:root {
  --paper: #ebe3d1;
  --paper-dark: #ddd3bd;
  --ink: #1c1a16;
  --ink-soft: #3a342a;
  --accent: #6b2c1f;
  --accent-soft: #8b3e2c;
  --gold: #a8853c;
  --line: #1c1a1633;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'EB Garamond', serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  background-image:
    repeating-linear-gradient(45deg, rgba(28,26,22,0.015) 0 12px, transparent 12px 24px),
    repeating-linear-gradient(-45deg, rgba(28,26,22,0.015) 0 12px, transparent 12px 24px);
  padding: 32px 20px max(20px, env(safe-area-inset-bottom));
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
}
.container { max-width: 720px; margin: 0 auto; }

header {
  text-align: center;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 18px;
  margin-bottom: 28px;
  position: relative;
}
header::before, header::after {
  content: "♞";
  position: absolute; top: 8px;
  font-size: 22px; color: var(--accent);
}
header::before { left: 0; }
header::after { right: 0; transform: scaleX(-1); }
.brand { font-size: 44px; font-weight: 600; letter-spacing: 0.18em; line-height: 1; }
.tagline { font-style: italic; font-size: 14px; color: var(--ink-soft); margin-top: 6px; letter-spacing: 0.05em; }

.tabs { display: flex; justify-content: center; margin-bottom: 32px; border-bottom: 1px solid var(--line); }
.tab {
  background: none; border: none;
  padding: 12px 24px; min-height: 44px;
  font-family: 'EB Garamond', serif;
  font-size: 17px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-soft); cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px; transition: all 0.2s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 500; }
.view { display: none; }
.view.active { display: block; }

.activities { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 32px; }
.activity {
  background: var(--paper-dark); border: 1px solid var(--ink);
  padding: 16px 10px; cursor: pointer; text-align: center;
  transition: all 0.18s; position: relative;
  min-height: 44px; touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.activity:hover { background: var(--ink); color: var(--paper); }
.activity.selected { background: var(--ink); color: var(--paper); }
.activity.selected::after {
  content: ""; position: absolute; inset: 3px;
  border: 1px solid var(--paper); pointer-events: none;
}
.activity-icon { font-size: 22px; margin-bottom: 4px; color: var(--accent); }
.activity.selected .activity-icon { color: var(--gold); }
.activity-name { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; }
.activity-target { font-family: 'JetBrains Mono', monospace; font-size: 10px; opacity: 0.6; margin-top: 3px; }

.timer-card {
  background: var(--ink); color: var(--paper);
  padding: 40px 20px 30px; text-align: center;
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--accent); margin-bottom: 24px;
  overflow: hidden;
}
.timer-label {
  font-style: italic; font-size: 14px;
  letter-spacing: 0.2em; text-transform: uppercase;
  opacity: 0.6; margin-bottom: 14px;
}
.timer-label .selected-name { color: var(--gold); font-style: normal; }
.timer-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 72px; font-weight: 300; letter-spacing: 0.05em;
  color: var(--paper); line-height: 1;
  overflow: hidden; text-overflow: clip;
}
.timer-display.running { color: var(--gold); }

.controls { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.btn {
  background: var(--paper); border: 1px solid var(--ink); color: var(--ink);
  padding: 14px 8px; min-height: 44px;
  font-family: 'EB Garamond', serif;
  font-size: 15px; letter-spacing: 0.15em; text-transform: uppercase; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.btn:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--ink); border-color: var(--ink); }
.btn-save { width: 100%; background: var(--paper); border: 1px dashed var(--ink); padding: 12px; min-height: 44px; }
.btn-save:hover:not(:disabled) { background: var(--gold); border-style: solid; color: var(--ink); }

.manual-toggle {
  display: flex; align-items: center; justify-content: center;
  margin-top: 18px;
  background: none; border: none;
  color: var(--ink-soft);
  font-family: 'EB Garamond', serif;
  font-style: italic; font-size: 14px; letter-spacing: 0.05em;
  cursor: pointer; width: 100%; padding: 8px; min-height: 44px;
  transition: color 0.2s; touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.manual-toggle:hover { color: var(--accent); }
.manual-toggle .chev { display: inline-block; transition: transform 0.2s; margin-left: 4px; }
.manual-toggle.open .chev { transform: rotate(180deg); }

