:root {
  --font-body: "Manrope", sans-serif;
  --font-display: "Fraunces", serif;
  --bg: #f6efe4;
  --bg-accent: radial-gradient(circle at top left, rgba(233, 122, 54, 0.32), transparent 34%), radial-gradient(circle at top right, rgba(33, 90, 78, 0.22), transparent 30%), linear-gradient(180deg, #f7f0e6 0%, #f2e7d8 100%);
  --panel: rgba(255, 251, 245, 0.84);
  --text: #2d241f;
  --muted: #65594f;
  --line: rgba(81, 59, 42, 0.12);
  --accent: #d25c2f;
  --accent-deep: #9f3f1e;
  --teal: #275f55;
  --danger: #9c3a30;
  --shadow: 0 18px 40px rgba(67, 43, 26, 0.12);
  --panel-border-strong: rgba(255, 255, 255, 0.6);
  --hero-card-bg: linear-gradient(180deg, rgba(210, 92, 47, 0.12), rgba(39, 95, 85, 0.16));
  --hero-card-border: rgba(210, 92, 47, 0.16);
  --soft-accent-bg: rgba(39, 95, 85, 0.12);
  --soft-accent-bg-strong: rgba(39, 95, 85, 0.08);
  --soft-danger-bg: rgba(156, 58, 48, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(255, 251, 245, 0.9), rgba(255, 243, 231, 0.9));
  --panel-muted-bg: rgba(255, 251, 245, 0.72);
  --surface-soft: rgba(255, 255, 255, 0.45);
  --surface-soft-strong: rgba(255, 255, 255, 0.55);
  --surface-card: rgba(255, 255, 255, 0.72);
  --surface-card-strong: rgba(255, 255, 255, 0.9);
  --surface-selected: rgba(255, 255, 255, 0.62);
  --surface-tint: rgba(246, 239, 228, 0.9);
  --surface-tint-soft: rgba(246, 239, 228, 0.78);
  --banner-bg: linear-gradient(135deg, rgba(39, 95, 85, 0.08), rgba(210, 92, 47, 0.08));
  --banner-border: rgba(39, 95, 85, 0.1);
  --result-bg: linear-gradient(135deg, rgba(39, 95, 85, 0.95), rgba(16, 51, 44, 0.95));
  --result-text: #f6efe4;
  --result-muted: rgba(246, 239, 228, 0.8);
  --result-soft: rgba(246, 239, 228, 0.12);
  --result-soft-strong: rgba(246, 239, 228, 0.75);
  --button-primary-text: #fff7f2;
  --focus-ring: rgba(210, 92, 47, 0.24);
  --focus-border: rgba(210, 92, 47, 0.5);
  --empty-state-bg: rgba(255, 255, 255, 0.45);
  --empty-state-border: rgba(81, 59, 42, 0.18);
  --colour-pill-bg: rgba(210, 92, 47, 0.12);
  --radius-lg: 28px;
  --radius-sm: 12px;
  --space-panel: 24px;
  --space-card: 18px;
  --space-stack: 16px;
}

body[data-font-style="modern"] {
  --font-body: "Manrope", sans-serif;
  --font-display: "Fraunces", serif;
}

body[data-font-style="editorial"] {
  --font-body: "Instrument Sans", sans-serif;
  --font-display: "Newsreader", serif;
}

body[data-font-style="technical"] {
  --font-body: "Space Grotesk", sans-serif;
  --font-display: "Space Grotesk", sans-serif;
}

body[data-font-style="soft"] {
  --font-body: "Manrope", sans-serif;
  --font-display: "Instrument Sans", sans-serif;
}

