px;
    min-width: 228px;
  }

  .task-row-body {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

  .inline-form {
    flex-direction: column;
    align-items: stretch;
  }

  .list-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .item-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .sidebar-toggle {
    top: 0.35rem;
    left: 0.25rem;
    font-size: 0.74rem;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .panel-header {
    padding-left: 4.5rem;
  }

  .task-form {
    grid-template-columns: 1fr;
  }

  .task-notes {
    grid-column: span 1;
  }

  .task-tags-label {
    grid-column: span 1;
  }

  .home-board {
    min-height: 480px;
    gap: 0.7rem;
  }

  .task-column {
    width: min(86vw, 320px);
    min-width: min(86vw, 320px);
    min-height: 460px;
  }

  .task-row-body {
    grid-template-columns: 1fr;
  }

  .confirm-actions {
    flex-direction: column-reverse;
  }

  .confirm-actions .secondary-btn {
    width: 100%;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-paper: #0f1216;
    --panel: #171b21;
    --panel-soft: #1b222b;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --line: #2f3a46;
    --accent: #2dd4bf;
    --accent-deep: #14b8a6;
    --danger: #f87171;
    --ok: #4ade80;
    --shadow: 0 12px 28px rgba(0, 0, 0, 0.42);
    color-scheme: dark;
  }

  body {
    background:
      radial-gradient(circle at 8% 20%, rgba(45, 212, 191, 0.16) 0, transparent 40%),
      radial-gradient(circle at 90% 0%, rgba(52, 211, 153, 0.12) 0, transparent 36%),
      var(--bg-paper);
  }

  .filters-panel input,
  .filters-panel select,
  .task-form input,
  .task-form select,
  .task-form textarea,
  .inline-form input,
  .secondary-btn,
  .task-card,
  .list-item,
  .task-row {
    background: #12161b;
    color: var(--text-main);
    border-color: var(--line);
  }

  .task-form select[multiple] option:checked {
    background: linear-gradient(130deg, var(--accent), var(--accent-deep));
    color: #fff;
  }

  .tag-pill {
    background: #202833;
    border-color: #334155;
    color: #d1d5db;
  }

  .danger-btn {
    border-color: #7f1d1d;
    color: #fca5a5;
  }

  .task-delete-x:hover {
    background: rgba(248, 113, 113, 0.18);
  }

  .subtask-delete:hover {
    background: rgba(248, 113, 113, 0.18);
  }

  .confirm-overlay {
    background: rgba(2, 6, 10, 0.76);
  }
}