.manual-form {
  margin-top: 8px; padding: 20px;
  background: var(--paper-dark); border: 1px solid var(--ink);
  display: none;
}
.manual-form.open { display: block; }
.manual-form-title {
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 14px; text-align: center;
}
.manual-fields { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: 8px; margin-bottom: 10px; }
.manual-field { display: flex; flex-direction: column; }
.manual-field label {
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 4px;
}
.manual-field select, .manual-field input {
  font-family: 'JetBrains Mono', monospace;
  background: var(--paper); border: 1px solid var(--ink);
  padding: 8px; font-size: 13px; color: var(--ink);
  min-height: 44px;
}
.btn-add-manual {
  width: 100%; padding: 10px; min-height: 44px;
  background: var(--paper); border: 1px solid var(--ink);
  font-family: 'EB Garamond', serif;
  font-size: 14px; letter-spacing: 0.15em; text-transform: uppercase;
  cursor: pointer; transition: all 0.15s;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.btn-add-manual:hover { background: var(--ink); color: var(--paper); }

.toast {
  position: fixed; bottom: max(24px, env(safe-area-inset-bottom)); left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper);
  padding: 12px 24px;
  font-style: italic; font-size: 15px;
  opacity: 0; transition: all 0.3s;
  pointer-events: none; z-index: 100;
  border-left: 3px solid var(--gold);
  max-width: calc(100vw - 40px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.date-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 28px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.date-bar h2 { font-size: 24px; font-weight: 500; letter-spacing: 0.05em; }
.date-input {
  font-family: 'JetBrains Mono', monospace;
  background: var(--paper-dark); border: 1px solid var(--ink);
  padding: 7px 10px; font-size: 13px; color: var(--ink); cursor: pointer;
  min-height: 44px;
}

.total-display {
  text-align: center; margin-bottom: 30px;
  padding: 20px; background: var(--paper-dark); border: 1px solid var(--ink);
}
.total-label {
  font-style: italic; font-size: 13px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 6px;
}
.total-time { font-family: 'JetBrains Mono', monospace; font-size: 38px; font-weight: 400; color: var(--ink); }

.stat-row { margin-bottom: 16px; }
.stat-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 5px; }
.stat-name { font-size: 16px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
.stat-name .ico { color: var(--accent); margin-right: 6px; }
.stat-values { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--ink-soft); }
.stat-values .pct { color: var(--accent); font-weight: 500; margin-left: 10px; }
.bar-track { height: 14px; background: var(--paper-dark); border: 1px solid var(--ink); position: relative; overflow: hidden; }
.bar-fill {
  height: 100%;
  background-image: repeating-linear-gradient(45deg, var(--ink) 0 4px, var(--ink-soft) 4px 8px);
  transition: width 0.5s ease;
}
.bar-fill.off-target {
  background-image: repeating-linear-gradient(45deg, var(--accent) 0 4px, var(--accent-soft) 4px 8px);
}
.stat-target {
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--ink-soft); opacity: 0.7;
}

.sessions-block {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line);
}
.sessions-title {
  font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 14px;
}
.session-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  background: var(--paper-dark); border: 1px solid var(--line);
  margin-bottom: 6px; min-height: 44px;
}
.session-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.session-icon { color: var(--accent); font-size: 18px; }
.session-info { display: flex; flex-direction: column; min-width: 0; }
.session-name { font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500; }
.session-meta { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-soft); margin-top: 2px; }
.session-right { display: flex; align-items: center; gap: 8px; }
.session-duration { font-family: 'JetBrains Mono', monospace; font-size: 14px; }
.session-delete {
  background: var(--paper); border: 1px solid var(--ink); color: var(--ink);
  width: 44px; height: 44px; cursor: pointer;
  font-size: 18px; line-height: 1; padding: 0;
  font-family: 'EB Garamond', serif; transition: all 0.15s;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.session-delete:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }

.empty-state { text-align: center; padding: 50px 20px; color: var(--ink-soft); font-style: italic; font-size: 17px; }
.empty-state::before { content: "♟"; display: block; font-size: 38px; margin-bottom: 12px; color: var(--accent); }

.notes-block { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.notes-textarea {
  width: 100%; min-height: 96px;
  font-family: 'EB Garamond', serif; font-size: 15px; line-height: 1.6;
  background: var(--paper-dark); border: 1px solid var(--ink);
  padding: 12px; color: var(--ink); resize: vertical;
}
.notes-textarea:focus { outline: none; border-color: var(--accent); }
.notes-textarea::placeholder { color: var(--ink-soft); font-style: italic; opacity: 0.7; }
.notes-save-btn { margin-top: 8px; }

/* --- data section --- */
.data-section {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line);
}
.data-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.data-buttons .btn { flex: 1; min-width: 120px; font-size: 13px; }

