:root {
  color-scheme: dark;
  --app-width: 1040px;
  --stage-gap: clamp(10px, 2vw, 22px);
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--rm-stage-deep);
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--rm-paper);
  background:
    radial-gradient(circle at 50% -12%, rgba(54,167,210,.16), transparent 34rem),
    repeating-linear-gradient(0deg, transparent 0 34px, rgba(134,199,223,.05) 34px 35px),
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(134,199,223,.04) 34px 35px),
    var(--rm-stage-deep);
  font-family: var(--rm-font-display);
  transition: background 240ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 12px;
  z-index: -1;
  border: 1px solid rgba(134,199,223,.16);
  pointer-events: none;
}

button,
input { font: inherit; }
button,
a[href] { cursor: pointer; }
button:disabled { cursor: not-allowed; }

.skip-link {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 300;
  padding: 10px 14px;
  color: var(--rm-paper);
  background: var(--rm-ink);
  font: 700 10px/1 var(--rm-font-technical);
  text-transform: uppercase;
}
.skip-link:focus { top: 12px; }

.home-link {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  z-index: 100;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  color: var(--rm-ink);
  text-decoration: none;
  font-size: 8px;
}

.stage-shell {
  width: min(calc(100% - (var(--stage-gap) * 2)), var(--app-width));
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-content: center;
  gap: 10px;
  margin: 0 auto;
  padding: max(64px, calc(env(safe-area-inset-top) + 52px)) 0 max(20px, env(safe-area-inset-bottom));
}

.technical-rail {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 11px;
  color: rgba(243,238,228,.62);
  border: 1px solid rgba(134,199,223,.22);
  background: rgba(15,17,19,.78);
  font: 700 8px/1.35 var(--rm-font-technical);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.technical-rail span:last-child { color: var(--rm-cyan); text-align: right; }

.apparatus {
  min-height: min(760px, calc(100dvh - 110px));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 16px;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 42px);
}

.apparatus-header,
.workbench,
.apparatus-footer,
.mode-switch {
  position: relative;
  z-index: 2;
}

.apparatus-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 22px;
}
.apparatus-header h1 {
  margin: 5px 0 0;
  color: var(--rm-ink);
  font-size: clamp(2.25rem, 5vw, 4.6rem);
  line-height: .9;
  letter-spacing: -.055em;
  text-transform: uppercase;
}
.header-register {
  display: grid;
  gap: 4px;
  color: var(--rm-ink-soft);
  font: 700 8px/1.3 var(--rm-font-technical);
  letter-spacing: .1em;
  text-align: right;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
}
.mode-switch button {
  min-height: 42px;
  border: 0;
  color: rgba(22,24,23,.56);
  background: transparent;
  font: 700 9px/1.2 var(--rm-font-technical);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.mode-switch button + button { border-left: 1px solid rgba(54,167,210,.32); }
.mode-switch button[aria-pressed="true"] {
  color: var(--rm-ink);
  background: var(--rm-cyan-pale);
  box-shadow: inset 0 -3px var(--rm-cyan-strong);
}

.workbench {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, .55fr);
  gap: 18px;
}

.clock-module,
.session-module { min-width: 0; }
.clock-module {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: 10px;
}
.clock-register {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  color: var(--rm-ink);
  font: 700 8px/1.2 var(--rm-font-technical);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.clock-face {
  min-height: 310px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  padding: clamp(24px, 4vw, 50px);
  border: 3px solid var(--rm-ink);
  box-shadow: 7px 8px 0 var(--rm-cyan-strong);
}
.clock-copy { min-width: 0; }
.session-name {
  margin: 0 0 7px;
  color: #087da9;
  font: 700 11px/1.3 var(--rm-font-technical);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.timer-display {
  display: block;
  color: var(--rm-ink);
  font-size: clamp(5.5rem, 13vw, 10rem);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.075em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.timer-status {
  min-height: 1.3em;
  margin: 14px 0 0;
  color: var(--rm-ink-soft);
  font: 700 10px/1.3 var(--rm-font-technical);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.tomato-station {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 11px;
}
.tomato-seal {
  width: min(100%, 145px);
  aspect-ratio: 1;
  padding: 8px;
  transform: rotate(1.2deg);
  transition: transform 180ms var(--rm-impact-ease), filter 180ms ease;
}
.tomato-seal img { width: 100%; height: 100%; display: block; }
.tomato-station p {
  margin: 0;
  color: var(--rm-ink-soft);
  font: 700 7px/1.2 var(--rm-font-technical);
  letter-spacing: .12em;
  text-align: center;
}
.progress-marks {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 3px;
}
.progress-mark {
  height: 8px;
  border: 1px solid rgba(22,24,23,.28);
  background: transparent;
  transition: background 130ms ease, transform 130ms var(--rm-impact-ease);
}
.progress-mark.done { background: var(--rm-vermilion); transform: translateY(-2px); }