body[data-theme="forest"] {
  --bg: #edf4eb;
  --bg-accent: radial-gradient(circle at top left, rgba(83, 134, 91, 0.28), transparent 34%), radial-gradient(circle at top right, rgba(193, 149, 73, 0.2), transparent 30%), linear-gradient(180deg, #f1f6ed 0%, #e5efe0 100%);
  --panel: rgba(248, 252, 246, 0.86);
  --text: #233127;
  --muted: #5a6b5a;
  --line: rgba(58, 90, 64, 0.14);
  --accent: #487653;
  --accent-deep: #32523a;
  --teal: #32523a;
  --danger: #8a4336;
  --hero-card-bg: linear-gradient(180deg, rgba(72, 118, 83, 0.14), rgba(193, 149, 73, 0.14));
  --hero-card-border: rgba(72, 118, 83, 0.16);
  --soft-accent-bg: rgba(72, 118, 83, 0.12);
  --soft-accent-bg-strong: rgba(72, 118, 83, 0.08);
  --soft-danger-bg: rgba(138, 67, 54, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(248, 252, 246, 0.92), rgba(235, 243, 228, 0.92));
  --panel-muted-bg: rgba(248, 252, 246, 0.76);
  --surface-soft: rgba(255, 255, 255, 0.5);
  --surface-soft-strong: rgba(255, 255, 255, 0.62);
  --surface-card: rgba(255, 255, 255, 0.76);
  --surface-card-strong: rgba(255, 255, 255, 0.92);
  --surface-selected: rgba(255, 255, 255, 0.68);
  --surface-tint: rgba(235, 243, 228, 0.92);
  --surface-tint-soft: rgba(235, 243, 228, 0.84);
  --banner-bg: linear-gradient(135deg, rgba(72, 118, 83, 0.1), rgba(193, 149, 73, 0.1));
  --banner-border: rgba(72, 118, 83, 0.14);
  --result-bg: linear-gradient(135deg, rgba(72, 118, 83, 0.96), rgba(44, 82, 53, 0.96));
  --colour-pill-bg: rgba(72, 118, 83, 0.12);
}

body[data-theme="ocean"] {
  --bg: #eaf4f8;
  --bg-accent: radial-gradient(circle at top left, rgba(64, 145, 181, 0.28), transparent 34%), radial-gradient(circle at top right, rgba(31, 88, 122, 0.18), transparent 30%), linear-gradient(180deg, #eef7fb 0%, #ddeef5 100%);
  --panel: rgba(248, 252, 254, 0.86);
  --text: #1f2f3a;
  --muted: #56707f;
  --line: rgba(52, 98, 129, 0.14);
  --accent: #2f84a8;
  --accent-deep: #225f79;
  --teal: #225f79;
  --danger: #9a4f45;
  --hero-card-bg: linear-gradient(180deg, rgba(47, 132, 168, 0.14), rgba(34, 95, 121, 0.14));
  --hero-card-border: rgba(47, 132, 168, 0.16);
  --soft-accent-bg: rgba(47, 132, 168, 0.12);
  --soft-accent-bg-strong: rgba(47, 132, 168, 0.08);
  --soft-danger-bg: rgba(154, 79, 69, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(248, 252, 254, 0.92), rgba(228, 241, 248, 0.92));
  --panel-muted-bg: rgba(248, 252, 254, 0.76);
  --surface-soft: rgba(255, 255, 255, 0.52);
  --surface-soft-strong: rgba(255, 255, 255, 0.64);
  --surface-card: rgba(255, 255, 255, 0.78);
  --surface-card-strong: rgba(255, 255, 255, 0.92);
  --surface-selected: rgba(255, 255, 255, 0.7);
  --surface-tint: rgba(228, 241, 248, 0.92);
  --surface-tint-soft: rgba(228, 241, 248, 0.84);
  --banner-bg: linear-gradient(135deg, rgba(47, 132, 168, 0.1), rgba(34, 95, 121, 0.1));
  --banner-border: rgba(47, 132, 168, 0.14);
  --result-bg: linear-gradient(135deg, rgba(47, 132, 168, 0.96), rgba(28, 86, 110, 0.96));
  --colour-pill-bg: rgba(47, 132, 168, 0.12);
}

body[data-theme="berry"] {
  --bg: #f7edf2;
  --bg-accent: radial-gradient(circle at top left, rgba(184, 88, 116, 0.28), transparent 34%), radial-gradient(circle at top right, rgba(110, 56, 88, 0.18), transparent 30%), linear-gradient(180deg, #faeff4 0%, #f2e0e8 100%);
  --panel: rgba(255, 249, 251, 0.86);
  --text: #382430;
  --muted: #735766;
  --line: rgba(128, 75, 97, 0.14);
  --accent: #b14d72;
  --accent-deep: #853754;
  --teal: #6d3b56;
  --danger: #9f3f49;
  --hero-card-bg: linear-gradient(180deg, rgba(177, 77, 114, 0.14), rgba(109, 59, 86, 0.14));
  --hero-card-border: rgba(177, 77, 114, 0.16);
  --soft-accent-bg: rgba(177, 77, 114, 0.12);
  --soft-accent-bg-strong: rgba(177, 77, 114, 0.08);
  --soft-danger-bg: rgba(159, 63, 73, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(255, 249, 251, 0.92), rgba(246, 230, 237, 0.92));
  --panel-muted-bg: rgba(255, 249, 251, 0.76);
  --surface-soft: rgba(255, 255, 255, 0.5);
  --surface-soft-strong: rgba(255, 255, 255, 0.62);
  --surface-card: rgba(255, 255, 255, 0.76);
  --surface-card-strong: rgba(255, 255, 255, 0.92);
  --surface-selected: rgba(255, 255, 255, 0.68);
  --surface-tint: rgba(246, 230, 237, 0.92);
  --surface-tint-soft: rgba(246, 230, 237, 0.84);
  --banner-bg: linear-gradient(135deg, rgba(177, 77, 114, 0.1), rgba(109, 59, 86, 0.1));
  --banner-border: rgba(177, 77, 114, 0.14);
  --result-bg: linear-gradient(135deg, rgba(177, 77, 114, 0.96), rgba(109, 59, 86, 0.96));
  --colour-pill-bg: rgba(177, 77, 114, 0.12);
}

