:root {
  --ink: #111111;
  --muted: #6d6d6d;
  --line: #dedede;
  --paper: #ffffff;
  --soft: #f6f5f2;
  --orange: #f36b3f;
  --orange-soft: #fff0e9;
  --cyan: #31c9df;
  --cyan-soft: #e9fbfe;
  --green: #188659;
  --red: #c33c2d;
  --shadow: 0 16px 50px rgba(17,17,17,.08);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--soft); color: var(--ink); font-family: Lato, Arial, sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.topbar { height: 86px; padding: 0 clamp(20px, 4vw, 64px); display: flex; align-items: center; gap: 30px; background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.brand { color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 9px; font-family: Assistant, Arial, sans-serif; line-height: .74; letter-spacing: -.04em; }
.brand-logo { width: 190px; height: 60px; object-fit: contain; flex: 0 0 auto; }
.brand em { align-self: flex-end; margin: 0 0 3px 4px; padding: 5px 7px; background: var(--cyan); font-style: normal; font-weight: 800; font-size: 10px; letter-spacing: .08em; line-height: 1; }
.header-note { margin-left: auto; color: var(--muted); font-size: 13px; }
.status-dot { display: inline-block; width: 8px; height: 8px; background: #29aa6d; border-radius: 50%; margin-right: 6px; box-shadow: 0 0 0 4px #e1f5eb; }
.ghost-button { background: transparent; border: 1px solid var(--line); border-radius: 4px; padding: 10px 14px; font-weight: 700; }
.ghost-button:hover { border-color: var(--ink); }
.shell { max-width: 1440px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 64px) 70px; }
.hero { min-height: 260px; display: flex; align-items: end; justify-content: space-between; gap: 50px; padding: 46px 0 34px; border-bottom: 1px solid #c8c8c8; }
.eyebrow, .mini-label { margin: 0 0 8px; color: var(--orange); font-size: 11px; font-weight: 900; letter-spacing: .16em; }
.hero h1 { margin: 0; font: 800 clamp(40px, 5vw, 70px)/.83 Assistant, Arial, sans-serif; letter-spacing: -.055em; }
.hero h1 span { color: var(--orange); }
.hero-copy { max-width: 420px; margin: 0 0 8px; color: #565656; font-size: 19px; line-height: 1.55; }
.tabs { display: flex; gap: 4px; padding: 22px 0; }
.tab { border: 0; background: transparent; color: #727272; padding: 12px 16px; font-weight: 900; border-bottom: 3px solid transparent; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-color: var(--orange); }
.new-pill, .count-pill { margin-left: 7px; padding: 3px 6px; background: var(--cyan); color: var(--ink); border-radius: 2px; font-size: 8px; letter-spacing: .08em; vertical-align: 2px; }
.count-pill { background: #e3e3e3; font-size: 10px; }
.lock-pill { margin-left: 7px; padding: 3px 6px; background: #ececec; color: #555; border-radius: 2px; font-size: 8px; letter-spacing: .08em; vertical-align: 2px; }
.admin-tab.unlocked .lock-pill { background: #ddf6e9; color: var(--green); }
.view { display: none; }
.view.active { display: block; }
.calculator-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(410px, .95fr); gap: 20px; align-items: start; }
.panel { background: var(--paper); border: 1px solid #e0e0e0; box-shadow: var(--shadow); }
.input-panel { padding: 30px; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.panel-heading > div { display: flex; gap: 13px; }
.step-number { width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 auto; background: var(--ink); color: var(--cyan); font-weight: 900; }
.panel h2 { margin: 0; font: 700 26px/1.1 Assistant, Arial, sans-serif; letter-spacing: -.02em; }
.helper-badge { padding: 7px 9px; background: var(--cyan-soft); color: #167384; font-size: 11px; font-weight: 800; }
.field-group { display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 10px; }
.field { display: grid; gap: 8px; color: #4d4d4d; font-size: 12px; font-weight: 900; letter-spacing: .04em; }
.field input, .field select, .field textarea, .paste-zone textarea { width: 100%; border: 1px solid #cfcfcf; border-radius: 2px; background: white; color: var(--ink); padding: 13px 14px; outline: none; transition: border-color .15s, box-shadow .15s; }
.field input:focus, .field select:focus, .field textarea:focus, .paste-zone textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(49,201,223,.18); }
.input-wrap { position: relative; }
.input-wrap input { padding: 16px 48px 16px 16px; font: 800 30px Assistant, Arial, sans-serif; }
.input-wrap b { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: #999; font-size: 13px; }
.swap-button { width: 38px; height: 38px; margin-bottom: 10px; border: 1px solid var(--line); background: var(--soft); border-radius: 50%; font-size: 19px; }
.field-row { display: grid; gap: 14px; }
