:root {
  color-scheme: dark;
  --bg: #0f1117;
  --panel: #171a22;
  --panel-border: #2a3040;
  --text: #eef2ff;
  --muted: #98a2b3;
  --accent: #7c9cff;
  --danger: #ff7b7b;
  --success: #42d392;
  --warning: #ffb454;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, #0b0d12 0%, var(--bg) 100%);
  color: var(--text);
}

.shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.shell--narrow {
  width: min(720px, calc(100% - 2rem));
}

.shell--centered {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.panel {
  background: rgba(23, 26, 34, 0.95);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.auth-panel {
  width: min(420px, 100%);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.add-task-panel {
  margin-bottom: 1rem;
}

.filter-panel {
  margin-bottom: 1rem;
}

.webhook-panel {
  margin-bottom: 1rem;
}

.panel-toggle {
  padding: 1rem;
}

.panel-toggle__button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.panel-toggle__button .eyebrow {
  display: block;
  margin-bottom: 0.2rem;
}

.panel-toggle__title {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
}

.panel-toggle__icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(124, 156, 255, 0.12);
  font-size: 1.25rem;
}

.panel-toggle__content {
  margin-top: 1rem;
}

.panel-toggle__content[hidden] {
  display: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  margin: 0 0 0.35rem;
}

h1, h2, h3, p { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.error {
  margin: 0.75rem 0;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: rgba(255, 123, 123, 0.12);
  border: 1px solid rgba(255, 123, 123, 0.35);
  color: #ffd0d0;
}

.stack-md > * + * { margin-top: 0.75rem; }
.stack-sm > * + * { margin-top: 0.5rem; }
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
  margin-bottom: 0.75rem;
}

input, button, textarea, select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  padding: 0.9rem 1rem;
  font: inherit;
}

input[type="hidden"] {
  display: none;
}

input, textarea, select {
  background: #0b0d12;
  color: var(--text);
}

textarea {
  resize: vertical;
}

button {
  cursor: pointer;
  background: var(--accent);
  color: white;
  border: none;
  font-weight: 600;
}

.button-small {
  width: auto;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  font-size: 0.9rem;
}

.button-warning {
  background: var(--warning);
  color: #101318;
}

.button-danger {
  background: rgba(255, 123, 123, 0.18);
  color: #ffd8d8;
  border: 1px solid rgba(255, 123, 123, 0.35);
}

.button-secondary {
  width: auto;
  background: transparent;
  border: 1px solid var(--panel-border);
}

.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--text);
}

.task-form__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 0.75rem;
}

.task-form__grid--triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.webhook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.webhook-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.task-stack {
  display: grid;
  gap: 0.75rem;
}

.task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.task-actions form {
  margin: 0;
}

.task-actions form,
.task-actions .button-small {
  width: auto;
}

.task-card {
  border: 1px solid var(--panel-border);
  border-left-width: 4px;
  border-radius: 16px;
  padding: 1rem;
  background: rgba(11, 13, 18, 0.72);
}

.task-card__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.priority-low { border-left-color: var(--success); }
.priority-medium { border-left-color: var(--accent); }
.priority-high { border-left-color: var(--warning); }
.status-done { opacity: 0.86; }
.status-missed { border-left-color: var(--danger); }

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(124, 156, 255, 0.18);
  color: #dbe5ff;
  text-transform: uppercase;
}

.badge-count {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

code,
.code-block {
  font-family: 'SFMono-Regular', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

code {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  border-radius: 8px;
  background: rgba(124, 156, 255, 0.12);
}

.code-block {
  min-height: 9rem;
  background: #0b0d12;
  color: #dbe5ff;
  white-space: pre-wrap;
}

.webhook-actions {
  margin-top: 1rem;
}

.webhook-list {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.webhook-list li + li {
  margin-top: 0.4rem;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 1rem, 100%);
    padding-top: 1rem;
  }

  .topbar,
  .section-heading,
  .task-card__header {
    flex-direction: column;
  }

  .button-secondary {
    width: 100%;
  }

  .grid,
  .task-form__grid,
  .webhook-grid,
  .webhook-meta {
    grid-template-columns: 1fr;
  }
}