:root {
  --bg: #f3f6fb;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --line: #d8e0ee;
  --text: #152238;
  --muted: #53657f;
  --accent: #4f46e5;
  --accent-2: #22c55e;
  --good: #16a34a;
  --warn: #d97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    linear-gradient(135deg, #eef3ff 0%, #f8fbff 45%, #f4f7ff 100%);
}

#appRoot {
  min-height: 100vh;
  padding: 20px;
}

.hidden { display: none !important; }

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: var(--panel);
  box-shadow: 0 6px 18px #0f1d3324;
}

.auth-shell {
  max-width: 420px;
  margin: 80px auto 0;
}

.auth-shell h1,
.auth-shell p {
  margin-top: 0;
}

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

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 8px;
}

h1 { margin: 0; font-size: 28px; letter-spacing: 0.2px; }
h2 { margin: 0; font-size: 22px; }
h3 { margin: 0; font-size: 16px; }
p { color: var(--muted); line-height: 1.45; }

.tabs {
  margin-top: 6px;
  display: grid;
  gap: 8px;
}

.tabs button {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8faff;
  color: var(--text);
  padding: 10px;
  cursor: pointer;
}

.tabs button.active {
  border-color: var(--accent);
  background: #eef2ff;
  color: #1e3a8a;
  font-weight: 700;
}

.status {
  font-size: 14px;
  color: #344764;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}

.api-badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f1f5ff;
  padding: 6px 10px;
  display: inline-flex;
  width: fit-content;
}

main {
  display: grid;
  gap: 14px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.tag {
  color: #3b56a0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  background: #f5f7ff;
}

.panel-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.mini-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fbfdff;
}

.mini-card p {
  margin: 6px 0 0;
  font-size: 26px;
  font-weight: 700;
  color: #0f1c2f;
}

.filters,
.split,
.settings-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: #2f4468;
}

input,
select {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 9px;
  font-size: 14px;
}

.value-pill {
  display: inline-block;
  border-radius: 999px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: #f4f8ff;
}

button {
  border: 0;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--accent), #4338ca);
  color: #fff;
  font-weight: 600;
  padding: 10px 12px;
  cursor: pointer;
}

button.ghost {
  background: #f0f3ff;
  color: #263b80;
  border: 1px solid #d7def2;
}

.full-width { width: 100%; }

.result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}

.cards {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card-item,
.media-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #ffffff;
}

.card-item h4,
.media-item h4 { margin: 0 0 8px; }

.card-item p,
.media-item p { margin: 5px 0; font-size: 13px; }

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

.output {
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: #f7faff;
  padding: 12px;
}

.output p { font-size: 13px; }

.log {
  margin-top: 10px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f8fbff;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.note { font-size: 13px; }

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
  }

  .tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .tabs button {
    font-size: 13px;
  }
}

@media (max-width: 620px) {
  #appRoot { padding: 10px; }
  .result-head,
  .panel-head { flex-direction: column; align-items: flex-start; }
  .auth-shell { margin-top: 28px; }
}