.quote-options { grid-template-columns: .8fr .8fr 1.45fr .75fr; align-items: end; margin-top: 20px; }
.option-field { align-content: start; }
.option-field > input, .option-field > select, .option-field > .percent-input { height: 48px; }
.option-field > .percent-input input { height: 48px; }
.discount-scope-field select { height: 48px; padding-inline: 11px; }
.options-help { display: grid; grid-template-columns: .8fr .8fr 2.2fr; gap: 14px; margin-top: 8px; color: var(--muted); font-size: 10px; font-weight: 700; line-height: 1.35; }
.options-help span:last-child { grid-column: 3; }
.percent-input { position: relative; }
.percent-input input { padding-right: 42px; }
.percent-input b { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 15px; }
.field-hint { min-height: 28px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 0; line-height: 1.35; }
.breakdown summary { list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 18px 0; cursor: pointer; font-weight: 900; }
.breakdown summary::-webkit-details-marker { display: none; }
.form-error { margin-top: 18px; background: #fff0ee; color: var(--red); border-left: 4px solid var(--red); padding: 12px 14px; font-weight: 700; line-height: 1.45; }
.result-panel { position: sticky; top: 105px; overflow: hidden; }
.classification-strip { min-height: 46px; padding: 12px 24px; display: flex; flex-wrap: wrap; gap: 7px; align-items: center; background: var(--ink); }
.class-pill { padding: 5px 8px; border: 1px solid #484848; color: #ddd; font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.class-pill.accent { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }
.price-stage { padding: 30px 30px 24px; background: linear-gradient(135deg, white 60%, var(--cyan-soft)); }
.final-price { font: 800 clamp(52px, 6vw, 82px)/.9 Assistant, Arial, sans-serif; letter-spacing: -.055em; }
.price-caption { margin: 11px 0 0; color: var(--muted); }
.warnings { display: grid; gap: 8px; padding: 0 30px; }
.warning { padding: 10px 12px; border-left: 4px solid var(--cyan); background: var(--cyan-soft); color: #185f69; font-size: 12px; line-height: 1.4; }
.warning.warning { border-color: #e8a323; background: #fff7df; color: #72510d; }
.warning.danger { border-color: var(--orange); background: var(--orange-soft); color: #8a351e; font-weight: 700; }
.metrics { display: grid; grid-template-columns: repeat(3,1fr); margin: 24px 30px 0; border: 1px solid var(--line); }
.metric { padding: 13px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric small { display: block; color: var(--muted); font-size: 10px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.metric b { display: block; margin-top: 5px; font: 700 19px Assistant, Arial, sans-serif; }
.support-summary { display: grid; gap: 0; margin: 22px 30px 0; border-top: 1px solid var(--line); }
.support-line { display: grid; grid-template-columns: minmax(90px, 1fr) minmax(95px, .9fr) auto; gap: 6px 12px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--line); }
.support-line span { color: var(--muted); font-size: 12px; font-weight: 700; }
.support-line b { text-align: right; font-variant-numeric: tabular-nums; }
.support-line small { color: var(--muted); line-height: 1.35; }
.support-line.copy-line { padding-inline: 12px; border-color: #cfeef3; background: var(--cyan-soft); }
.support-line.copy-start { margin-top: 8px; border-top: 2px solid var(--cyan); }
.support-line.copy-end { margin-bottom: 8px; }
.support-line.copy-line b { font-size: 16px; }
.support-line.discount-line b { color: var(--orange); }
.support-line.summary-line { margin-top: 4px; }
.support-line.total-price { margin-top: 5px; padding: 15px 12px; border: 1px solid #bde7ed; background: #f0fcfe; }
.support-line.total-price span { color: var(--ink); font-size: 14px; font-weight: 900; }
.support-line.total-price b { font: 800 23px Assistant, Arial, sans-serif; }
.breakdown { margin: 18px 30px 0; border-top: 1px solid var(--line); }
.breakdown summary b { padding: 4px 6px; background: var(--orange-soft); color: var(--orange); font-size: 8px; letter-spacing: .1em; }
.break-line { display: grid; grid-template-columns: 1fr auto; gap: 3px 20px; padding: 10px 0; border-top: 1px dashed #dfdfdf; }
.break-line:first-child { border-top: 0; }
.break-line span { font-weight: 700; }
.break-line b { font-variant-numeric: tabular-nums; }
.break-line small { grid-column: 1 / -1; color: var(--muted); line-height: 1.4; }
.break-line.total-count { margin-top: 8px; border-top: 2px solid var(--ink); }
.break-line.total-count b { min-width: 30px; padding: 3px 8px; background: var(--ink); color: white; text-align: center; }
