/* ============ TOKENS ============ */
:root {
  --bg-deep: #0a0e17;
  --bg-surface: #161d2e;
  --bg-surface-2: #1d2740;
  --line: rgba(255, 255, 255, 0.08);

  --text-main: #f4f4f6;
  --text-dim: #8d96ab;

  --urgent: #e94560;
  --urgent-glow: rgba(233, 69, 96, 0.35);
  --done: #4ecca3;
  --done-glow: rgba(78, 204, 163, 0.3);
  --priority-high: #a78bfa;
  --doing: #f5a623;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(
    circle at 80% -10%,
    #131c33 0%,
    var(--bg-deep) 55%
  );
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
}

button {
  font-family: inherit;
  cursor: pointer;
}
input,
select,
textarea {
  font-family: inherit;
}

/* ============ LAYOUT ============ */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: rgba(10, 14, 23, 0.6);
  border-right: 1px solid var(--line);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}
.brand-mark {
  color: var(--priority-high);
  font-size: 1.4rem;
}

.btn-add {
  background: linear-gradient(135deg, var(--priority-high), #7c6ce8);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 20px rgba(167, 139, 250, 0.25);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}
.btn-add:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(167, 139, 250, 0.35);
}
.plus {
  font-size: 1.1rem;
  line-height: 1;
}

.btn-add-secondary {
  background: var(--bg-surface-2);
  color: var(--text-main);
  box-shadow: none;
  margin-top: -10px;
}
.btn-add-secondary:hover {
  background: #283456;
  box-shadow: none;
}
.btn-add-secondary .plus {
  color: var(--doing);
}

.btn-add-secondary {
  background: var(--bg-surface-2);
  color: var(--text-main);
  box-shadow: none;
  border: 1px solid var(--line);
}
.btn-add-secondary:hover {
  background: var(--bg-surface);
  box-shadow: none;
  border-color: rgba(255, 255, 255, 0.18);
}

.filters {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.filters-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
  padding-left: 4px;
}
.filter-item {
  background: none;
  border: none;
  color: var(--text-dim);
  text-align: left;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.filter-item:hover {
  background: var(--bg-surface);
  color: var(--text-main);
}
.filter-item.active {
  background: var(--bg-surface-2);
  color: var(--text-main);
  font-weight: 600;
}
.count {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 2px 8px;
  color: var(--text-dim);
}
.filter-item.active .count {
  background: rgba(167, 139, 250, 0.25);
  color: var(--priority-high);
}

.course-filters {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  max-height: 220px;
  overflow-y: auto;
}

/* ============ MAIN / TOPBAR ============ */
.main {
  padding: 36px 44px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 36px;
}

.orbit-ring-wrap {
  flex-shrink: 0;
}
.orbit-ring {
  width: 110px;
  height: 110px;
  transform: rotate(-90deg);
}
.ring-track {
  fill: none;
  stroke: var(--bg-surface-2);
  stroke-width: 8;
}
.ring-progress {
  fill: none;
  stroke: var(--done);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 327;
  transition:
    stroke-dashoffset 0.6s ease,
    stroke 0.4s ease;
  filter: drop-shadow(0 0 6px var(--done-glow));
}
.ring-percent {
  transform: rotate(90deg);
  transform-origin: 60px 60px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  fill: var(--text-main);
  text-anchor: middle;
}
.ring-sub {
  transform: rotate(90deg);
  transform-origin: 60px 60px;
  font-size: 9px;
  fill: var(--text-dim);
  text-anchor: middle;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.topbar-text h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0 0 6px;
}
.topbar-text p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ============ BOARD / CARDS ============ */
.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.18);
}

/* gravitasi urgensi: makin dekat deadline, makin "berat" visualnya */
.card.urgency-critical {
  border-color: var(--urgent);
  box-shadow:
    0 0 0 1px var(--urgent-glow),
    0 12px 28px -10px var(--urgent-glow);
}
.card.urgency-high {
  border-color: rgba(233, 69, 96, 0.4);
}
.card.urgency-done {
  opacity: 0.62;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.card-course {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--priority-high);
  font-weight: 600;
}

.laprak-badge {
  background: rgba(245, 166, 35, 0.18);
  color: var(--doing);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  margin-left: 4px;
}

.priority-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}
.priority-dot.low {
  background: var(--text-dim);
}
.priority-dot.medium {
  background: var(--doing);
}
.priority-dot.high {
  background: var(--urgent);
  box-shadow: 0 0 8px var(--urgent-glow);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

.card-deadline {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.card-deadline.critical {
  color: var(--urgent);
  font-weight: 600;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 8px;
}

.status-badge {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
}
.status-badge.todo {
  background: rgba(141, 150, 171, 0.15);
  color: var(--text-dim);
}
.status-badge.doing {
  background: rgba(245, 166, 35, 0.15);
  color: var(--doing);
}
.status-badge.done {
  background: rgba(78, 204, 163, 0.15);
  color: var(--done);
}

/* ============ EMPTY STATE ============ */
.empty-state {
  display: none;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-dim);
}
.empty-state.show {
  display: block;
}
.empty-icon {
  font-size: 2rem;
  color: var(--priority-high);
  margin-bottom: 12px;
}
.empty-state h3 {
  font-family: var(--font-display);
  color: var(--text-main);
  margin: 0 0 6px;
}
.empty-state p {
  margin: 0;
  font-size: 0.9rem;
}

/* ============ MODAL ============ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 12, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-backdrop.show {
  display: flex;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 26px;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.modal-head h2 {
  font-family: var(--font-display);
  margin: 0;
  font-size: 1.2rem;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text-main);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.field-row {
  display: flex;
  gap: 12px;
}
.field-row .field {
  flex: 1;
}

.field input,
.field select,
.field textarea {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-main);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--priority-high);
}
.field textarea {
  resize: vertical;
  font-family: var(--font-body);
}

.status-toggle {
  display: flex;
  gap: 6px;
}
.status-opt {
  flex: 1;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.15s ease;
}
.status-opt.active {
  background: rgba(167, 139, 250, 0.18);
  border-color: var(--priority-high);
  color: var(--text-main);
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  gap: 10px;
}
.modal-actions-right {
  display: flex;
  gap: 10px;
  margin-left: auto;
}

.btn-primary,
.btn-secondary,
.btn-delete {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.88rem;
}
.btn-primary {
  background: var(--priority-high);
  color: #fff;
}
.btn-primary:hover {
  background: #9579f0;
}
.btn-secondary {
  background: var(--bg-surface-2);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: #25315080;
}
.btn-delete {
  background: none;
  color: var(--urgent);
}
.btn-delete:hover {
  text-decoration: underline;
}

/* ============ FOCUS / ACCESSIBILITY ============ */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--priority-high);
  outline-offset: 2px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 800px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    flex-direction: row;
    overflow-x: auto;
    align-items: center;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--line);
    gap: 16px;
  }
  .brand {
    flex-shrink: 0;
  }
  .filters,
  .course-filters {
    flex-direction: row;
    border-top: none;
    padding-top: 0;
    max-height: none;
  }
  .filters-label {
    display: none;
  }
  .btn-add {
    flex-shrink: 0;
    white-space: nowrap;
  }
  .main {
    padding: 24px 18px;
  }
  .topbar {
    flex-wrap: wrap;
  }
  .field-row {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}