:root {
  --bg: #1b1b1d;
  --panel: #242427;
  --panel-alt: #2c2c30;
  --border: #3a3a3e;
  --text: #f1efe7;
  --text-muted: #9a9892;
  --accent: #d7263d;
  --accent-soft: rgba(215, 38, 61, 0.16);
  --brass: #c9a227;
  --radius: 14px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  padding-bottom: 24px;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 8px;
}

header.app-header {
  padding: 6px 0 22px;
}

.eyebrow {
  font-family: 'Oswald', system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 6px;
}

h1 {
  font-family: 'Oswald', system-ui, sans-serif;
  font-weight: 600;
  font-size: 30px;
  letter-spacing: 0.02em;
  margin: 0;
  text-transform: uppercase;
}

h1 span { color: var(--accent); }

.subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin: 8px 0 0;
  line-height: 1.5;
}

/* upload slot, styled like a slot for a weight plate */
.upload-slot {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 28px 18px;
  text-align: center;
  margin-top: 18px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.upload-slot.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.upload-slot input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.plate-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 50%;
  border: 4px solid var(--text);
  position: relative;
  display: grid;
  place-items: center;
}

.plate-icon::after {
  content: '';
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--text);
}

.upload-title {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 4px;
}

.upload-hint {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0;
}

.filename-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  margin-top: 14px;
  color: var(--text-muted);
}

/* settings row */
.settings-row {
  margin-top: 20px;
  display: none;
}

.settings-row.visible { display: block; }

.settings-label {
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
}

.chip.active {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-soft);
}

.rounding-note {
  font-size: 12px;
  color: var(--text-muted);
  margin: 10px 0 0;
  line-height: 1.5;
}

/* results */
#results { margin-top: 8px; }

.session-block {
  margin-top: 26px;
}

.session-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  cursor: pointer;
}

.session-title::before {
  content: '';
  width: 18px;
  height: 3px;
  background: var(--accent);
  display: inline-block;
}

.session-check {
  width: 18px;
  height: 18px;
  accent-color: var(--brass);
  flex-shrink: 0;
  cursor: pointer;
}

.done-tag {
  display: none;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: none;
  font-weight: 500;
  color: var(--brass);
  border: 1px solid var(--brass);
  border-radius: 999px;
  padding: 2px 8px;
}

.session-block.collapsed .session-title {
  opacity: 0.55;
}

.session-block.collapsed .session-title::before {
  background: var(--brass);
}

.session-block.collapsed .done-tag {
  display: inline-block;
}

.session-block.collapsed .session-body {
  display: none;
}

.column-legend {
  display: flex;
  gap: 8px;
  padding: 0 14px;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.legend-name { flex: 1; }
.legend-carga { width: 64px; text-align: center; }
.legend-mid { width: 96px; text-align: center; }

.exercise-row {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 12px 10px;
  margin-bottom: 8px;
}

.exercise-row .row-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.name-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 0;
  min-width: 0;
}

.plate-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--panel-alt);
  border: 2px solid var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.plate-badge input {
  width: 100%;
  text-align: center;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 13px;
  padding: 0;
}

.badge-unit {
  font-family: 'Oswald', sans-serif;
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1;
  margin-top: -2px;
}

#results.unit-lb .plate-badge {
  border-color: var(--brass);
}

#results.unit-lb .badge-unit {
  color: var(--brass);
}

.row-mid {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.mini-field {
  flex: 1;
  min-width: 0;
}

.mini-field label {
  display: block;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.mini-field input {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 6px 8px;
}

.obs-input {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
  padding: 6px 8px;
  margin-top: 8px;
}

.text-line {
  font-size: 13px;
  color: var(--text-muted);
  padding: 3px 4px;
  line-height: 1.5;
}

.text-line.strong {
  color: var(--text);
  font-weight: 600;
  font-family: 'Oswald', sans-serif;
  letter-spacing: 0.02em;
  margin-top: 6px;
}

.wod-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brass);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
}

.status-line {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
  min-height: 16px;
}

.status-line.error { color: var(--accent); }

footer.app-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 32px;
  opacity: 0.7;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}