:root {
  --bg: #eef1f4;
  --bg-wash: #f7f8fa;
  --bg-elevated: rgba(255, 255, 255, 0.78);
  --bg-solid: #ffffff;
  --bg-sidebar: #0c1219;
  --bg-sidebar-hover: rgba(255, 255, 255, 0.06);
  --text: #15202b;
  --text-muted: #667788;
  --text-sidebar: #d7dee7;
  --border: rgba(21, 32, 43, 0.08);
  --border-strong: rgba(21, 32, 43, 0.14);
  --accent: #0d7377;
  --accent-hover: #0a5c5f;
  --accent-soft: rgba(13, 115, 119, 0.1);
  --accent-glow: rgba(13, 115, 119, 0.18);
  --danger: #c0392b;
  --warning: #b86e00;
  --success: #1b7f5a;
  --shadow: 0 1px 1px rgba(15, 23, 42, 0.03), 0 8px 24px rgba(15, 23, 42, 0.05);
  --shadow-soft: 0 12px 40px rgba(15, 23, 42, 0.07);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Manrope", "Segoe UI", sans-serif;
  --font-display: "Syne", "Manrope", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  --bg: #090e14;
  --bg-wash: #0f1620;
  --bg-elevated: rgba(18, 26, 36, 0.88);
  --bg-solid: #121a24;
  --text: #eef2f6;
  --text-muted: #8b9aab;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.12);
  --accent: #2ec4b6;
  --accent-hover: #5eead4;
  --accent-soft: rgba(46, 196, 182, 0.12);
  --shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 10px 28px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  letter-spacing: -0.01em;
  background:
    radial-gradient(900px 480px at 8% -8%, rgba(13, 115, 119, 0.12), transparent 55%),
    radial-gradient(700px 420px at 96% 4%, rgba(21, 32, 43, 0.06), transparent 50%),
    linear-gradient(180deg, var(--bg-wash), var(--bg));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--accent-hover); text-decoration: none; }

.app-shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}

.sidebar {
  background:
    linear-gradient(165deg, rgba(13, 115, 119, 0.18), transparent 42%),
    linear-gradient(180deg, #0b1219 0%, #101820 100%);
  color: var(--text-sidebar);
  padding: 1.35rem 0.9rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.35rem 0.85rem 1.35rem;
  margin-bottom: 0.5rem;
}
.brand strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.brand span {
  color: rgba(215, 222, 231, 0.55);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.nav-section {
  margin: 1.15rem 0 0.4rem;
  padding: 0 0.85rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(215, 222, 231, 0.4);
}

.nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(215, 222, 231, 0.78);
  padding: 0.52rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav a:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
  transform: translateX(2px);
}
.nav a.active {
  background: rgba(46, 196, 182, 0.16);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(46, 196, 182, 0.25);
}

.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.5rem;
  background: rgba(247, 248, 250, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
[data-theme="dark"] .topbar { background: rgba(9, 14, 20, 0.8); }

.search-form { flex: 1; max-width: 540px; }
.search-form input {
  width: 100%;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
[data-theme="dark"] .search-form input { background: rgba(18, 26, 36, 0.9); }
.search-form input:focus {
  outline: none;
  border-color: rgba(13, 115, 119, 0.45);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.top-actions { display: flex; align-items: center; gap: 0.75rem; }
.top-actions .muted { font-size: 0.85rem; font-weight: 500; }

.content { padding: 1.6rem 1.5rem 2.5rem; max-width: 1440px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.page-header p {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 52ch;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}
.kpi {
  background: var(--bg-elevated);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.kpi:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.kpi .label {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.kpi .value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 0.4rem;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.grid-2 { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1.1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }

.panel {
  background: var(--bg-elevated);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-h {
  padding: 1rem 1.15rem 0.85rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.panel-h h2, .panel-h h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.panel-b { padding: 1.15rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn:hover {
  background: var(--accent-hover);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(13, 115, 119, 0.22);
}
.btn:active { transform: translateY(0); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
  box-shadow: none;
}
.btn-secondary:hover {
  background: rgba(13, 115, 119, 0.06);
  border-color: rgba(13, 115, 119, 0.28);
  box-shadow: none;
}
.btn-danger { background: var(--danger); }
.btn-sm { padding: 0.32rem 0.7rem; font-size: 0.76rem; }

.table-wrap { overflow: auto; border-radius: var(--radius-sm); }
table.data { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.875rem; }
table.data th, table.data td {
  padding: 0.8rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
table.data th {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: transparent;
}
table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: var(--accent-soft); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.form-grid .full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  letter-spacing: 0.01em;
}
input + label,
select + label,
textarea + label { margin-top: 0.95rem; }

input, select, textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-solid);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(13, 115, 119, 0.5);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
textarea { min-height: 108px; resize: vertical; }

