/* ── Reset & base ──────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:               #1e1e1e;
  --surface:          #252526;
  --surface-2:        #2d2d30;
  --surface-3:        #3a3a3c;
  --separator:        rgba(84,84,88,.65);
  --text:             #ffffff;
  --text-secondary:   #ebebf5;
  --text-tertiary:    rgba(235,235,245,.6);
  --text-quaternary:  rgba(235,235,245,.4);

  --blue:             #0a84ff;
  --green:            #30d158;
  --orange:           #ff9f0a;
  --xcode-purple:     #d0a8ff;
  --red:              #ff453a;

  --font-ui:  -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', system-ui, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, Menlo, Monaco, 'Cascadia Code', monospace;

  --radius-card: 10px;
  --radius-pill: 7px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

body {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* ── Layout ────────────────────────────────────────────────────────────────── */

#app {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.app-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: center;
}

/* ── Segmented control ─────────────────────────────────────────────────────── */

.seg-control {
  background: var(--surface-2);
  border-radius: 9px;
  padding: 2px;
  display: flex;
  gap: 2px;
}

.seg-btn {
  flex: 1;
  padding: 6px 0;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.2px;
  cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
}

.seg-btn.active {
  background: var(--surface-3);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,.4), 0 0.5px 1px rgba(0,0,0,.3);
}

/* ── Tab panels ────────────────────────────────────────────────────────────── */

.tab-panel { flex: 1; padding: 0 16px 32px; overflow-y: auto; }
.tab-panel.hidden { display: none; }

/* ── Cycle navigation bar ──────────────────────────────────────────────────── */

.cycle-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-top: 4px;
}

.cycle-bar-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

#cycle-label {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--text);
}

.cycle-status-badge {
  font-size: 12px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: -0.1px;
}

.status-active   { background: rgba(10,132,255,.18); color: var(--blue); }
.status-warning  { background: rgba(255,159,10,.18); color: var(--orange); }
.status-closed   { background: rgba(235,235,245,.1);  color: var(--text-tertiary); }
.status-upcoming { background: rgba(235,235,245,.1);  color: var(--text-secondary); }

.nav-btn {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .1s;
  -webkit-tap-highlight-color: transparent;
}

.nav-btn:active { background: var(--surface-3); }

/* ── Hero percentage ───────────────────────────────────────────────────────── */

.hero-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 20px 16px 16px;
  margin-bottom: 12px;
  text-align: center;
}

#hero-pct {
  display: block;
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.7px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 12px;
  color: var(--text);
}

/* ── Progress bar ──────────────────────────────────────────────────────────── */

.bar-wrap {
  position: relative;
  height: 8px;
  background: var(--surface-3);
  border-radius: 4px;
  overflow: visible;
  margin-bottom: 4px;
}

.bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .4s cubic-bezier(.4,0,.2,1), background-color .3s;
}

.bar-blue   { background: var(--blue); }
.bar-green  { background: var(--green); }
.bar-purple { background: var(--xcode-purple); }

.bar-ticks {
  position: relative;
  height: 14px;
  margin-bottom: 2px;
}

.bar-tick {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-size: 10px;
  color: var(--text-quaternary);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.bar-tick::before {
  content: '';
  display: block;
  width: 1px;
  height: 4px;
  background: var(--separator);
  margin: 0 auto 1px;
}

/* ── Card / grouped inset style ────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 12px;
}

.card-header {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 0 0 6px 0;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  position: relative;
}

.row + .row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 0.5px;
  background: var(--separator);
}

.row-label {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: -0.2px;
}

.row-value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  letter-spacing: -0.2px;
}

.row-value.dim { color: var(--text-tertiary); }

/* ── Number inputs ─────────────────────────────────────────────────────────── */

.num-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.2px;
  text-align: right;
  width: 80px;
  padding: 0;
  -moz-appearance: textfield;
}

.num-input::-webkit-outer-spin-button,
.num-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.num-input::placeholder { color: var(--text-quaternary); }

.num-input[readonly] {
  color: var(--text-tertiary);
  pointer-events: none;
}

/* ── Milestone cards ───────────────────────────────────────────────────────── */

.milestones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.milestone-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 14px;
}

.ms-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.ms-target {
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.ms-status {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.ms-togo    { color: var(--text); }
.ms-achieved { color: var(--green); }
.ms-check   { margin-right: 2px; }

/* ── Pace section ──────────────────────────────────────────────────────────── */

.section-header {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 0 4px 6px;
}

/* ── Smart status ──────────────────────────────────────────────────────────── */

#smart-status {
  font-size: 14px;
  color: var(--text-tertiary);
  text-align: center;
  padding: 4px 8px 0;
  letter-spacing: -0.2px;
  line-height: 1.4;
}

/* ── Cycles tab ────────────────────────────────────────────────────────────── */

.info-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 20px;
}

.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  position: relative;
}

.info-row + .info-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 0.5px;
  background: var(--separator);
}

.info-row-label {
  font-size: 15px;
  color: var(--text-secondary);
  letter-spacing: -0.2px;
}

.info-row-value {
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: -0.2px;
  text-align: right;
  max-width: 55%;
}

/* ── Cycle list ────────────────────────────────────────────────────────────── */

#cycles-list {
  background: var(--surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 16px;
}

.cycle-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  position: relative;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background .1s;
}

.cycle-list-item:active { background: var(--surface-2); }

.cycle-list-item + .cycle-list-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 0.5px;
  background: var(--separator);
}

.cycle-current {
  border-left: 3px solid var(--blue);
}

.cli-left { display: flex; flex-direction: column; gap: 2px; }

.cli-month {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.3px;
  color: var(--text);
}

.cli-dates {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: -0.1px;
}

.cli-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cli-pct {
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}

.cli-pct.dim { color: var(--text-quaternary); }

.cli-chevron {
  color: var(--text-quaternary);
  font-size: 16px;
}

/* ── Add cycle button ──────────────────────────────────────────────────────── */

#btn-add-cycle {
  width: 100%;
  padding: 13px 16px;
  background: var(--surface);
  border: none;
  border-radius: var(--radius-card);
  color: var(--blue);
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.2px;
  cursor: pointer;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
  transition: background .1s;
}

#btn-add-cycle:active { background: var(--surface-2); }

/* ── Utility ───────────────────────────────────────────────────────────────── */

.hidden { display: none !important; }
.spacer-sm { height: 8px; }
.spacer-md { height: 16px; }