/* Renovation calculator + admin — builds on styles.css tokens */
.calc-hero { padding: clamp(40px, 6vw, 72px) clamp(18px, 6vw, 86px) clamp(44px, 6vw, 68px); color: var(--white); background: var(--grad-brand); }
.calc-hero h1 { margin-top: 2px; }
.calc-hero p:not(.eyebrow) { max-width: 560px; margin: 12px 0 0; color: rgba(255,255,255,0.88); }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; color: rgba(255,255,255,0.8); font-size: 0.84rem; }
.breadcrumb a:hover { color: var(--white); text-decoration: underline; }

.calc-section { padding: clamp(28px, 4vw, 52px) clamp(18px, 6vw, 86px) clamp(44px, 6vw, 80px); }
.calc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; width: min(1180px, 100%); margin: 0 auto; }
.calc-main { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; min-width: 0; }
.calc-block { padding: clamp(18px, 3vw, 28px); background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 28px rgba(8,44,61,0.06); }
.calc-title { margin: 0 0 14px; padding-left: 12px; border-left: 4px solid var(--blue); font-size: 1.12rem; line-height: 1.3; font-weight: 700; }
.calc-title-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin: 28px 0 14px; }
.calc-title-row .calc-title { margin: 0; border-left-color: var(--green); }
.calc-note { margin: 14px 0 0; color: var(--muted); font-size: 0.86rem; }

.table-scroll { overflow-x: auto; }
.ref-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; text-align: center; }
.ref-table th, .ref-table td { padding: 11px 10px; border: 1px solid var(--line); white-space: nowrap; }
.ref-table thead th { color: var(--white); background: var(--grad-cool); font-weight: 600; }
.ref-table tbody th { background: var(--soft-blue); color: var(--teal); font-weight: 600; }

.unit-fields { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.unit-fields label { display: grid; gap: 6px; font-size: 0.86rem; font-weight: 600; }
.unit-fields input, .item-qty input, .book-form input, .book-form select { width: 100%; min-height: 42px; padding: 8px 10px; color: var(--ink); background: #fbfdfe; border: 1px solid var(--line); border-radius: 6px; }
.unit-fields input:focus, .item-qty input:focus, .book-form input:focus, .book-form select:focus { outline: 3px solid rgba(31,119,184,0.18); border-color: var(--blue); }
.stepper { display: grid; grid-template-columns: 38px minmax(0, 1fr) 38px; }
.stepper button { border: 1px solid var(--line); background: var(--soft-blue); color: var(--blue-deep); font-size: 1.15rem; line-height: 1; cursor: pointer; }
.stepper button:first-child { border-radius: 6px 0 0 6px; }
.stepper button:last-child { border-radius: 0 6px 6px 0; }
.stepper input { border-radius: 0; text-align: center; border-left: 0; border-right: 0; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.preset-actions { display: flex; gap: 8px; }
.chip { min-height: 34px; padding: 6px 14px; color: var(--white); background: var(--grad-fresh); border: 0; border-radius: 999px; font-size: 0.84rem; font-weight: 600; cursor: pointer; }
.chip-quiet { color: var(--muted); background: var(--white); border: 1px solid var(--line); }

.item-groups { display: grid; gap: 16px; }
.item-group h3 { margin: 0 0 6px; padding: 7px 12px; color: var(--teal); background: var(--soft-blue); border-radius: 6px; font-size: 0.92rem; font-weight: 700; }
.item-group ul { margin: 0; padding: 0; list-style: none; }
.item-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 4px; border-bottom: 1px solid var(--line); }
.item-row:last-child { border-bottom: 0; }
.item-check { display: flex; flex: 1; align-items: center; flex-wrap: wrap; gap: 6px 10px; min-width: 0; cursor: pointer; font-size: 0.92rem; }
.item-check input { flex: 0 0 auto; width: 18px; height: 18px; accent-color: var(--blue); }
.tag { padding: 1px 8px; border-radius: 999px; font-size: 0.72rem; font-style: normal; font-weight: 600; }
.tag-required { color: var(--green-deep); background: var(--soft-green); }
.tag-quote { color: var(--blue-deep); background: var(--soft-blue); }
.item-qty { display: flex; flex: 0 0 auto; align-items: center; gap: 6px; color: var(--muted); font-size: 0.86rem; }
.item-qty input { width: 76px; min-height: 36px; text-align: center; }
.item-qty input:disabled { opacity: 0.45; }
.calc-submit { width: 100%; margin-top: 24px; }

.calc-aside { position: sticky; top: 92px; }
.result-card { padding: 22px; color: var(--white); background: var(--grad-deep); border-radius: var(--radius); box-shadow: var(--shadow); }
.result-label { margin: 0; color: #bfe6b0; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; }
.result-total { margin: 4px 0 14px; font-size: clamp(1.9rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.15; }
.result-rows { display: grid; gap: 1px; margin: 0; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.18); border-radius: 6px; overflow: hidden; }
.result-rows div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; background: rgba(8,44,61,0.45); font-size: 0.92rem; }
.result-rows dt { color: rgba(255,255,255,0.78); }
.result-rows dd { margin: 0; font-weight: 600; }
.result-flags { margin-top: 12px; padding: 10px 12px; color: #07303f; background: #d9f1cd; border-radius: 6px; font-size: 0.82rem; }
.result-flags p { margin: 0; }
.result-flags p + p { margin-top: 6px; }
.result-detail { margin-top: 12px; font-size: 0.86rem; }
.result-detail summary { cursor: pointer; color: rgba(255,255,255,0.85); font-weight: 600; }
.result-detail ul { margin: 8px 0 0; padding: 0; list-style: none; max-height: 260px; overflow-y: auto; }
.result-detail li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.14); color: rgba(255,255,255,0.82); }
.result-detail li strong { flex: 0 0 auto; color: var(--white); font-weight: 600; text-align: right; }
.result-detail small { opacity: 0.7; }
.result-cta { width: 100%; margin-top: 16px; }