body[data-theme="charcoal"] {
  --bg: #e8eaec;
  --bg-accent: radial-gradient(circle at top left, rgba(92, 104, 113, 0.26), transparent 34%), radial-gradient(circle at top right, rgba(58, 68, 77, 0.16), transparent 30%), linear-gradient(180deg, #eff1f3 0%, #dfe3e7 100%);
  --panel: rgba(248, 249, 250, 0.86);
  --text: #23272c;
  --muted: #606a73;
  --line: rgba(75, 85, 94, 0.14);
  --accent: #59646d;
  --accent-deep: #3f474f;
  --teal: #3f474f;
  --danger: #934b43;
  --hero-card-bg: linear-gradient(180deg, rgba(89, 100, 109, 0.14), rgba(63, 71, 79, 0.14));
  --hero-card-border: rgba(89, 100, 109, 0.16);
  --soft-accent-bg: rgba(89, 100, 109, 0.12);
  --soft-accent-bg-strong: rgba(89, 100, 109, 0.08);
  --soft-danger-bg: rgba(147, 75, 67, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(248, 249, 250, 0.92), rgba(229, 233, 237, 0.92));
  --panel-muted-bg: rgba(248, 249, 250, 0.76);
  --surface-soft: rgba(255, 255, 255, 0.5);
  --surface-soft-strong: rgba(255, 255, 255, 0.62);
  --surface-card: rgba(255, 255, 255, 0.76);
  --surface-card-strong: rgba(255, 255, 255, 0.92);
  --surface-selected: rgba(255, 255, 255, 0.68);
  --surface-tint: rgba(229, 233, 237, 0.92);
  --surface-tint-soft: rgba(229, 233, 237, 0.84);
  --banner-bg: linear-gradient(135deg, rgba(89, 100, 109, 0.1), rgba(63, 71, 79, 0.1));
  --banner-border: rgba(89, 100, 109, 0.14);
  --result-bg: linear-gradient(135deg, rgba(89, 100, 109, 0.96), rgba(52, 60, 68, 0.96));
  --colour-pill-bg: rgba(89, 100, 109, 0.12);
}

body[data-theme="steel"] {
  --bg: #e4ebf0;
  --bg-accent: radial-gradient(circle at top left, rgba(91, 133, 168, 0.26), transparent 34%), radial-gradient(circle at top right, rgba(61, 73, 87, 0.18), transparent 30%), linear-gradient(180deg, #edf3f7 0%, #d9e2e9 100%);
  --panel: rgba(246, 249, 251, 0.86);
  --text: #22303c;
  --muted: #5c6c79;
  --line: rgba(71, 91, 108, 0.14);
  --accent: #587d9d;
  --accent-deep: #3c556a;
  --teal: #3c556a;
  --danger: #944f4b;
  --hero-card-bg: linear-gradient(180deg, rgba(88, 125, 157, 0.14), rgba(63, 78, 92, 0.16));
  --hero-card-border: rgba(88, 125, 157, 0.16);
  --soft-accent-bg: rgba(88, 125, 157, 0.12);
  --soft-accent-bg-strong: rgba(88, 125, 157, 0.08);
  --soft-danger-bg: rgba(148, 79, 75, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(246, 249, 251, 0.92), rgba(227, 235, 241, 0.92));
  --panel-muted-bg: rgba(246, 249, 251, 0.76);
  --surface-soft: rgba(255, 255, 255, 0.5);
  --surface-soft-strong: rgba(255, 255, 255, 0.62);
  --surface-card: rgba(255, 255, 255, 0.77);
  --surface-card-strong: rgba(255, 255, 255, 0.92);
  --surface-selected: rgba(255, 255, 255, 0.69);
  --surface-tint: rgba(227, 235, 241, 0.92);
  --surface-tint-soft: rgba(227, 235, 241, 0.84);
  --banner-bg: linear-gradient(135deg, rgba(88, 125, 157, 0.1), rgba(63, 78, 92, 0.1));
  --banner-border: rgba(88, 125, 157, 0.14);
  --result-bg: linear-gradient(135deg, rgba(77, 108, 134, 0.96), rgba(50, 64, 77, 0.96));
  --colour-pill-bg: rgba(88, 125, 157, 0.12);
}

