:root {
  --bg: #111318;
  --card-bg: #1a1d24;
  --card-bg-raised: #20242e;
  --border: #2a2d36;
  --text: #eef0f4;
  --text-dim: #8b909c;
  --accent: #4c7cf3;
  --green: #3ecf8e;
  --green-dim: #1f4d3c;
  --orange: #f39c12;
  --red: #ff6b6b;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
}

h1 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

button {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: white;
  transition: opacity 0.15s, transform 0.1s;
}

button:active {
  opacity: 0.85;
  transform: scale(0.98);
}

button.btn-secondary {
  background: var(--card-bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
}

#login-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 40vh;
}

#login-error {
  color: #ff6b6b;
  font-size: 0.9rem;
}

#app-view {
  width: 100%;
  max-width: 480px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  background: var(--card-bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn.btn-danger {
  background: var(--red);
  border-color: var(--red);
  color: white;
  font-weight: bold;
}

#app-error {
  color: #ff6b6b;
  background: #2a1a1d;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

section {
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

section h2 {
  font-size: 1.1rem;
  margin-top: 0;
}

.home-status {
  margin-top: 4px;
  text-align: center;
}

.home-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.home-actions button {
  flex: 1;
  min-width: 140px;
}

.home-actions .icon-btn {
  flex: 0 0 auto;
  min-width: 0;
}

textarea,
input {
  font-size: 1rem;
  font-family: inherit;
  color: #eef0f4;
  background: #111318;
  border: 1px solid #2a2d36;
  border-radius: 6px;
  padding: 10px;
  width: 100%;
}

#plan-json-input {
  margin-bottom: 12px;
  resize: vertical;
}

#plan-status {
  font-size: 0.9rem;
  color: #8b909c;
}

.plan-upload-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

#draft-resume-banner {
  background: #232733;
  border-radius: 8px;
  padding: 10px;
  margin-top: 16px;
  text-align: center;
}

#draft-resume-text {
  font-size: 0.85rem;
}

#draft-resume-banner button {
  margin: 6px 4px 0;
  padding: 8px 16px;
  font-size: 0.85rem;
}

.label-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 12px 0 16px;
}

.label-btn {
  background: var(--card-bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 18px;
}

.label-btn-suggested {
  background: rgba(76, 124, 243, 0.16);
  border: 1px solid var(--accent);
  color: #cddaff;
}

.action-menu {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.set-input-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 12px 0;
}

.set-input-row input {
  min-width: 0;
  padding: 10px 8px;
  text-align: center;
}

.set-input-row button {
  grid-column: 1 / -1;
}

.set-input-row-single {
  grid-template-columns: 1fr;
}

.band-select {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 12px;
}

.band-select-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-right: 4px;
}

.band-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.band-btn.band-btn-selected {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.rpe-stars {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0 0 12px;
}

.rpe-stars-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-right: 4px;
}

.rpe-star {
  background: none;
  border: none;
  padding: 2px;
  margin: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--border);
  cursor: pointer;
  transition: color 0.1s, transform 0.1s;
}

.rpe-star:active {
  transform: scale(0.9);
}

.rpe-star-filled {
  color: var(--orange);
}

.rpe-value {
  margin-left: 4px;
  font-size: 0.8rem;
  color: var(--text-dim);
  min-width: 1.5em;
}

.session-header {
  text-align: center;
  margin-bottom: 8px;
}

.session-part {
  margin-bottom: 14px;
  padding: 12px;
  background: var(--card-bg-raised);
  border-radius: 8px;
}

.session-part:last-child {
  margin-bottom: 0;
}

.session-part-name {
  margin: 0 0 2px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

.session-part-reps {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

.session-part-target {
  margin: -4px 0 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

.session-part-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.session-part-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.session-part-progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.2s ease;
}

.session-part-progress-done .session-part-progress-fill {
  background: var(--green);
}

.session-part .set-input-row {
  margin: 0 0 8px;
}

.session-part-log {
  font-size: 0.9rem;
  color: #c3c7d1;
}

.session-part-log div {
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.session-part-log div:last-child {
  border-bottom: none;
}

#session-deload-badge {
  display: inline-block;
  background: #f39c12;
  color: #111318;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.rest-timer-section {
  text-align: center;
  background: var(--bg);
  border-radius: 8px;
  padding: 16px;
  margin: 12px 0 0;
}

.timer-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.timer-ring-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 8px auto 12px;
}

.timer-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 8;
}

.timer-ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.2s linear;
}

.timer-ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  font-weight: bold;
  font-variant-numeric: tabular-nums;
}

.session-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.session-nav-btn {
  width: 52px;
  height: 52px;
  padding: 0;
  font-size: 1.6rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.session-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

#summary-table th,
#summary-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid #2a2d36;
}

#summary-notes {
  margin-bottom: 12px;
  resize: vertical;
}

.summary-heading {
  text-align: center;
}

.summary-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Calendar */

.calendar {
  margin-bottom: 16px;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-weight: 600;
}

.calendar-nav-btn {
  background: var(--card-bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 1.1rem;
  line-height: 1;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-weekdays {
  margin-bottom: 4px;
  font-size: 0.7rem;
  color: var(--text-dim);
  text-align: center;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--card-bg-raised);
  font-size: 0.8rem;
  gap: 2px;
  cursor: pointer;
}

.calendar-day-empty {
  background: transparent;
  cursor: default;
}

.calendar-day-today {
  box-shadow: inset 0 0 0 1.5px var(--accent);
}

.calendar-day-num {
  color: var(--text-dim);
}

.calendar-day-completed {
  background: var(--green-dim);
}

.calendar-day-completed .calendar-day-num {
  color: var(--green);
}

.calendar-day-completed .calendar-day-mark {
  color: var(--green);
  font-weight: bold;
  font-size: 0.75rem;
}

.calendar-day-skipped {
  background: rgba(243, 156, 18, 0.14);
}

.calendar-day-skipped .calendar-day-num {
  color: var(--orange);
}

.calendar-day-skipped .calendar-day-mark {
  color: var(--orange);
  font-weight: bold;
  font-size: 0.75rem;
}

.calendar-legend {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.calendar-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.calendar-day-detail {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--text);
  text-align: center;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.dot-completed {
  background: var(--green);
}

.dot-skipped {
  background: var(--orange);
}

/* Stage progress */

.stage-progress {
  margin-top: 8px;
}

.stage-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.stage-squares {
  display: flex;
  gap: 8px;
  justify-content: space-between;
}

.stage-square-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.stage-square {
  position: relative;
  width: 100%;
  max-width: 40px;
  aspect-ratio: 1;
  background: var(--card-bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.stage-square-fill {
  width: 100%;
  background: var(--accent);
  transition: height 0.2s ease;
}

.stage-square-complete .stage-square-fill {
  background: var(--green);
}

.stage-square-current .stage-square-fill {
  background: var(--accent);
}

.stage-square-deload {
  border-color: var(--orange);
}

.stage-square-label {
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* Session progress dots */

.session-progress {
  margin-bottom: 10px;
}

#session-progress-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0 0 6px;
  text-align: center;
}

.session-progress-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.session-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--border);
}

.session-dot-current {
  background: var(--accent);
  transform: scale(1.2);
}

.session-dot-done {
  background: var(--green);
}

.session-dot-partial {
  background: var(--orange);
}