/* Stonks — dark finance dashboard design system */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --raised: #1c2330;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3b82f6;
  --accent-hover: #2f6fd4;
  --pos: #3fb950;
  --neg: #f85149;
  --warning: #d29922;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Nav bar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.navbar .brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
  flex-wrap: wrap;
}

.navbar .nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.navbar .nav-links a:hover {
  color: var(--text);
  background: var(--raised);
}

.navbar .nav-links a.active {
  color: var(--text);
  background: var(--raised);
}

.navbar form.inline {
  display: inline;
  margin: 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem;
  flex: 1;
}

h1 { font-size: 1.6rem; margin: 0 0 1.25rem; }
h2 { font-size: 1.2rem; margin: 0 0 1rem; }

a { color: var(--accent); }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.5rem 1rem 2rem;
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  margin-bottom: 1.5rem;
}

.card h2:first-child { margin-top: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.tile .label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.tile .value {
  font-size: 1.6rem;
  font-weight: 700;
}

.tile .subvalue {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

/* Tabular figures keep digits aligned in tables. */
td {
  font-variant-numeric: tabular-nums;
}

.muted {
  color: var(--muted);
  font-weight: 400;
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-variant-numeric: tabular-nums;
}

th, td {
  padding: 0.6rem 0.8rem;
  text-align: right;
  white-space: nowrap;
}

th:first-child, td:first-child {
  text-align: left;
}

thead th, table tr:first-child th {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

tbody td, table tr td {
  border-bottom: 1px solid var(--border);
}

tbody tr:hover, table tr:hover td {
  background: var(--raised);
}

/* ---------- Semantic colors ---------- */
.pos { color: var(--pos); }
.neg { color: var(--neg); }

/* ---------- Forms ---------- */
form { margin: 0; }

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

label { color: var(--muted); font-size: 0.85rem; }

input, select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  font: inherit;
  min-width: 0;
}

input::placeholder { color: var(--muted); }

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover { background: var(--accent-hover); }

.btn-danger {
  background: transparent;
  color: var(--neg);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  font-weight: 500;
}

.btn-danger:hover { background: rgba(248, 81, 73, 0.12); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.85rem; }

/* ---------- Banner ---------- */
.banner {
  background: rgba(210, 153, 34, 0.12);
  border: 1px solid var(--warning);
  color: var(--warning);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

/* ---------- Login ---------- */
.login-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

.login-card h1 {
  text-align: center;
  font-size: 1.4rem;
}

.login-card .brand-mark {
  text-align: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.login-card input { width: 100%; margin-bottom: 0.9rem; }
.login-card button { width: 100%; }

.error {
  color: var(--neg);
  text-align: center;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}