/* ===================== Brutalist dark theme ===================== */
:root {
  --bg: #0a0a0a;
  --panel: #141414;
  --panel-2: #1c1c1c;
  --ink: #f4f4f4;
  --muted: #9a9a9a;
  --line: #2e2e2e;
  --accent: #ffd60a;
  /* high-contrast yellow */
  --accent-ink: #0a0a0a;
  --sys: #ff3b30;
  --dia: #0a84ff;
  --pulse: #30d158;
  --danger: #ff453a;
  --radius: 0px;
  /* brutalist: hard edges */
  --tap: 34px;
  /* compact dat.GUI-style rows */
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

/* Disable the ~300ms double-tap-to-zoom delay so taps register on the first
   press (fixes buttons/modal needing multiple clicks on touch devices). */
button,
a,
label,
input,
.btn,
.tab {
  touch-action: manipulation;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  touch-action: manipulation;
  font-family: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 13px;
  line-height: 1.3;
  padding: max(0px, env(safe-area-inset-top)) max(0px, env(safe-area-inset-right)) max(0px, env(safe-area-inset-bottom)) max(0px, env(safe-area-inset-left));
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
legend {
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand {
  font-size: 16px;
  margin: 0;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ============================= topbar ============================ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  background: var(--panel);
  border-bottom: 2px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-actions {
  display: flex;
  gap: 6px;
}

.topbar-actions .btn {
  min-height: 28px;
  padding: 5px 9px;
  font-size: 11px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

/* ============================== tabs ============================= */
.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 2px solid var(--line);
  background: var(--panel);
}

.tab {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 9px 6px;
  min-height: var(--tap);
  border-bottom: 3px solid transparent;
  cursor: pointer;
}

.tab.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

main {
  padding: 10px;
  max-width: 640px;
  margin: 0 auto;
}

.view {
  display: none;
}

.view.is-active {
  display: block;
}

/* ============================= fields =========================== */
.field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 8px;
}

.field>span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  font-size: 14px;
  color: var(--ink);
  background: var(--panel-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 9px;
  min-height: var(--tap);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea {
  min-height: 48px;
  resize: vertical;
}

.row.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ========================= readings rows ======================== */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 4px 0 6px;
}

.section-head h2 {
  font-size: 13px;
  margin: 0;
  text-transform: uppercase;
}

.reading-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 6px;
  align-items: end;
  margin-bottom: 7px;
  padding-bottom: 7px;
  border-bottom: 2px dashed var(--line);
}

.field.num {
  margin-bottom: 0;
}

.field.num>span {
  font-size: 10px;
}

.field.num>span small {
  color: var(--muted);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}

/* ============================ buttons =========================== */
.btn {
  appearance: none;
  font-family: inherit;
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--ink);
  min-height: var(--tap);
  padding: 7px 12px;
  cursor: pointer;
}

.btn:active {
  transform: translateY(2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  min-height: 26px;
  font-size: 11px;
  padding: 5px 9px;
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn-add {
  width: var(--tap);
  height: var(--tap);
  font-size: 20px;
  line-height: 1;
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  padding: 0;
}

.btn-remove {
  align-self: stretch;
  min-height: var(--tap);
  width: var(--tap);
  font-size: 14px;
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
  padding: 0;
}

.form-actions {
  margin-top: 10px;
  display: grid;
  gap: 6px;
}

/* ============================ average =========================== */
.average-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border: 2px solid var(--accent);
  padding: 7px 10px;
  margin-bottom: 8px;
}

.average-label {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
}

.average-value {
  font-size: 16px;
  font-weight: 800;
}

/* ============================= flags ============================ */
.flags {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 10px 2px;
  margin: 6px 0 0;
}

.flags legend {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 6px;
}

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 2px;
  min-height: var(--tap);
  font-size: 13px;
  cursor: pointer;
  border-bottom: 1px solid var(--line);
}

.flags .check:last-child {
  border-bottom: none;
}

.check input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-height: 20px;
  accent-color: var(--accent);
  flex: 0 0 auto;
}

/* ============================== list =========================== */
.entry-list {
  display: grid;
  gap: 7px;
}

.entry {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-left-width: 6px;
  padding: 8px 10px;
}

.entry-bp {
  font-size: 17px;
  font-weight: 800;
}

.entry-pulse {
  font-size: 12px;
  color: var(--pulse);
  font-weight: 700;
  margin-left: 6px;
}

.entry-when {
  color: var(--muted);
  font-size: 11px;
  margin-top: 2px;
}

.entry-notes {
  margin-top: 5px;
  font-size: 12px;
}

.entry-flags {
  margin-top: 5px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.badge {
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 1px 6px;
  font-size: 12px;
}