body[data-theme="iron"] {
  --bg: #f2e4dc;
  --bg-accent: radial-gradient(circle at top left, rgba(173, 49, 43, 0.3), transparent 34%), radial-gradient(circle at top right, rgba(194, 144, 61, 0.22), transparent 30%), linear-gradient(180deg, #f7ebe4 0%, #ead9cf 100%);
  --panel: rgba(253, 246, 241, 0.86);
  --text: #3b231f;
  --muted: #7b5a4e;
  --line: rgba(110, 67, 50, 0.14);
  --accent: #a8302b;
  --accent-deep: #7d241f;
  --teal: #8c5d25;
  --danger: #9d2f2a;
  --hero-card-bg: linear-gradient(180deg, rgba(168, 48, 43, 0.16), rgba(194, 144, 61, 0.16));
  --hero-card-border: rgba(168, 48, 43, 0.18);
  --soft-accent-bg: rgba(194, 144, 61, 0.14);
  --soft-accent-bg-strong: rgba(194, 144, 61, 0.09);
  --soft-danger-bg: rgba(168, 48, 43, 0.12);
  --panel-accent-bg: linear-gradient(180deg, rgba(253, 246, 241, 0.92), rgba(245, 229, 218, 0.92));
  --panel-muted-bg: rgba(253, 246, 241, 0.76);
  --surface-soft: rgba(255, 255, 255, 0.5);
  --surface-soft-strong: rgba(255, 255, 255, 0.62);
  --surface-card: rgba(255, 255, 255, 0.77);
  --surface-card-strong: rgba(255, 255, 255, 0.92);
  --surface-selected: rgba(255, 255, 255, 0.69);
  --surface-tint: rgba(245, 229, 218, 0.92);
  --surface-tint-soft: rgba(245, 229, 218, 0.84);
  --banner-bg: linear-gradient(135deg, rgba(168, 48, 43, 0.1), rgba(194, 144, 61, 0.1));
  --banner-border: rgba(168, 48, 43, 0.14);
  --result-bg: linear-gradient(135deg, rgba(168, 48, 43, 0.96), rgba(116, 37, 32, 0.96));
  --colour-pill-bg: rgba(194, 144, 61, 0.16);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-accent);
}

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.top-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-card-strong);
  color: var(--accent-deep);
  box-shadow: var(--shadow);
  font-size: 0;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease;
}

.back-to-top::before {
  content: "\2191";
  font-size: 1.35rem;
}

.back-to-top:hover {
  transform: translateY(-1px);
}

.hero,
.panel {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--panel-border-strong);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  grid-template-areas:
    "copy card"
    "menu menu";
  gap: 24px;
  align-items: start;
  padding: 32px;
  border-radius: 32px;
  margin-bottom: 24px;
}

.hero-copy {
  grid-area: copy;
}

.eyebrow,
.section-kicker,
.hero-card-label,
.container-type,
.stat-label,
.result-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-deep);
  margin: 0 0 8px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.45rem, 2.5vw, 2.1rem);
}

h3 {
  font-size: 1.4rem;
}

.hero-text,
.section-copy,
.result-meta,
.container-notes,
.history-subtitle,
.empty-state,
.auth-hint,
.auth-message,
.admin-copy {
  color: var(--muted);
}

.hero-text {
  font-size: 1.06rem;
  line-height: 1.65;
  max-width: 58ch;
  margin: 18px 0 0;
}

.hero-menu {
  grid-area: menu;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: -4px;
  width: 100%;
}

.hero-menu-link {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  background: transparent;
  color: var(--accent-deep);
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.hero-menu-link:hover,
.top-user-pill:hover,
.pin-toggle:hover {
  transform: translateY(-1px);
}

