:root {
  --bg: #050911;
  --panel: rgba(12, 20, 35, 0.82);
  --muted: #9fb0c7;
  --accent: #22d3ee;
  --accent-2: #fb7185;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --card: rgba(9, 15, 26, 0.9);
  --shadow: 0 14px 50px rgba(5, 10, 20, 0.45);
  color-scheme: dark;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px at 10% -10%, rgba(34, 211, 238, 0.12), transparent),
    radial-gradient(900px at 90% 0%, rgba(251, 113, 133, 0.14), transparent),
    linear-gradient(145deg, #050911 0%, #0a1220 60%, #050911 100%);
  color: #e7edf7;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
  line-height: 1.5;
}

button {
  border: none;
  background: linear-gradient(135deg, var(--accent), #67e8f9);
  color: #041020;
  font-weight: 700;
  padding: 11px 16px;
  border-radius: 14px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
  box-shadow: var(--shadow);
  letter-spacing: 0.01em;
}

button:hover {
  transform: translateY(-1px) scale(1.01);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
  border: 1px solid var(--border);
  box-shadow: none;
}

input,
textarea,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  position: sticky;
  top: 0;
  background: rgba(7, 12, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #0b1220;
  box-shadow: var(--shadow);
}

.brand-title {
  font-size: 18px;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
}

.user-info {
  color: var(--muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
  padding: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 120% at 0% 0%, rgba(34, 211, 238, 0.08), transparent),
    radial-gradient(80% 80% at 100% 20%, rgba(251, 113, 133, 0.05), transparent);
  pointer-events: none;
}

.panel > * {
  position: relative;
  z-index: 1;
}

.board-view {
  grid-column: 1 / -1;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hidden {
  display: none !important;
}

.error {
  color: #f87171;
  min-height: 18px;
  font-size: 14px;
}

.form-switch {
  display: flex;
  gap: 10px;
}

.chip {
  border-radius: 999px;
  background: #0c1627;
  color: #e2e8f0;
  border: 1px solid var(--border);
  padding: 8px 12px;
  box-shadow: none;
}

.chip.active {
  background: rgba(20, 184, 166, 0.12);
  border-color: var(--accent);
}

.boards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.board-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.board-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  align-items: start;
}

.column {
  background: #0c1627;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 150px;
  backdrop-filter: blur(6px);
}

.column header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

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

.column-actions .mini-btn {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
  color: #e7edf7;
  min-width: 34px;
  justify-content: center;
  display: inline-flex;
  align-items: center;
}

.column-meta {
  font-size: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.card-title {
  font-weight: 700;
}

.card-labels {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.label-pill {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: #0b1220;
}

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

.mini-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: #e2e8f0;
  padding: 6px 8px;
  border-radius: 10px;
  box-shadow: none;
  font-size: 12px;
}
.mini-btn.danger {
  border-color: rgba(248, 113, 113, 0.4);
  color: #fca5a5;
}

.inline-form {
  max-width: 480px;
}

.floating-forms {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: #e2e8f0;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.share-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border);
  padding: 10px 12px;
  border-radius: 12px;
}

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

.tiny {
  font-size: 12px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(12, 20, 35, 0.9);
  border: 1px solid var(--border);
  color: #e2e8f0;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 150ms ease, transform 150ms ease;
  z-index: 50;
}

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

@media (max-width: 720px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}