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}
.control {
  min-height: 47px;
  padding: 10px 12px;
  font-size: 9px;
}
.control-main {
  color: var(--rm-paper) !important;
  border-color: var(--rm-ink) !important;
  background: var(--rm-ink) !important;
  box-shadow: 0 4px 0 #000 !important;
}
.control-main:hover { background: #272a28 !important; }
.control:disabled { opacity: .42; }
.keyboard-hint {
  margin: 0;
  color: var(--rm-ink-soft);
  font: 700 7px/1.35 var(--rm-font-technical);
  letter-spacing: .1em;
  text-align: center;
}

.session-module {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 10px;
}
.session-panel {
  min-height: 0;
  padding: 16px;
  border: 1px solid var(--rm-ink);
  background: rgba(251,248,241,.72);
  box-shadow: 4px 5px 0 rgba(22,24,23,.22);
}
.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 10px;
  margin-bottom: 14px;
}
.panel-heading h2 {
  margin: 4px 0 0;
  color: var(--rm-ink);
  font-size: 1.05rem;
}
.small-command {
  min-height: 38px;
  padding: 8px 10px;
  font-size: 8px;
}
.preset-list,
.cycle-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.preset-item { position: relative; }
.preset-select,
.cycle-step {
  width: 100%;
  min-height: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 9px 34px 9px 10px;
  color: var(--rm-ink);
  border: 1px solid rgba(22,24,23,.28);
  background: var(--rm-paper);
  text-align: left;
  font: 700 9px/1.25 var(--rm-font-technical);
}
.preset-select[aria-pressed="true"],
.cycle-step[aria-current="step"] {
  border-color: var(--rm-cyan-strong);
  background: var(--rm-cyan-pale);
  box-shadow: inset 4px 0 var(--rm-cyan-strong);
}
.preset-delete {
  position: absolute;
  top: 6px;
  right: 3px;
  width: 32px;
  height: 36px;
  border: 0;
  color: var(--rm-ink-soft);
  background: transparent;
}
.cycle-step { padding-right: 10px; }
.cycle-step span:last-child { color: var(--rm-ink-soft); }
.cycle-note,
.empty-state {
  margin: 13px 0 0;
  color: var(--rm-ink-soft);
  font: .86rem/1.45 var(--rm-font-editorial);
}
.privacy-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 8px;
  padding: 10px;
  color: var(--rm-ink);
}
.privacy-note span,
.privacy-note strong { font: 700 8px/1.25 var(--rm-font-technical); letter-spacing: .09em; }
.privacy-note small { grid-column: 1 / -1; color: var(--rm-ink-soft); }

.apparatus-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--rm-ink-soft);
  font: 700 7px/1.3 var(--rm-font-technical);
  letter-spacing: .11em;
}

.blueprint-line {
  position: absolute;
  z-index: 1;
  background: var(--rm-cyan-strong);
  transform-origin: left;
  pointer-events: none;
}
.blueprint-line-x { left: 7%; right: 7%; top: 20px; height: 2px; transform: scaleX(0); }
.blueprint-line-y { top: 7%; bottom: 7%; left: 20px; width: 2px; transform: scaleY(0); transform-origin: top; }
.page-ready .blueprint-line-x { animation: draw-x 900ms var(--rm-impact-ease) forwards; }
.page-ready .blueprint-line-y { animation: draw-y 900ms var(--rm-impact-ease) 140ms forwards; }
@keyframes draw-x { to { transform: scaleX(1); } }
@keyframes draw-y { to { transform: scaleY(1); } }

body[data-status="running"] .technical-rail,
body[data-status="running"] .apparatus-header,
body[data-status="running"] .mode-switch,
body[data-status="running"] .session-module,
body[data-status="running"] .apparatus-footer,
body[data-status="running"] .home-link { opacity: .38; }
body[data-status="running"] .clock-face { box-shadow: 7px 8px 0 var(--rm-ink); }
body[data-status="running"] .tomato-seal { transform: rotate(0) scale(1.025); }
body[data-status="running"] { background-color: #0b0d0e; }
body[data-session-type="break"] .clock-face { background-color: var(--rm-cyan-pale); }
body[data-session-type="break"] .tomato-seal { filter: saturate(.45); }