.hero-card {
  grid-area: card;
  align-self: start;
  background: var(--hero-card-bg);
  border: 1px solid var(--hero-card-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-top: 8px;
}

.hero-card-value {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.4;
  font-weight: 700;
}

.top-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-card-strong);
  color: var(--accent-deep);
  font-weight: 700;
  cursor: pointer;
}

.top-user-pill::before {
  content: "";
  width: 20px;
  height: 20px;
  border-radius: 999px;
  flex: 0 0 auto;
  background:
    radial-gradient(circle at 50% 30%, currentColor 0 20%, transparent 21%),
    radial-gradient(ellipse 58% 42% at 50% 78%, currentColor 0 52%, transparent 53%);
  opacity: 0.75;
}

.button.top-sign-out {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-card-strong);
  color: var(--accent-deep);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.button.top-sign-out::before {
  content: "\27A1";
  font-size: 1.05rem;
  line-height: 1;
  font-weight: 800;
}

.panel {
  border-radius: var(--radius-lg);
  padding: var(--space-panel);
  margin-bottom: var(--space-panel);
}

.panel-accent {
  background: var(--panel-accent-bg);
}

.layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-panel);
  margin-bottom: var(--space-panel);
}

.auth-panel,
.weigh-panel {
  margin-bottom: var(--space-panel);
}

.auth-panel {
  background: var(--panel-muted-bg);
}

.auth-form,
.stack {
  display: grid;
  gap: var(--space-stack);
}

.weigh-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(250px, 0.9fr);
  gap: 20px;
  align-items: start;
}

.weigh-results-column,
.weigh-form-column {
  min-width: 0;
}

.weigh-results-column {
  order: 2;
  display: grid;
  gap: 12px;
}

.weigh-form-column {
  order: 1;
}

.pin-form {
  display: grid;
  gap: var(--space-stack);
}

.pin-panel {
  margin-bottom: var(--space-card);
}

.pin-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft-strong);
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.pin-toggle span {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.pin-toggle strong {
  font-size: 1rem;
}

.pin-form-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--space-card);
}

.signed-in-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 320px);
  gap: var(--space-card);
  padding: var(--space-card);
  margin-bottom: var(--space-card);
  border-radius: 22px;
  background: var(--banner-bg);
  border: 1px solid var(--banner-border);
}

.account-tools {
  display: grid;
  gap: var(--space-card);
  margin-bottom: var(--space-card);
}

.account-inline-form {
  margin-top: 14px;
}

.account-pane {
  padding: var(--space-card);
  border-radius: 22px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.account-pane-body {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.account-pane-actions {
  justify-content: flex-end;
}

.signed-in-summary {
  display: grid;
  gap: 6px;
  align-content: center;
}

.signed-in-meta {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.signed-in-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  justify-items: stretch;
  align-content: center;
}

.theme-field {
  gap: 10px;
}

.theme-field span {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.theme-field select {
  background: var(--surface-card-strong);
}

.signed-out-state {
  margin-bottom: var(--space-panel);
}

.admin-layout {
  align-items: start;
}

.admin-header {
  padding: 8px 4px 18px;
}

.admin-copy {
  max-width: 58ch;
  margin: 10px 0 0;
  line-height: 1.6;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--space-card);
  margin-bottom: var(--space-card);
}

.section-copy {
  max-width: 30ch;
  margin: 0;
  line-height: 1.5;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.weigh-action-row {
  display: grid;
  grid-template-columns: minmax(280px, 520px) auto;
  align-items: end;
  gap: 14px;
}

.container-select-field {
  max-width: 520px;
}

.weigh-submit {
  justify-self: start;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 15px;
  background: var(--surface-card);
  color: var(--text);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--focus-ring);
  border-color: var(--focus-border);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: var(--button-primary-text);
}

.button-secondary {
  background: var(--soft-accent-bg);
  color: var(--teal);
}

.button-tertiary {
  background: var(--soft-accent-bg-strong);
  color: var(--teal);
}

.button-danger {
  background: var(--soft-danger-bg);
  color: var(--danger);
}

.auth-message {
  margin: 0;
}

.auth-message[data-state="error"] {
  color: var(--danger);
  font-weight: 700;
}

.result-card {
  border-radius: 24px;
  padding: 22px;
  background: var(--result-bg);
  color: var(--result-text);
}

.result-actions {
  display: flex;
  justify-content: flex-end;
}

.selected-container-preview {
  padding: var(--space-card);
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface-selected);
}

