:root {
  --bg: #10131a;
  --bg-panel: #181c26;
  --bg-panel-alt: #1f2430;
  --border: #2c3242;
  --text: #e7e9ee;
  --text-dim: #9aa3b5;
  --accent: #ff6b4a;
  --accent-2: #4ac6ff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
  --radius: 10px;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 4rem;
}

header.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  flex-wrap: wrap;
  gap: 0.75rem;
}

header.site-header .brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  text-decoration: none;
}

nav.main-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

nav.main-nav a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

nav.main-nav a:hover, nav.main-nav a.active {
  background: var(--bg-panel-alt);
  color: var(--text);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

h1 { color: var(--accent); }
h2 { color: var(--accent-2); margin-top: 2.5rem; }
a { color: var(--accent-2); }

.lead {
  color: var(--text-dim);
  max-width: 70ch;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.task {
  background: var(--bg-panel-alt);
  border: 1px dashed var(--accent);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin: 0.9rem 0 1.4rem;
  font-size: 0.92rem;
}

.task .task-title {
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.task-status {
  display: inline-block;
  font-size: 0.78rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: #2b2f3d;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.task-status[data-done="true"] {
  background: rgba(74, 222, 128, 0.15);
  color: var(--ok);
  border-color: var(--ok);
}

button, .btn {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-panel-alt);
  color: var(--text);
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

button.primary { background: var(--accent); border-color: var(--accent); color: #1a0f0a; font-weight: 600; }
button.secondary { background: var(--accent-2); border-color: var(--accent-2); color: #06222e; font-weight: 600; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button:hover:not(:disabled) { filter: brightness(1.1); }

input, textarea, select {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

label { display: block; margin: 0.6rem 0 0.25rem; font-size: 0.9rem; color: var(--text-dim); }

.row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }

.badge { font-size: 0.75rem; padding: 0.15rem 0.5rem; border-radius: 999px; border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.err { color: var(--err); border-color: var(--err); }

.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 200;
}

.toast {
  background: var(--bg-panel-alt);
  border: 1px solid var(--accent-2);
  color: var(--text);
  padding: 0.7rem 1rem;
  border-radius: 8px;
  min-width: 220px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.4);
  animation: slidein 0.25s ease-out;
}

@keyframes slidein {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(5, 7, 12, 0.72);
  display: flex; align-items: center; justify-content: center;
  z-index: 300;
}

.modal-backdrop[hidden] { display: none; }

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: min(420px, 90vw);
}

table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); text-align: left; font-size: 0.9rem; }
th { cursor: pointer; color: var(--accent-2); user-select: none; }

.drag-zone {
  min-height: 130px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-content: flex-start;
}

.drag-zone.drag-over { border-color: var(--accent); background: rgba(255,107,74,0.08); }

.drag-item {
  padding: 0.5rem 0.8rem;
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: grab;
}

.tabs { display: flex; gap: 0.3rem; border-bottom: 1px solid var(--border); }
.tabs button { border-radius: 8px 8px 0 0; border-bottom: none; }
.tabs button[aria-selected="true"] { background: var(--bg-panel); border-color: var(--accent); color: var(--accent); }
.tab-panel { border: 1px solid var(--border); border-top: none; padding: 1rem; background: var(--bg-panel); }
.tab-panel[hidden] { display: none; }

.accordion-item { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 0.5rem; overflow: hidden; }
.accordion-header { width: 100%; text-align: left; background: var(--bg-panel-alt); border: none; padding: 0.7rem 1rem; }
.accordion-body { padding: 0.8rem 1rem; display: none; }
.accordion-body.open { display: block; }

footer.site-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 2rem 1rem 1rem;
}

.progress-bar-track { background: var(--bg-panel-alt); border-radius: 999px; height: 10px; overflow: hidden; border: 1px solid var(--border); }
.progress-bar-fill { background: linear-gradient(90deg, var(--accent), var(--accent-2)); height: 100%; width: 0%; transition: width 0.3s; }

code { background: var(--bg-panel-alt); padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.85em; }