.actions { display: flex; gap: 0.55rem; flex-wrap: wrap; margin-top: 1.15rem; }
form > .btn,
form > button.btn,
input + .btn,
select + .btn,
textarea + .btn,
input + button,
select + button,
textarea + button,
.form-grid + .btn,
.form-grid + button,
.form-grid + .actions { margin-top: 1.15rem; }

.flash {
  padding: 0.85rem 1.05rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.1rem;
  border: 1px solid;
  font-size: 0.9rem;
}
.flash-success { background: rgba(27, 127, 90, 0.08); border-color: rgba(27, 127, 90, 0.2); color: #0f5c40; }
.flash-error { background: rgba(192, 57, 43, 0.08); border-color: rgba(192, 57, 43, 0.2); color: #8f2a20; }
[data-theme="dark"] .flash-success { background: rgba(27, 127, 90, 0.18); color: #b8f0d6; }
[data-theme="dark"] .flash-error { background: rgba(192, 57, 43, 0.18); color: #ffc9c3; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.badge-warn { background: rgba(184, 110, 0, 0.12); color: #8a5400; }
.badge-danger { background: rgba(192, 57, 43, 0.12); color: #9b2c22; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 2px solid var(--border-strong);
  margin-left: 0.35rem;
  position: relative;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.15rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.timeline .meta { color: var(--text-muted); font-size: 0.76rem; }

.kanban {
  display: flex;
  gap: 0.9rem;
  overflow-x: auto;
  padding: 0.15rem 0.15rem 1rem;
  scroll-snap-type: x proximity;
}
.kanban-col {
  min-width: 250px;
  max-width: 270px;
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem;
  scroll-snap-align: start;
}
[data-theme="dark"] .kanban-col { background: rgba(255, 255, 255, 0.03); }
.kanban-col h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.kanban-card {
  background: var(--bg-solid);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  margin-bottom: 0.65rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.kanban-card strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.kanban-card span { color: var(--text-muted); font-size: 0.75rem; }
.kanban-card select {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  padding: 0.4rem 0.55rem;
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(700px 420px at 15% 10%, rgba(13, 115, 119, 0.28), transparent 55%),
    radial-gradient(600px 400px at 90% 80%, rgba(46, 196, 182, 0.12), transparent 50%),
    linear-gradient(160deg, #0b1219, #15202b 55%, #0d7377);
}
.auth-card {
  width: min(420px, 100%);
  background: rgba(255, 255, 255, 0.96);
  border-radius: 22px;
  padding: 2rem 1.85rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  animation: rise 0.55s var(--ease) both;
}
.auth-card h1 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}
.auth-card p { color: #667788; margin-top: 0; }

.error-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(800px 500px at 50% -10%, rgba(13, 115, 119, 0.2), transparent 55%),
    linear-gradient(180deg, #0b1219, #15202b);
}
.error-card {
  width: min(440px, 100%);
  text-align: center;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 24px;
  padding: 2.25rem 1.75rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  animation: rise 0.5s var(--ease) both;
}
.error-card .code {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--accent);
  line-height: 1;
  margin: 0 0 0.5rem;
}
.error-card p {
  margin: 0 0 1.35rem;
  color: var(--text-muted);
}
.error-card .actions { justify-content: center; margin-top: 0; }

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.chip-list,
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 0.55rem;
}
.chip-list label,
.option-grid label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.3;
  white-space: normal;
  cursor: pointer;
  user-select: none;
  min-height: 46px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}
.chip-list label:hover,
.option-grid label:hover {
  border-color: rgba(13, 115, 119, 0.35);
  background: var(--accent-soft);
  transform: translateY(-1px);
}
.chip-list input[type="checkbox"],
.option-grid input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin: 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.chip-list label:has(input:checked),
.option-grid label:has(input:checked) {
  border-color: rgba(13, 115, 119, 0.45);
  background: var(--accent-soft);
  font-weight: 650;
}
.outcome-badges { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.outcome-badges .badge { text-transform: none; letter-spacing: 0; font-size: 0.72rem; }
.muted { color: var(--text-muted); }
.empty {
  color: var(--text-muted);
  padding: 1.1rem 0.2rem;
  font-size: 0.9rem;
}

.sheet-toolbar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.85rem; }
.sheet td[contenteditable="true"] { outline: none; }
.sheet td[contenteditable="true"]:focus { background: var(--accent-soft); }

.content > .panel,
.content > .grid-2,
.content > .grid-3,
.content > .kpi-grid,
.content > .kanban {
  animation: rise 0.45s var(--ease) both;
}

@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .grid-2, .grid-3, .form-grid { grid-template-columns: 1fr; }
  .content { padding: 1.15rem 1rem 2rem; }
}