:root {
    --ink: #14212b;
    --muted: #68747d;
    --line: #dfe5e8;
    --surface: #ffffff;
    --surface-soft: #f4f7f6;
    --brand: #126f5b;
    --brand-dark: #0c5748;
    --accent: #e7a93a;
    --danger: #bb3b3b;
    --success: #14745b;
    --shadow: 0 18px 50px rgba(28, 47, 57, .09);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: #eef2f1;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: linear-gradient(180deg, #f8faf9 0, #eef2f1 520px); color: var(--ink); }
button, input, select { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header {
    min-height: 76px;
    padding: 14px clamp(18px, 5vw, 72px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-bottom: 1px solid rgba(20, 33, 43, .08);
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(16px);
    position: relative;
    z-index: 10;
}

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: var(--brand); color: white; font-weight: 800; font-size: 20px; }
.brand > span:last-child { display: grid; line-height: 1.15; }
.brand strong { font-size: 17px; }
.brand small { margin-top: 4px; color: var(--muted); font-size: 12px; }
.admin-link { border: 0; background: transparent; font-weight: 700; font-size: 14px; color: var(--brand-dark); text-underline-offset: 4px; cursor: pointer; }
.admin-link:hover { color: var(--brand); }
.admin-link:focus-visible, .brand:focus-visible { outline: 3px solid rgba(231, 169, 58, .5); outline-offset: 4px; border-radius: 6px; }

.page-shell, .admin-shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 58px 0 80px; }
.hero { display: grid; grid-template-columns: 1.4fr .8fr; align-items: end; gap: 32px; margin-bottom: 34px; }
.eyebrow { margin: 0 0 12px; color: var(--brand); text-transform: uppercase; letter-spacing: .13em; font-size: 12px; font-weight: 800; }
h1 { margin: 0; font-size: clamp(36px, 5vw, 64px); line-height: 1.02; letter-spacing: -.045em; }
.hero-copy { max-width: 700px; margin: 20px 0 0; color: var(--muted); font-size: clamp(16px, 2vw, 20px); line-height: 1.55; }
.vehicle-card { padding: 22px; display: flex; gap: 14px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 255, 255, .76); box-shadow: var(--shadow); }
.status-dot { flex: 0 0 auto; width: 11px; height: 11px; margin-top: 4px; border-radius: 50%; background: #32ad7b; box-shadow: 0 0 0 5px rgba(50, 173, 123, .12); }
.vehicle-card div { display: grid; gap: 5px; }
.vehicle-card small, .vehicle-card span { color: var(--muted); font-size: 12px; }
.vehicle-card strong { font-size: 15px; line-height: 1.35; }

.calculator { display: grid; gap: 20px; }
.panel { padding: clamp(22px, 4vw, 38px); border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.section-heading { margin-bottom: 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.section-heading > div { display: flex; align-items: center; gap: 14px; }
.section-heading h2 { margin: 0; font-size: clamp(21px, 3vw, 28px); letter-spacing: -.025em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 13px; text-align: right; }
.step { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: #e8f2ef; color: var(--brand); font-size: 12px; font-weight: 800; }