.break-line.configuration { padding: 12px; background: var(--orange-soft); }
.break-line.configuration b { color: var(--orange); font-weight: 900; }
.break-line.grand-total { margin-top: 2px; padding: 14px 12px; border-top: 0; background: var(--cyan-soft); }
.break-line.grand-total span, .break-line.grand-total b { font-size: 18px; font-weight: 900; }
.result-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 24px 30px 0; }
.save-reference-field { margin: 22px 30px 0; padding-top: 18px; border-top: 1px solid var(--line); }
.save-reference-field > span { display: flex; align-items: center; gap: 8px; }
.save-reference-field > span small { padding: 3px 5px; background: var(--cyan-soft); color: #167384; font-size: 8px; letter-spacing: .08em; }
.save-reference-field > input { height: 46px; }
.save-reference-field > small { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 0; }
.primary-button, .secondary-button { min-height: 46px; border: 2px solid var(--ink); border-radius: 1px; padding: 11px 16px; font-weight: 900; }
.primary-button { background: var(--cyan); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }
.primary-button:hover { transform: translate(1px,1px); box-shadow: 3px 3px 0 var(--ink); }
.secondary-button { background: white; color: var(--ink); }
.secondary-button:disabled { opacity: .35; cursor: not-allowed; }
.action-toast { min-height: 20px; margin: 10px 30px 17px; color: var(--green); font-size: 12px; font-weight: 700; text-align: center; }
.batch-panel, .saved-panel { padding: 34px; }
.batch-intro, .saved-header { display: flex; justify-content: space-between; gap: 40px; align-items: start; }
.batch-intro h2, .saved-header h2 { margin: 0; font: 800 36px/1 Assistant, Arial, sans-serif; letter-spacing: -.04em; }
.batch-intro p, .saved-header p { color: var(--muted); }
.format-example { min-width: 360px; padding: 16px; background: var(--ink); color: white; display: grid; gap: 7px; font-size: 11px; }
.format-example b { color: var(--cyan); }
.format-example code { white-space: pre; color: #ddd; }
.paste-zone { display: grid; gap: 10px; margin-top: 28px; }
.paste-zone > span { font-size: 11px; font-weight: 900; letter-spacing: .13em; color: var(--orange); }
.paste-zone textarea { min-height: 180px; resize: vertical; font-family: Consolas, monospace; line-height: 1.5; background: #fbfbfb; }
.batch-controls { display: flex; align-items: center; justify-content: flex-end; gap: 13px; margin: 17px 0 22px; }
.batch-summary { margin-bottom: 12px; font-weight: 700; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { background: var(--ink); color: white; padding: 11px; text-align: left; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
td { padding: 12px 11px; border-bottom: 1px solid var(--line); font-size: 13px; }
td.price-cell { font-weight: 900; font-size: 16px; }
.status-ok { color: var(--green); font-weight: 700; }
.status-review { color: var(--red); font-weight: 700; }
.danger-text { color: var(--red); }
.saved-list { display: grid; gap: 10px; margin-top: 25px; }
.saved-card { display: grid; grid-template-columns: 1fr auto auto; gap: 18px; align-items: center; border: 1px solid var(--line); padding: 16px; }
.saved-card h3 { margin: 0 0 4px; font: 700 19px Assistant, Arial, sans-serif; }
.saved-card p { margin: 0; color: var(--muted); font-size: 12px; }
.saved-card .saved-customer { margin-bottom: 5px; color: var(--ink); font-weight: 900; }
.saved-card .saved-price { font: 800 25px Assistant, Arial, sans-serif; }
.saved-card button { border: 0; background: var(--cyan-soft); padding: 9px 11px; font-weight: 800; }
.empty-state { padding: 45px 20px; background: #fafafa; text-align: center; color: var(--muted); }
.admin-panel { padding: 34px; }
.admin-header { display: flex; justify-content: space-between; gap: 30px; align-items: start; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.admin-header h2 { margin: 0; font: 800 36px/1 Assistant, Arial, sans-serif; }
.admin-header p:not(.eyebrow) { color: var(--muted); }
.admin-price-row { display: flex; justify-content: space-between; gap: 30px; align-items: center; padding: 26px 0; }
.admin-price-row small { display: block; color: var(--orange); font-weight: 900; letter-spacing: .12em; }
.admin-price-row > div > b { display: block; margin-top: 5px; font: 800 48px/.9 Assistant, Arial, sans-serif; }
.admin-price-row #admin-classification { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.admin-warnings { padding: 0; }
.admin-metrics { margin: 22px 0; }
.admin-breakdown { margin: 0; padding-top: 6px; border-top: 2px solid var(--ink); }
.admin-breakdown-title { display: flex; justify-content: space-between; padding: 16px 0 8px; font-weight: 900; }
