:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --border: #243047;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #6366f1;
  --accent-2: #818cf8;
  --high: #ef4444;
  --medium: #f59e0b;
  --low: #10b981;
  --todo: #64748b;
  --inprog: #3b82f6;
  --done: #22c55e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0b1220, #0f172a);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.4px;
}

.logo {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
}

.status {
  font-size: 13px;
  color: var(--muted);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.status.ok    { color: #86efac; border-color: #14532d; background: #052e16; }
.status.bad   { color: #fca5a5; border-color: #7f1d1d; background: #2a0a0a; }

main {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 16px;
  letter-spacing: 0.3px;
}

#task-form {
  display: grid;
  gap: 10px;
}

#task-form input[type="text"],
#task-form textarea,
#task-form select,
#task-form input[type="date"],
.filters select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}

#task-form input[type="text"]:focus,
#task-form textarea:focus,
#task-form select:focus,
#task-form input[type="date"]:focus,
.filters select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

#task-form .row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}

#task-form label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: background 120ms ease;
}
button:hover { background: var(--accent-2); }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
button.ghost:hover { background: var(--panel-2); }
button.danger { background: #b91c1c; }
button.danger:hover { background: #dc2626; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.filters { display: flex; gap: 8px; }

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 800px) {
  .board { grid-template-columns: 1fr; }
}

.column {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-height: 160px;
}
.column h3 {
  margin: 0 0 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: #0b1220;
  color: var(--text);
  font-size: 11px;
  border: 1px solid var(--border);
}

.task-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }

.task {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.task .title {
  font-weight: 600;
  font-size: 14px;
}
.task .desc {
  color: var(--muted);
  font-size: 13px;
  white-space: pre-wrap;
}
.task .meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 12px;
}
.badge {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
}
.badge.priority-high   { color: #fecaca; border-color: #7f1d1d; background: #2a0a0a; }
.badge.priority-medium { color: #fde68a; border-color: #78350f; background: #2a1a04; }
.badge.priority-low    { color: #bbf7d0; border-color: #14532d; background: #052e16; }
.badge.due { color: #cbd5e1; }

.task .actions {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin-top: 4px;
}
.task select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 12px;
}

.empty {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 16px 8px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: #7f1d1d; color: #fecaca; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}
.user-chip .email { color: var(--text); }
.user-chip button {
  padding: 6px 10px;
  font-size: 12px;
}

.auth-screen {
  max-width: 380px;
  margin: 60px auto;
  padding: 0 16px;
  display: grid;
  gap: 16px;
}

.auth-screen .panel { padding: 22px 24px; }

.auth-tabs {
  display: flex;
  gap: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
}
.auth-tabs button {
  flex: 1;
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
}
.auth-tabs button.active {
  background: var(--accent);
  color: white;
}

.auth-form {
  display: grid;
  gap: 10px;
}
.auth-form label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.auth-form input {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
.auth-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.auth-form .submit { margin-top: 6px; }
.auth-form .error {
  color: #fecaca;
  font-size: 13px;
  min-height: 18px;
}

.hidden { display: none !important; }