.selected-container-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.selected-container-top > div {
  display: grid;
  align-content: start;
  gap: 6px;
}

#preview-model-number {
  margin-top: 2px;
}

.preview-notes-block {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--surface-tint-soft);
}

.preview-notes-label {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.preview-notes-text {
  min-height: 0;
}

.result-card .result-label,
.result-card .result-meta {
  color: var(--result-muted);
}

.result-value {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

.result-breakdown {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.result-breakdown-card {
  padding: 14px;
  border-radius: 18px;
  background: var(--result-soft);
}

.result-breakdown-label {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--result-soft-strong);
}

.result-breakdown-value {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.result-portion-stepper {
  display: flex;
  justify-content: flex-start;
}

.result-breakdown-input {
  width: 88px;
  border: 1px solid rgba(246, 239, 228, 0.24);
  border-radius: 12px;
  padding: 8px 10px;
  background: var(--result-soft);
  color: var(--result-text);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
}

.result-breakdown-input:focus {
  outline: 2px solid rgba(246, 239, 228, 0.28);
  border-color: rgba(246, 239, 228, 0.45);
}

.inventory-panel,
.history-panel {
  overflow: hidden;
}

.card-grid,
.history-list {
  display: grid;
  gap: 14px;
}

.container-card,
.history-item {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-card);
}

.container-card {
  padding: var(--space-card);
  display: grid;
  gap: var(--space-stack);
}

.container-card-collapsible {
  padding: 0;
  overflow: hidden;
}

.container-card-summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-card);
}

.container-card-summary::before {
  content: "⋮⋮";
  margin-right: 10px;
  color: var(--muted);
  letter-spacing: -0.15em;
}

.container-card-summary::-webkit-details-marker {
  display: none;
}

.container-card[draggable="true"] .container-card-summary {
  cursor: grab;
}

.container-card-dragging {
  opacity: 0.65;
}

.container-card-drop-target {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.container-card-body {
  display: grid;
  gap: 8px;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--line);
}

.container-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.container-summary-actions {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.expand-hint {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.container-card-collapsible:not([open]) .expand-hint::after {
  content: "Show details +";
}

.container-card-collapsible[open] .expand-hint::after {
  content: "Hide details -";
}

.container-compact-meta {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 600;
}

.container-brand {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.container-model-number {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin: 0;
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.container-model-number::before {
  content: "Model";
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  color: var(--accent-deep);
}

.colour-pill {
  align-self: start;
  border-radius: 999px;
  background: var(--colour-pill-bg);
  color: var(--accent-deep);
  padding: 8px 12px;
  font-size: 0.88rem;
  font-weight: 700;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.stat {
  padding: 8px 10px;
  border-radius: 14px;
  background: var(--surface-tint);
}

.stat-value {
  display: block;
  font-weight: 800;
}

.container-notes {
  margin: 0;
  line-height: 1.4;
  min-height: 0;
}

.container-card-body .button-row {
  gap: 8px;
}

.container-card-body .button {
  padding: 9px 14px;
}

.history-item {
  padding: var(--space-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-card);
}

.history-title,
.history-weight {
  margin: 0;
  font-weight: 800;
}

.history-actions {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.history-subtitle {
  margin: 6px 0 0;
}

.history-portion {
  margin: 6px 0 0;
  color: var(--muted);
}

.history-weight {
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.history-delete {
  padding: 10px 14px;
}

.empty-state {
  padding: var(--space-card);
  border: 1px dashed var(--empty-state-border);
  border-radius: 18px;
  background: var(--empty-state-bg);
}

@media (max-width: 900px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "card"
      "menu";
  }

  .weigh-workspace {
    grid-template-columns: 1fr;
  }

  .weigh-results-column {
    order: 2;
  }

  .weigh-form-column {
    order: 1;
  }

  .section-heading,
  .pin-form-header {
    flex-direction: column;
  }

  .signed-in-banner {
    grid-template-columns: 1fr;
  }

  .signed-in-controls {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .section-copy {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 12px;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }

  .hero,
  .panel {
    padding: 18px;
    border-radius: 24px;
  }

  .field-grid,
  .field-grid-3,
  .weigh-action-row,
  .stats-row,
  .history-item,
  .result-breakdown {
    grid-template-columns: 1fr;
  }

  .history-item {
      align-items: start;
    }

    .history-actions {
      justify-items: start;
      width: 100%;
    }
  }