.calc-book { padding: clamp(44px, 6vw, 76px) clamp(18px, 6vw, 86px); color: var(--white); background: var(--grad-brand); }
.calc-book-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(26px, 5vw, 70px); align-items: center; width: min(1100px, 100%); margin: 0 auto; }
.calc-book h2 { margin: 0; font-size: clamp(1.45rem, 2.7vw, 2.2rem); font-weight: 700; }
.calc-book p:not(.eyebrow) { margin: 12px 0 0; color: rgba(255,255,255,0.88); }
.book-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: clamp(18px, 3vw, 26px); color: var(--ink); background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.book-form label { display: grid; gap: 6px; font-size: 0.86rem; font-weight: 600; }
.book-form .full { grid-column: 1 / -1; }
.book-form .btn-light { color: var(--white); background: var(--grad-fresh); }

.calc-footnote { width: min(1100px, 100%); margin: 0 auto; padding: 32px clamp(18px, 6vw, 86px) 44px; }
.calc-footnote h3 { margin: 0 0 8px; font-size: 1rem; }
.calc-footnote ul { margin: 0; padding-left: 1.2rem; color: var(--muted); font-size: 0.86rem; }
.calc-footnote li + li { margin-top: 4px; }

@media (max-width: 1000px) {
  .calc-layout { grid-template-columns: minmax(0, 1fr); }
  .calc-aside { position: static; }
  .calc-book-inner { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .unit-fields { grid-template-columns: 1fr 1fr; }
  .unit-fields label:first-child { grid-column: 1 / -1; }
  .item-row { align-items: flex-start; flex-direction: column; gap: 6px; }
  .item-qty { padding-left: 28px; }
  .book-form { grid-template-columns: 1fr; }
  .ref-table { font-size: 0.82rem; }
}

/* ---- Admin ---- */
.admin-page { background: var(--paper); }
.admin-wrap { width: min(1280px, 100%); margin: 0 auto; padding: clamp(24px, 4vw, 48px) clamp(14px, 4vw, 40px) 80px; }
.login-card { width: min(420px, 100%); margin: clamp(30px, 8vh, 90px) auto; padding: 28px; background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--blue); border-radius: var(--radius); box-shadow: var(--shadow); }
.login-card h1 { margin-bottom: 6px; font-size: 1.5rem; }
.login-card p { margin: 0 0 18px; color: var(--muted); font-size: 0.9rem; }
.admin-field { display: grid; gap: 6px; margin-bottom: 14px; font-size: 0.86rem; font-weight: 600; }
.admin-field input, .admin-table input[type="text"], .admin-table input[type="number"], .admin-table select, .rate-grid input { width: 100%; min-height: 38px; padding: 6px 9px; color: var(--ink); background: #fbfdfe; border: 1px solid var(--line); border-radius: 6px; }
.admin-field input:focus, .admin-table input:focus, .admin-table select:focus, .rate-grid input:focus { outline: 3px solid rgba(31,119,184,0.18); border-color: var(--blue); }
.admin-msg { min-height: 22px; margin: 10px 0 0; font-size: 0.86rem; font-weight: 600; color: var(--green-deep); }
.admin-msg.is-error { color: #b3261e; }
.admin-bar { position: sticky; top: 62px; z-index: 20; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 18px; padding: 12px 16px; background: rgba(255,255,255,0.96); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 22px rgba(8,44,61,0.08); backdrop-filter: blur(10px); }
.admin-bar h1 { margin: 0; font-size: 1.15rem; }
.admin-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.admin-actions .btn { min-height: 38px; padding: 6px 16px; font-size: 0.86rem; }
.btn-outline { color: var(--blue-deep); background: var(--white); border: 1px solid var(--line); }
.admin-card { margin-bottom: 18px; padding: clamp(16px, 3vw, 24px); background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 28px rgba(8,44,61,0.05); }
.admin-card h2 { margin: 0 0 6px; font-size: 1.05rem; font-weight: 700; }
.admin-card > p { margin: 0 0 14px; color: var(--muted); font-size: 0.86rem; }
.rate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.rate-grid label { display: grid; gap: 5px; font-size: 0.82rem; font-weight: 600; }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; min-width: 1380px; border-collapse: collapse; font-size: 0.84rem; }
.admin-table th { padding: 9px 8px; color: var(--white); background: var(--grad-cool); font-weight: 600; text-align: left; white-space: nowrap; }
.admin-table td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-table tr.group-row td { padding: 8px 10px; color: var(--teal); background: var(--soft-blue); font-weight: 700; }
.admin-table .col-id { width: 52px; font-weight: 700; color: var(--blue-deep); }
.admin-table .col-name { min-width: 230px; }
.admin-table .col-num { width: 104px; }
.admin-table .col-qty { width: 150px; }
.admin-table .col-rule { min-width: 150px; }
.admin-table .col-flag { width: 64px; text-align: center; }
.admin-table .orig { color: var(--muted); white-space: nowrap; }
.admin-table .formula { max-width: 220px; color: var(--muted); font-size: 0.78rem; }
.admin-table input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--blue); }
.qty-pair { display: grid; grid-template-columns: minmax(70px, 1fr) 52px; gap: 4px; }
.price-pair { display: flex; align-items: center; gap: 4px; }
.price-pair span { color: var(--muted); }
.admin-hint { margin: 12px 0 0; color: var(--muted); font-size: 0.8rem; }
.pw-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; align-items: end; }
.pw-grid .admin-field { margin: 0; }