.form-grid { display: grid; gap: 18px; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field { min-width: 0; display: grid; gap: 8px; }
.field > span { font-size: 13px; font-weight: 750; }
.field > small { margin-top: -2px; color: var(--muted); font-size: 11px; }
.field input {
    width: 100%; height: 50px; padding: 0 15px; border: 1px solid #ccd5d9; border-radius: 12px;
    background: #fbfcfc; color: var(--ink); outline: none; transition: border-color .15s, box-shadow .15s, background .15s;
}
.field input:hover { border-color: #aebbc0; }
.field input:focus { border-color: var(--brand); background: white; box-shadow: 0 0 0 4px rgba(18, 111, 91, .11); }
.field input:invalid:not(:placeholder-shown) { border-color: rgba(187, 59, 59, .65); }
.field select {
    width: 100%; height: 50px; padding: 0 42px 0 15px; border: 1px solid #ccd5d9; border-radius: 12px;
    background: #fbfcfc; color: var(--ink); outline: none; cursor: pointer;
}
.field select:hover { border-color: #aebbc0; }
.field select:focus { border-color: var(--brand); background: white; box-shadow: 0 0 0 4px rgba(18, 111, 91, .11); }
.carrier-field { max-width: 560px; margin-bottom: 20px; }
.own-empty-option { max-width: 560px; margin-bottom: 20px; }
.customer-card { margin: 0 0 22px; padding: 18px; display: grid; gap: 14px; border: 1px solid var(--line); border-radius: 16px; background: #f8fbfa; }
.customer-search-row, .customer-address-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 12px; }
.customer-create-panel, .customer-address-panel { padding-top: 14px; display: grid; grid-template-columns: minmax(0, 2fr) minmax(180px, 1fr) auto auto; align-items: end; gap: 12px; border-top: 1px solid var(--line); }
.customer-address-panel { grid-template-columns: minmax(0, 1fr) auto auto; }
.customer-search-row .button, .customer-address-row .button, .customer-create-panel .button, .customer-address-panel .button { min-height: 46px; }
.address-field { min-width: 0; display: grid; gap: 10px; }
.address-tools { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.select-field { min-width: 0; }
.select-field select {
    width: 100%; height: 42px; padding: 0 38px 0 12px; border: 1px solid #ccd5d9; border-radius: 10px;
    background: #f8faf9; color: var(--ink); cursor: pointer; outline: none;
}
.select-field select:hover { border-color: #aebbc0; }
.select-field select:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(18, 111, 91, .11); }
.address-save-toggle { min-height: 42px; padding: 0 13px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--brand-dark); font-weight: 750; cursor: pointer; }
.address-save-toggle:hover { border-color: #aebbc0; background: #f8faf9; }
.address-save-toggle:focus-visible { outline: 3px solid rgba(231, 169, 58, .55); outline-offset: 2px; }
.address-save-panel { padding: 12px; display: grid; grid-template-columns: minmax(160px, 1fr) auto auto; gap: 8px; align-items: end; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); }
.address-save-panel .field { gap: 6px; }
.address-save-panel .field input { height: 42px; background: white; }
.address-save-panel .button { min-height: 42px; padding-inline: 14px; }
.address-status { margin: 0; color: var(--success); font-size: 12px; font-weight: 700; }
.route-note { margin-top: 18px; display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 13px; }
.route-note span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--surface-soft); color: var(--brand); font-weight: 800; }

.button { min-height: 46px; padding: 0 19px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; border-radius: 12px; text-decoration: none; font-weight: 780; cursor: pointer; transition: transform .15s, background .15s, border-color .15s, box-shadow .15s; }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:focus-visible { outline: 3px solid rgba(231, 169, 58, .55); outline-offset: 3px; }
.button:disabled { opacity: .6; cursor: wait; transform: none; }
.button-primary { background: var(--brand); color: white; box-shadow: 0 10px 28px rgba(18, 111, 91, .22); }
.button-primary:hover { background: var(--brand-dark); }
.button-secondary { border-color: var(--line); background: white; color: var(--brand-dark); box-shadow: none; }
.button-secondary:hover { border-color: #aebbc0; background: #f8faf9; }
.button-danger { border-color: #e6bdbd; background: #fff5f5; color: #9f2f2f; box-shadow: none; }
.button-danger:hover { border-color: #d99b9b; background: #fbe8e8; }
.button-small { min-height: 40px; padding-inline: 14px; font-size: 13px; }
.submit-button { width: 100%; min-height: 60px; justify-content: space-between; padding-inline: 26px; font-size: 17px; }

.items-table { display: grid; gap: 12px; }
.item-row { display: grid; grid-template-columns: 42px minmax(170px, 2fr) repeat(5, minmax(92px, 1fr)) 38px; gap: 10px; align-items: end; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fbfcfc; }
.item-row .field { gap: 6px; }
.item-row .field > span { color: var(--muted); font-size: 11px; }
.item-row .field input { height: 44px; padding-inline: 11px; background: white; }
.item-index { align-self: stretch; display: grid; place-items: center; }
.item-index span { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: #e8f2ef; color: var(--brand); font-size: 12px; font-weight: 800; }
.remove-item { width: 36px; height: 36px; margin-bottom: 4px; border: 0; border-radius: 10px; background: #f5e8e8; color: var(--danger); font-size: 22px; cursor: pointer; }
.remove-item:hover { background: #edd7d7; }
.remove-item:focus-visible { outline: 3px solid rgba(187, 59, 59, .22); }
.remove-item:disabled { opacity: .3; cursor: not-allowed; }
.cargo-totals { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 170px 170px 1fr; gap: 18px; align-items: center; }
.cargo-totals > div:not(.capacity-status) { display: grid; gap: 5px; }
.cargo-totals small { color: var(--muted); }
.cargo-totals strong { font-size: 20px; }
.capacity-status { justify-self: end; padding: 10px 13px; border-radius: 10px; background: var(--surface-soft); color: var(--muted); font-size: 13px; font-weight: 700; }
.capacity-status.ok { background: #e2f2eb; color: var(--success); }
.capacity-status.bad { background: #f8e5e5; color: var(--danger); }

