/* Matcave Dashboard — Dark Mode */

:root {
  --fg: #fafafa;
  --fg-secondary: #a3a3a3;
  --fg-muted: #737373;
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-elevated: #1a1a1a;
  --border: #262626;
  --border-subtle: #1f1f1f;
  --gold: #c9b896;
  --lavender: #a78bfa;
  --green: #4ade80;
  --red: #f87171;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

body {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */

.sidebar {
  width: 220px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.logo {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.nav-list {
  list-style: none;
  padding: 0.5rem 0;
  flex: 1;
}

.nav-item {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: var(--fg-secondary);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.nav-item:hover {
  color: var(--fg);
  background: var(--bg-elevated);
}

.nav-item.active {
  color: var(--fg);
  background: var(--bg-elevated);
  border-left: 2px solid var(--gold);
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

/* Content */

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.view-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.btn-add {
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--fg-secondary);
  font-size: 1.125rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}

.btn-add:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Add task form */

.add-task-form {
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.input-title {
  width: 100%;
  padding: 0.5rem 0;
  background: none;
  border: none;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
}

.input-title::placeholder {
  color: var(--fg-muted);
}

.form-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  align-items: center;
}

.input-select, .input-date {
  padding: 0.375rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  outline: none;
}

.input-select:focus, .input-date:focus {
  border-color: var(--gold);
}

.input-date {
  color-scheme: dark;
}

.btn-submit {
  padding: 0.375rem 0.75rem;
  background: var(--gold);
  border: none;
  border-radius: 4px;
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-submit:hover {
  opacity: 0.85;
}

/* Task list */

.task-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.loading {
  padding: 2rem 1.5rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.task-group-header {
  padding: 0.75rem 1.5rem 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

.task-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.5rem;
  transition: background 0.1s;
}

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

.task-check {
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s;
}

.task-check:hover {
  border-color: var(--green);
}

.task-check.done {
  border-color: var(--green);
  background: var(--green);
}

.task-body {
  flex: 1;
  min-width: 0;
}

.task-title {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-item.completed .task-title {
  text-decoration: line-through;
  color: var(--fg-muted);
}

.task-meta {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.125rem;
}

.task-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

.task-tag.overdue {
  color: var(--red);
}

.task-tag.today {
  color: var(--gold);
}

.task-tag.priority-high {
  color: var(--lavender);
}

.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--fg-muted);
}

.empty-state p {
  font-size: 0.8125rem;
  margin-bottom: 0.25rem;
}

.empty-state .hint {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Scrollbar */

.task-list::-webkit-scrollbar {
  width: 4px;
}

.task-list::-webkit-scrollbar-track {
  background: transparent;
}

.task-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* Responsive */

@media (max-width: 640px) {
  .sidebar {
    width: 56px;
  }

  .sidebar-header {
    padding: 1rem 0.5rem;
    text-align: center;
  }

  .logo {
    font-size: 0.75rem;
  }

  .nav-item {
    font-size: 0;
    padding: 0.75rem;
    text-align: center;
  }

  .nav-item::before {
    font-size: 1rem;
  }

  .sidebar-footer {
    display: none;
  }

  .content-header {
    padding: 1rem;
  }

  .task-item {
    padding: 0.625rem 1rem;
  }

  .add-task-form {
    padding: 0.75rem 1rem;
  }

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