:root {
  --bg: #0c0f16;
  --panel: #0f1625;
  --card: #121b2d;
  --text: #e8f0ff;
  --muted: #9eb0d1;
  --accent: #4af2c5;
  --accent-2: #ff9d57;
  --border: #1f2b44;
  font-family: 'Space Grotesk', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

.hidden { display: none; }

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(74, 242, 197, 0.1), transparent 25%),
              radial-gradient(circle at 80% 10%, rgba(255, 157, 87, 0.12), transparent 25%),
              radial-gradient(circle at 70% 70%, rgba(74, 242, 197, 0.08), transparent 30%),
              var(--bg);
  color: var(--text);
}

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-box {
  width: min(460px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
}

.auth-form {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.auth-actions {
  display: flex;
  justify-content: flex-end;
}

.auth-brand {
  margin-bottom: 6px;
}

.muted {
  color: var(--muted);
  font-size: 14px;
  margin: 4px 0 0;
}

.page {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

aside.rail {
  border-right: 1px solid var(--border);
  padding: 28px 24px;
  background: linear-gradient(180deg, rgba(12, 15, 22, 0.9), rgba(12, 15, 22, 0.7));
  backdrop-filter: blur(12px);
}

.brand {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.brand-mark {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c0f16;
  font-weight: 700;
  letter-spacing: 1px;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 4px 0 0;
  font-size: 28px;
}

h2 {
  margin: 4px 0 0;
  font-size: 26px;
}

h3 {
  margin: 0;
  font-size: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 14px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.panel-title {
  margin: 0 0 10px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel.info ul {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  line-height: 1.4;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.board-chip {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #101728;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.board-chip.active {
  border-color: var(--accent);
  transform: translateX(4px);
}

.board-chip .pill {
  background: rgba(74, 242, 197, 0.12);
  color: var(--accent);
}

main {
  padding: 28px 26px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

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

.columns {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 280px;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 20px;
}

.column {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.column-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 80px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  cursor: grab;
}

.card:active { cursor: grabbing; }

.drop-target {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(74, 242, 197, 0.4);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  margin: 8px 0 2px;
  font-weight: 600;
}

.card-desc {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.card-meta {
  display: flex;
  gap: 6px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 13px;
  border: 1px solid var(--border);
}

button {
  cursor: pointer;
  border: none;
  font: inherit;
  color: var(--text);
  background: var(--accent);
  padding: 10px 14px;
  border-radius: 12px;
  transition: transform 0.1s ease, box-shadow 0.1s ease, opacity 0.2s ease;
}

button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c0f16;
  font-weight: 700;
}

button.ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
}

button.small {
  padding: 6px 9px;
  font-size: 13px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0c1220;
  color: var(--text);
  font: inherit;
}

input[type="color"] {
  padding: 4px;
  height: 38px;
}

textarea { resize: vertical; }

.invite {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.people {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.person {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #0f182b;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.person .bubble {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c0f16;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.status.done {
  background: rgba(74, 242, 197, 0.14);
  color: var(--accent);
}

.status.open {
  background: rgba(255, 157, 87, 0.14);
  color: var(--accent-2);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 18, 0.6);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 100;
}

.modal.hidden { display: none; }

.modal-box {
  width: min(440px, 100%);
  background: #0e1424;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.modal-box.wide {
  width: min(960px, 95vw);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 14px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.admin-card {
  background: #0f1628;
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 12px;
}

.admin-list {
  max-height: 320px;
  overflow: auto;
  display: grid;
  gap: 8px;
}

.admin-user {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0d1423;
}

.admin-user small {
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-size: 12px;
}

@media (max-width: 960px) {
  .page {
    grid-template-columns: 1fr;
  }
  aside.rail {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .columns {
    grid-auto-columns: 240px;
  }
  .top {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}