.entry-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
}

/* category color cues (left border) */
.cat-normal {
  border-left-color: #30d158;
}

.cat-elevated1 {
  border-left-color: #ffd60a;
}

.cat-elevated2 {
  border-left-color: #ff9f0a;
}

.cat-high {
  border-left-color: #ff453a;
}

.cat-crisis {
  border-left-color: #ff2d55;
}

.cat-unknown {
  border-left-color: var(--line);
}

/* ============================= graph =========================== */
.period-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.period {
  appearance: none;
  border: 2px solid var(--line);
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  min-height: var(--tap);
  font-size: 12px;
  cursor: pointer;
}

.period.is-active {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.chart-wrap {
  position: relative;
  height: 240px;
  background: var(--panel);
  border: 2px solid var(--line);
  padding: 8px;
}

/* =========================== settings ========================== */
.settings {
  margin-top: 14px;
  border-top: 2px solid var(--line);
  padding-top: 8px;
}

.settings summary {
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
  padding: 6px 0;
  font-size: 13px;
}

.settings .btn {
  margin-top: 6px;
  margin-right: 6px;
}

.settings-title {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
}

.moments-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0 6px;
}

.moments-head h3 {
  margin: 0;
  font-size: 13px;
  text-transform: uppercase;
}

.moments-list {
  display: grid;
  gap: 7px;
}

.moment-row {
  display: grid;
  grid-template-columns: 1fr 120px auto;
  gap: 6px;
  align-items: end;
}

.moment-row .field {
  margin-bottom: 0;
}

.hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

@media (max-width: 540px) {
  .tabs {
    grid-template-columns: repeat(2, 1fr);
  }

  .moment-row {
    grid-template-columns: 1fr 100px auto;
  }
}

/* ============================ helpers ========================== */
.empty {
  color: var(--muted);
  text-align: center;
  padding: 20px 10px;
}

.error {
  color: var(--danger);
  font-weight: 700;
  margin-top: 8px;
}

/* ============================= login ========================== */
.login-body {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--panel);
  border: 2px solid var(--accent);
  padding: 20px 18px;
}

.login-sub {
  color: var(--muted);
  margin: 4px 0 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
}

/* ============================ toasts ========================== */
.toasts {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-2);
  border: 2px solid var(--ink);
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.6);
  animation: toast-in 0.18s ease-out;
}

.toast-text {
  flex: 1;
}

.toast-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
  width: 30px;
  height: 30px;
  cursor: pointer;
  flex: 0 0 auto;
}

.toast-success {
  border-color: var(--pulse);
}

.toast-error {
  border-color: var(--danger);
}

.toast-reminder {
  border-color: var(--accent);
  background: #1a1606;
}

.toast-info {
  border-color: var(--line);
}

.toast-out {
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===================== Quick-entry screen ===================== */
.quick-body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.quick-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--panel);
  border-bottom: 2px solid var(--accent);
}

.last-entry {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.last-entry-label {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 1;
}

.last-entry-caption {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}

.last-entry-bp {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.1;
}

.last-entry-bp .last-entry-pulse {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
}

.last-entry-when {
  font-size: 10px;
  color: var(--muted);
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--line);
  color: var(--muted);
  font-size: 16px;
  text-decoration: none;
}

.icon-link:active {
  transform: translateY(2px);
}

.quick-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: 10px;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.quick-main .field {
  margin-bottom: 8px;
}

.row.three {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.row.three .field.num {
  margin-bottom: 8px;
}

.quick-main input[type="number"] {
  font-size: 18px;
  text-align: center;
  padding: 9px 6px;
}

.quick-flags {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 3px 0 10px;
}

.quick-flags .check {
  border: 2px solid var(--line);
  padding: 7px 9px;
  margin: 0;
  font-size: 13px;
  justify-content: flex-start;
  gap: 8px;
}

.quick-flags .check:has(input:checked) {
  border-color: var(--accent);
  background: #1a1606;
}

.btn-save {
  font-size: 15px;
  min-height: 44px;
}

/* ========================= Modal ========================= */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 200;
}

.modal[hidden] {
  display: none;
}

.modal-card {
  width: 100%;
  max-width: 340px;
  background: var(--panel);
  border: 2px solid var(--accent);
  padding: 16px 16px;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.6);
}

.modal-card h2 {
  margin: 0 0 10px;
  font-size: 15px;
  text-transform: uppercase;
}

.modal-summary {
  margin-bottom: 14px;
}

.modal-bp {
  font-size: 28px;
  font-weight: 800;
}

.modal-when {
  color: var(--muted);
  margin-top: 4px;
  font-size: 12px;
}

.modal-flags {
  margin-top: 8px;
  font-size: 13px;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}