:root {
  --bg: #16191a;
  --surface: #1f2325;
  --surface-2: #262b2d;
  --text: #e8e6e1;
  --text-dim: #8b9194;
  --border: #33393c;
  --bici: #4fb0d9;
  --running: #e0a340;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
}

.topbar h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.legend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-left: 10px;
}
.dot:first-child { margin-left: 0; }
.dot.bici { background: var(--bici); }
.dot.running { background: var(--running); }

.progress-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.progress-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.progress-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.progress-card.small { padding: 12px 14px; }

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.progress-card.small .progress-label {
  font-size: 0.75rem;
}

.bar {
  height: 6px;
  background: var(--surface-2);
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  transition: width 0.3s ease;
}
.bar-fill.week { background: linear-gradient(90deg, var(--bici), var(--running)); }
.bar-fill.bici { background: var(--bici); }
.bar-fill.running { background: var(--running); }

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.calendar-nav span {
  font-weight: 600;
  text-transform: capitalize;
  font-size: 0.95rem;
}

.calendar-nav button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.day-name {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-dim);
  padding-bottom: 4px;
}

.day-cell {
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  gap: 2px;
  position: relative;
}

.day-cell.empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
}

.day-cell.today {
  border-color: var(--text-dim);
}

.day-cell .day-num {
  font-weight: 600;
}

.day-cell .day-km {
  font-size: 0.62rem;
  color: var(--text-dim);
}

.day-cell .day-dots {
  display: flex;
  gap: 3px;
  position: absolute;
  bottom: 4px;
}

.day-cell .day-dots .dot {
  width: 5px;
  height: 5px;
  margin: 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  z-index: 10;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--surface);
  border-radius: 16px 16px 0 0;
  width: 100%;
  padding: 20px 16px 28px;
  max-width: 480px;
  margin: 0 auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-weight: 600;
  text-transform: capitalize;
}

.modal-header button {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

#modal-entries {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.entry-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-2);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.85rem;
}

.entry-row .entry-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.entry-row button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

select, input, button {
  font-family: inherit;
  font-size: 0.9rem;
}

select, input[type="number"], input[type="password"] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 8px;
  width: 100%;
}

#entry-form button, #token-save {
  width: 100%;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 11px;
  font-weight: 600;
  cursor: pointer;
}

.hidden { display: none !important; }

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-form {
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.login-form h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.login-form p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 18px;
}

.login-form input {
  margin-bottom: 10px;
  text-align: center;
}

.login-form button {
  width: 100%;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-weight: 600;
  cursor: pointer;
}

.login-error {
  color: var(--running);
  font-size: 0.8rem;
  margin: 10px 0 0;
}

.link-btn {
  display: block;
  margin: 12px auto 0;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.78rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 6px;
}

/* ===== Tablet / Desktop ===== */
@media (min-width: 720px) {
  .app {
    max-width: 880px;
    padding: 40px 24px 60px;
    display: grid;
    grid-template-columns: 300px 1fr;
    column-gap: 32px;
    row-gap: 0;
  }

  .topbar {
    grid-column: 1 / -1;
    margin-bottom: 32px;
  }

  .topbar h1 { font-size: 1.7rem; }

  .progress-panel {
    grid-column: 1;
    margin-bottom: 0;
  }

  .progress-row { grid-template-columns: 1fr; }

  .calendar-section { grid-column: 2; }

  .calendar-nav span { font-size: 1.1rem; }

  .day-cell { font-size: 0.95rem; }
  .day-cell .day-km { font-size: 0.7rem; }

  /* Modal como diálogo centrado, no bottom-sheet */
  .modal-overlay {
    align-items: center;
    padding: 20px;
  }

  .modal {
    border-radius: 16px;
    max-width: 420px;
    padding: 24px;
  }

  .login-form { max-width: 360px; }
}

@media (min-width: 1100px) {
  .app {
    max-width: 1040px;
    grid-template-columns: 340px 1fr;
  }

  .day-cell { font-size: 1rem; }
}