.timer-dialog,
.completion-dialog {
  width: min(calc(100% - 24px), 500px);
  padding: 28px 28px 26px 40px;
  color: var(--rm-ink);
  background: var(--rm-paper);
}
.timer-dialog::backdrop,
.completion-dialog::backdrop { background: rgba(10,12,13,.78); }
.timer-dialog form { display: grid; gap: 9px; }
.dialog-heading h2,
.completion-dialog h2 { margin: 5px 0 16px; font-size: 1.7rem; }
.timer-dialog label { margin-top: 7px; font: 700 9px/1.2 var(--rm-font-technical); letter-spacing: .08em; text-transform: uppercase; }
.timer-dialog input {
  min-height: 48px;
  padding: 10px;
  color: var(--rm-ink);
  border: 1px solid var(--rm-line-mid);
  background: var(--rm-paper-high);
}
.form-error { min-height: 1.3em; margin: 2px 0; color: #9a241b; }
.dialog-actions,
.completion-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.completion-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.completion-dialog p { color: var(--rm-ink-soft); }
.completion-stamp {
  position: absolute;
  top: 22px;
  right: 20px;
  padding: 7px 9px;
  color: #fff;
  border: 3px solid var(--rm-vermilion);
  background: var(--rm-vermilion);
  font: 800 9px/1 var(--rm-font-technical);
  letter-spacing: .1em;
  transform: rotate(3deg) scale(.72);
  opacity: 0;
}
.completion-dialog[open] .completion-stamp { animation: stamp-in 320ms var(--rm-impact-ease) 100ms forwards; }
@keyframes stamp-in { to { opacity: 1; transform: rotate(-2deg) scale(1); } }

.toast {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 400;
  max-width: calc(100% - 32px);
  padding: 10px 14px;
  color: var(--rm-paper);
  border: 1px solid var(--rm-cyan);
  background: var(--rm-ink);
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  font: 700 9px/1.3 var(--rm-font-technical);
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 860px) {
  .stage-shell { align-content: start; }
  .apparatus { min-height: auto; }
  .workbench { grid-template-columns: 1fr; }
  .session-module { grid-template-columns: minmax(0, 1fr) 210px; grid-template-rows: auto; }
  .privacy-note { align-self: stretch; }
}

@media (max-width: 620px) {
  body::before { inset: 6px; }
  .stage-shell { width: calc(100% - 16px); padding-top: max(58px, calc(env(safe-area-inset-top) + 50px)); }
  .technical-rail span:nth-child(2) { display: none; }
  .apparatus { gap: 12px; padding: 28px 16px 22px; border-radius: 15px; }
  .apparatus-header { grid-template-columns: 1fr; }
  .header-register { display: none; }
  .apparatus-header h1 { font-size: clamp(2.4rem, 13vw, 4rem); }
  .clock-face { min-height: auto; grid-template-columns: 1fr; gap: 20px; padding: 28px 18px; text-align: center; }
  .timer-display { font-size: clamp(4.8rem, 24vw, 7rem); }
  .tomato-station { grid-template-columns: 90px minmax(0, 1fr); width: 100%; }
  .tomato-seal { width: 88px; }
  .tomato-station p { display: none; }
  .session-module { grid-template-columns: 1fr; }
  .apparatus-footer span:last-child { display: none; }
}

@media (max-width: 420px) {
  .technical-rail { font-size: 7px; }
  .mode-switch button { font-size: 8px; }
  .controls { gap: 6px; }
  .control { min-height: 44px; padding-inline: 7px; font-size: 8px; }
  .clock-register { font-size: 7px; }
  .timer-display { font-size: clamp(4.2rem, 23vw, 5.8rem); }
  .completion-actions { grid-template-columns: 1fr; }
  .timer-dialog,
  .completion-dialog { padding: 24px 20px 22px 34px; }
}

@media (max-height: 690px) and (min-width: 700px) {
  .stage-shell { align-content: center; padding-block: 12px; }
  .technical-rail { display: none; }
  .apparatus { min-height: calc(100dvh - 24px); gap: 10px; padding: 20px 28px; }
  .apparatus-header h1 { font-size: 2.5rem; }
  .header-register { display: none; }
  .clock-face { min-height: 220px; padding: 22px 30px; }
  .timer-display { font-size: clamp(5.2rem, 12vw, 7.4rem); }
  .tomato-seal { width: 108px; }
  .keyboard-hint,
  .apparatus-footer,
  .privacy-note small { display: none; }
  .session-panel { padding: 12px; }
  .preset-select,
  .cycle-step { min-height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .blueprint-line-x,
  .blueprint-line-y { transform: none; }
  .completion-stamp { opacity: 1; transform: none; }
}

[hidden] { display: none !important; }