/* --- achievements --- */
.achievements-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.achievements-header h2 { font-size: 24px; font-weight: 500; letter-spacing: 0.05em; }
.ach-fraction { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--ink-soft); }
.ach-progress-bar { margin-bottom: 28px; }
.tier-section { margin-bottom: 32px; }
.ach-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.ach-card { padding: 14px; position: relative; }
.ach-card.unlocked { background: var(--paper-dark); border: 1px solid var(--ink); }
.ach-card.locked { background: var(--paper-dark); border: 1px dashed var(--line); opacity: 0.45; }
.ach-card.locked .ach-name { font-style: italic; }
.ach-corner-icon { position: absolute; top: 10px; right: 12px; color: var(--gold); font-size: 14px; line-height: 1; }
.ach-tier-badge { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; margin-bottom: 5px; }
.ach-tier-easy { color: var(--ink); }
.ach-tier-medium { color: var(--ink-soft); }
.ach-tier-hard { color: var(--accent); }
.ach-tier-brutal { color: var(--accent-soft); }
.ach-tier-insane { color: var(--gold); }
.ach-name { font-size: 16px; font-weight: 500; margin-bottom: 4px; line-height: 1.2; }
.ach-desc { font-style: italic; font-size: 13px; color: var(--ink-soft); line-height: 1.4; margin-bottom: 4px; }
.ach-date { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-soft); }
.toast-unlock { border-left: 5px solid var(--gold) !important; font-style: normal !important; }
.toast-rankup { font-size: 17px !important; padding: 16px 28px !important; }

/* --- path --- */
.path-layout { display: grid; grid-template-columns: 3fr 2fr; gap: 24px; align-items: start; }
.path-mountain-col { display: flex; justify-content: center; }
.mountain-svg { width: 100%; max-width: 360px; height: auto; display: block; }
.path-rank-label { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.path-current-piece { font-size: 48px; color: var(--accent); line-height: 1; margin-bottom: 6px; }
.path-current-name { font-size: 24px; font-weight: 500; letter-spacing: 0.02em; margin-bottom: 6px; }
.path-current-desc { font-style: italic; font-size: 14px; color: var(--ink-soft); margin-bottom: 8px; line-height: 1.5; }
.path-current-stat { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-soft); }
.path-ascending { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.path-ascending-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.path-ascending-name { font-size: 15px; }
.path-ascending-pct { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--ink-soft); }
.path-ascending-sub { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-soft); margin-top: 6px; }
.path-summit-msg { font-style: italic; font-size: 15px; color: var(--gold); }
.path-ladder { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.path-ladder-row {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px 7px 10px; min-height: 36px;
  border-left: 3px solid transparent; margin-bottom: 1px;
}
.path-ladder-row.is-current { border-left-color: var(--gold); background: var(--paper-dark); }
.path-ladder-row.is-unreached { opacity: 0.45; }
.path-ladder-row.is-unreached .path-ladder-name { font-style: italic; }
.path-ladder-piece { font-size: 18px; color: var(--accent); line-height: 1; min-width: 22px; }
.path-ladder-name { font-size: 14px; font-weight: 500; flex: 1; }
.path-ladder-hours { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-soft); }

/* --- migration modal --- */
.migration-modal {
  position: fixed; inset: 0;
  background: rgba(28,26,22,0.88);
  z-index: 200; align-items: center; justify-content: center;
  padding: 20px;
}
.migration-inner {
  background: var(--paper); border: 2px solid var(--ink);
  padding: 36px 32px; max-width: 400px; width: 100%;
  text-align: center;
  box-shadow: 8px 8px 0 var(--accent);
}
.migration-inner p { font-style: italic; font-size: 16px; color: var(--ink-soft); line-height: 1.6; margin-bottom: 24px; }
.migration-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.migration-buttons .btn { flex: 1; min-width: 120px; }

footer {
  text-align: center; margin-top: 40px;
  padding-top: 20px; border-top: 1px solid var(--line);
  font-style: italic; font-size: 12px; color: var(--ink-soft); letter-spacing: 0.1em;
}

/* --- responsive --- */
@media (max-width: 480px) {
  .timer-display { font-size: 54px; }
  .brand { font-size: 34px; }
  .controls { grid-template-columns: 1fr; }
  .activities { grid-template-columns: repeat(2, 1fr); }
  .manual-fields { grid-template-columns: 1fr; }
  .ach-grid { grid-template-columns: 1fr; }
  .path-layout { grid-template-columns: 1fr; }
  .tabs { gap: 0; }
  .tab { padding: 12px 16px; font-size: 14px; }
}
@media (max-width: 360px) {
  .timer-display { font-size: 44px; }
}