:root {
  --bg-main: #060b14;
  --bg-panel: #0f1a29;
  --bg-panel-soft: #102033;
  --line: rgba(116, 205, 255, 0.2);
  --line-strong: rgba(116, 205, 255, 0.45);
  --text: #d6ebff;
  --text-dim: #8eaec7;
  --cyan: #38d7ff;
  --blue: #4f7cff;
  --green: #1fd8a4;
  --red: #ff4d7e;
  --yellow: #ffc247;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 15%, rgba(56, 215, 255, 0.13), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(79, 124, 255, 0.12), transparent 36%),
    linear-gradient(160deg, #04070f 0%, #07131f 55%, #02060d 100%);
  min-height: 100vh;
}

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

.app-shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 15, 26, 0.96), rgba(5, 10, 18, 0.94));
  padding: 22px 16px;
}

.brand-title {
  font-family: "Orbitron", sans-serif;
  font-size: 22px;
  letter-spacing: 1px;
  color: var(--cyan);
}

.brand-sub {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 13px;
}

.nav-list {
  margin-top: 26px;
  display: grid;
  gap: 10px;
}

.nav-btn {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(12, 24, 39, 0.75);
  color: var(--text);
  padding: 11px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.18s;
}

.nav-btn:hover,
.nav-btn.active {
  border-color: var(--line-strong);
  background: rgba(25, 44, 68, 0.8);
  box-shadow: 0 0 20px rgba(56, 215, 255, 0.12);
}

.main-content {
  padding: 16px 18px 28px;
}

.topbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.search-input {
  width: min(620px, 100%);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(8, 18, 31, 0.75);
  color: var(--text);
}

.top-actions {
  display: flex;
  gap: 8px;
}

.stats-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: linear-gradient(165deg, rgba(14, 27, 42, 0.84), rgba(9, 18, 29, 0.86));
}

.stat-label {
  color: var(--text-dim);
  font-size: 13px;
}

.stat-value {
  margin-top: 6px;
  font-family: "Orbitron", sans-serif;
  font-size: 24px;
}

.content-section {
  margin-top: 14px;
  display: none;
}

.content-section.active {
  display: block;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: rgba(8, 16, 28, 0.78);
  margin-bottom: 12px;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

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

label {
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

input,
select,
textarea {
  background: rgba(16, 31, 50, 0.75);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

.primary-btn,
.ghost-btn,
.danger-btn {
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(18, 34, 54, 0.7);
}

.primary-btn {
  border-color: rgba(56, 215, 255, 0.45);
  background: linear-gradient(135deg, rgba(18, 120, 168, 0.75), rgba(36, 84, 184, 0.8));
}

.primary-btn:hover {
  box-shadow: 0 0 20px rgba(56, 215, 255, 0.22);
}

.danger-btn {
  border-color: rgba(255, 77, 126, 0.45);
  background: rgba(89, 15, 39, 0.58);
}

.table-wrap {
  overflow-x: auto;
}

.task-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

.task-table th,
.task-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

.task-table th {
  color: var(--text-dim);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: rgba(10, 20, 33, 0.95);
}

.task-title {
  font-weight: 600;
  color: #f0f7ff;
}

.task-desc {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 3px;
}

.tag-list {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  color: var(--text-dim);
  font-size: 12px;
}

.priority-high {
  color: var(--red);
}

.priority-medium {
  color: var(--yellow);
}

.priority-low {
  color: var(--green);
}

.status-done {
  color: var(--green);
}

.status-in_progress {
  color: var(--cyan);
}

.status-todo {
  color: var(--yellow);
}

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

.inline-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.analytics-panel {
  min-height: 320px;
}

.meter-block {
  margin-top: 14px;
}

.meter-track {
  margin-top: 8px;
  height: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: rgba(10, 20, 33, 0.8);
}

.meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00c0ff, #4f7cff);
  transition: width 0.3s ease;
}

.meter-value {
  margin-top: 8px;
  font-family: "Orbitron", sans-serif;
}

.analytics-details {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.analytics-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--text-dim);
}

.reminder-list {
  display: grid;
  gap: 8px;
}

.reminder-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: rgba(13, 26, 41, 0.75);
}

.settings-panel {
  display: grid;
  gap: 14px;
}

.settings-group h3 {
  margin: 0 0 8px;
}

.settings-grid,
.settings-form {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chip button {
  border: 0;
  background: transparent;
  color: var(--red);
  cursor: pointer;
}

.modal {
  border: none;
  padding: 0;
  background: transparent;
}

.modal::backdrop {
  background: rgba(1, 5, 10, 0.75);
}

.modal-card {
  width: min(720px, calc(100vw - 24px));
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(10, 22, 35, 0.98), rgba(7, 15, 25, 0.98));
  padding: 14px;
  display: grid;
  gap: 10px;
}

.inline-row {
  display: flex;
  gap: 8px;
}

.reminder-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(1, 6, 11, 0.86);
  z-index: 20;
}

.auth-overlay.active {
  display: flex;
}

.auth-card {
  width: min(420px, calc(100vw - 24px));
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(8, 18, 31, 0.96);
  padding: 16px;
}

.auth-form {
  display: grid;
  gap: 10px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  min-width: 180px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(12, 24, 38, 0.92);
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: 0.22s;
  z-index: 30;
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .nav-btn {
    text-align: center;
    font-size: 13px;
  }

  .main-content {
    padding: 12px;
  }
}