.admin-breakdown-title b { padding: 4px 6px; background: var(--orange-soft); color: var(--orange); font-size: 8px; letter-spacing: .1em; }
.admin-dialog { width: min(460px, calc(100vw - 32px)); padding: 0; border: 0; box-shadow: 0 24px 80px rgba(0,0,0,.28); }
.admin-dialog::backdrop { background: rgba(17,17,17,.65); }
.admin-dialog form { position: relative; display: grid; gap: 16px; padding: 34px; }
.admin-dialog h2 { margin: 0; font: 800 30px/1 Assistant, Arial, sans-serif; }
.admin-dialog p { margin: 0; color: var(--muted); line-height: 1.45; }
.admin-dialog .eyebrow { color: var(--orange); }
.dialog-close { position: absolute; top: 12px; right: 14px; border: 0; background: transparent; font-size: 26px; }
.auth-error { min-height: 18px; color: var(--red) !important; font-size: 12px; font-weight: 700; }
.security-note { color: var(--muted); line-height: 1.45; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 22px clamp(20px, 4vw, 64px); background: var(--ink); color: #bbb; font-size: 10px; font-weight: 900; letter-spacing: .12em; }
footer span:first-child { color: var(--cyan); }
@media (max-width: 980px) {
  .calculator-grid { grid-template-columns: 1fr; }
  .result-panel { position: static; }
  .hero { min-height: 220px; }
  .batch-intro { display: grid; }
  .format-example { min-width: 0; }
}
@media (max-width: 650px) {
  .topbar { height: 72px; gap: 10px; }
  .header-note { display: none; }
  .brand-logo { width: 150px; height: 48px; }
  .hero { display: grid; gap: 22px; }
  .tabs { overflow-x: auto; }
  .tab { white-space: nowrap; }
  .input-panel, .batch-panel, .saved-panel { padding: 20px; }
  .quote-options { grid-template-columns: 1fr 1fr; }
  .options-help { grid-template-columns: 1fr; }
  .options-help span:last-child { grid-column: 1; }
  .panel-heading { display: grid; }
  .metrics { margin-inline: 20px; }
  .breakdown { margin-inline: 20px; }
  .result-actions { grid-template-columns: 1fr; padding-inline: 20px; }
  .save-reference-field { margin-inline: 20px; }
  .batch-controls { align-items: stretch; flex-direction: column; }
  .saved-header { display: grid; }
  .admin-header, .admin-price-row { display: grid; }
  .admin-price-row #admin-classification { justify-content: flex-start; }
  .support-line { grid-template-columns: 1fr auto; }
  .support-line small { grid-column: 1 / -1; grid-row: 2; }
  .support-line b { grid-column: 2; grid-row: 1; }
  .saved-card { grid-template-columns: 1fr auto; }
  .saved-card button { grid-column: 1 / -1; }
}
@media print {
  .topbar, .hero, .tabs, .input-panel, .result-actions, footer { display: none !important; }
  body, .shell { background: white; padding: 0; }
  .view { display: none !important; }
  #single-view { display: block !important; }
  .calculator-grid { display: block; }
  .result-panel { position: static; box-shadow: none; border: 0; }
}
body.auth-loading > :not(.auth-screen), body:not(.authenticated) > :not(.auth-screen) { visibility: hidden; }
body.authenticated > .auth-screen { display: none; }
.auth-screen { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 80% 15%, #e9fbff 0, transparent 32%), #f7f6f3; visibility: visible !important; }
.auth-card { width: min(430px, 100%); padding: 38px; border: 1px solid #d9d9d6; background: #fff; box-shadow: 12px 12px 0 #111; }
.auth-card > img { width: 170px; height: 60px; object-fit: contain; object-position: left center; margin-bottom: 28px; }
.auth-card h1 { margin: 5px 0 8px; font-size: clamp(2.2rem, 7vw, 3.6rem); line-height: .92; }
.auth-card > p:not(.eyebrow):not(.auth-error) { margin: 0 0 24px; color: #666; }
.auth-card .field { display: grid; margin-top: 16px; }
.auth-card .primary-button { width: 100%; margin: 18px 0 12px; }
.auth-card > small { display: block; color: #777; line-height: 1.45; }
.admin-users { margin-top: 36px; border-top: 1px solid #ddd; padding-top: 24px; }
.user-create-form { display: grid; grid-template-columns: 1.3fr 1fr 1fr auto; gap: 12px; align-items: end; margin: 18px 0; }
.user-create-form .field { display: grid; }
.user-create-form input { min-height: 48px; }
.user-list { display: grid; gap: 8px; }
.user-row { display: grid; grid-template-columns: 1.4fr 1fr .6fr auto; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid #ddd; background: #fafafa; }
.user-row small { color: #666; }
.user-row button { min-height: 38px; border: 1px solid #111; background: #fff; font-weight: 800; cursor: pointer; }
@media (max-width: 760px) { .user-create-form, .user-row { grid-template-columns: 1fr; } .auth-card { padding: 28px 24px; box-shadow: 7px 7px 0 #111; } }