:root {
  --bg: #1B201D;
  --surface: #232922;
  --surface-2: #2B322A;
  --text-primary: #EDEAE1;
  --text-secondary: #A8AA9E;
  --border: rgba(237, 234, 225, 0.10);
  --accent-climb: #C4622D;
  --accent-climb-text: #F4C7A8;
  --accent-rest: #5C9179;
  --accent-alert: #D4A24C;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0;
}

.muted { color: var(--text-secondary); font-size: 0.85em; font-weight: 400; }

/* ---------- Login ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
}
.login-card {
  width: min(340px, 90vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  text-align: center;
}
.login-mark { margin-bottom: 0.75rem; }
.login-card h1 { font-size: 22px; }
.login-sub { color: var(--text-secondary); margin: 0.25rem 0 1.5rem; font-size: 14px; }
.login-error { color: var(--accent-climb-text); font-size: 13px; margin-bottom: 1rem; }
.login-card form { display: flex; flex-direction: column; gap: 0.75rem; text-align: left; }
.login-card label { font-size: 13px; color: var(--text-secondary); }
.login-card input[type=password] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 15px;
}
.login-card button {
  margin-top: 0.5rem;
  background: var(--accent-climb);
  color: #2A1206;
  border: none;
  border-radius: var(--radius);
  padding: 11px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
}
.login-card button:hover { filter: brightness(1.08); }

/* ---------- Layout ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.topbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 19px; letter-spacing: 0.02em;
}
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  text-decoration: none;
}
.btn:hover { border-color: var(--text-secondary); }
.btn-accent { background: var(--accent-climb); color: #2A1206; border-color: transparent; font-weight: 500; }
.strava-status { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.strava-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-rest); display: inline-block; }

.wrap { max-width: 980px; margin: 0 auto; padding: 1.5rem; display: flex; flex-direction: column; gap: 1.25rem; }

.goals { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.goal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
  position: relative;
}
.goal-label { color: var(--text-secondary); font-size: 12px; margin: 0 0 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.goal-name { font-size: 21px; }
.goal-date { color: var(--text-secondary); font-size: 13px; margin: 4px 0 10px; }
.goal-countdown { margin: 0 0 12px; display: flex; align-items: baseline; gap: 6px; }
.goal-days { font-family: var(--font-mono); font-size: 34px; color: var(--accent-climb-text); }
.goal-days-label { color: var(--text-secondary); font-size: 13px; }
.goal-track { height: 4px; background: var(--surface-2); border-radius: 2px; overflow: hidden; }
.goal-track-fill { height: 100%; background: var(--accent-climb); width: 0%; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.25rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
}
.card h3 { font-size: 16px; margin-bottom: 0.9rem; display: flex; align-items: baseline; gap: 6px; }
.chart-wrap { position: relative; height: 220px; }

.zones-box { display: flex; flex-direction: column; gap: 6px; }
.zone-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.zone-swatch { width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0; }
.zone-range { font-family: var(--font-mono); color: var(--text-secondary); min-width: 90px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-secondary); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
td.num { font-family: var(--font-mono); }

.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.checklist label { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; }
.checklist input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent-climb); }
.checklist li:has(input:checked) label { color: var(--text-secondary); text-decoration: line-through; }

/* ---------- Planes generados por IA ---------- */
.plan-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.plan-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
}
.plan-tab.active { background: var(--accent-climb); color: #2A1206; border-color: transparent; font-weight: 500; }
.plan-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.plan-actions { display: flex; align-items: center; gap: 10px; }
.plan-body { display: flex; flex-direction: column; gap: 1rem; }
.plan-section-heading { font-family: var(--font-display); font-size: 15px; margin: 0 0 6px; color: var(--accent-climb-text); }
.plan-section-items { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.plan-notes { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 13px; white-space: pre-line; }
.plan-error { color: var(--accent-climb-text); font-size: 14px; }

@media (max-width: 640px) {
  .topbar { padding: 0.85rem 1rem; }
  .wrap { padding: 1rem; }
}