.services-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.service-option { min-height: 80px; padding: 16px; display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 14px; background: #fbfcfc; cursor: pointer; }
.service-option:hover { border-color: #b6c2c6; }
.service-option input { position: absolute; opacity: 0; pointer-events: none; }
.checkmark { flex: 0 0 auto; width: 24px; height: 24px; border: 2px solid #b7c3c7; border-radius: 7px; background: white; position: relative; }
.service-option input:checked + .checkmark { border-color: var(--brand); background: var(--brand); }
.service-option input:checked + .checkmark::after { content: ""; position: absolute; left: 7px; top: 3px; width: 6px; height: 11px; border: solid white; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.service-option input:focus-visible + .checkmark { outline: 3px solid rgba(231, 169, 58, .55); outline-offset: 3px; }
.service-option > span:last-child { display: grid; gap: 4px; }
.service-option small { color: var(--muted); }
.toll-field input { height: 43px; }

.form-message { padding: 15px 18px; border-radius: 12px; font-weight: 650; line-height: 1.45; }
.form-message.error { background: #f8e5e5; color: #8d2929; border: 1px solid #efc6c6; }
.form-message.success { background: #e2f2eb; color: #0d5f49; border: 1px solid #c3e4d7; }

.result-panel { margin-top: 28px; padding: clamp(26px, 5vw, 46px); border-radius: 26px; background: #142d29; color: white; box-shadow: 0 24px 60px rgba(20, 45, 41, .24); }
.result-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 26px; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.result-top .eyebrow { color: #9cd7c5; }
.result-top > div > strong { font-size: clamp(40px, 7vw, 70px); letter-spacing: -.05em; }
.result-badge, .mini-badge { padding: 8px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.result-badge.ok { background: rgba(81, 196, 151, .17); color: #9ae0c2; }
.result-badge.bad { background: rgba(235, 118, 118, .17); color: #f2adad; }
.result-grid { padding-top: 26px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.result-grid > div { display: grid; gap: 7px; }
.result-grid small { color: #abc1bc; }
.result-grid strong { font-size: 18px; }
.result-disclaimer { margin: 28px 0 0; color: #abc1bc; font-size: 12px; line-height: 1.55; }
.carrier-quotes-section { margin-top: 32px; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, .14); }
.carrier-quotes-section h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); }
.carrier-quotes { margin-top: 18px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.carrier-quote-card { min-width: 0; padding: 18px; display: grid; gap: 16px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 16px; background: rgba(255, 255, 255, .06); }
.carrier-quote-card.selected { border-color: rgba(154, 224, 194, .55); background: rgba(81, 196, 151, .12); }
.carrier-quote-card.unavailable { opacity: .68; }
.carrier-quote-card > div { display: grid; gap: 5px; }
.carrier-quote-card small { color: #abc1bc; }
.carrier-quote-card b { font-size: 22px; }
.carrier-quote-card ul { margin: 0; padding: 0; display: grid; gap: 7px; list-style: none; }
.carrier-quote-card li { display: flex; justify-content: space-between; gap: 14px; color: #dce8e5; font-size: 13px; }

.site-footer { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 24px 0 40px; border-top: 1px solid rgba(20, 33, 43, .1); display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; }

.admin-body { min-height: 100vh; }
.admin-shell { width: min(1220px, calc(100% - 36px)); }
.logout-form { margin: 0; }
.auth-card { width: min(480px, 100%); margin: 30px auto 0; padding: clamp(28px, 5vw, 42px); border: 1px solid var(--line); border-radius: 24px; background: white; box-shadow: var(--shadow); }
.auth-card h1 { font-size: clamp(30px, 6vw, 44px); }
.auth-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.55; }
.auth-form { margin-top: 28px; display: grid; gap: 17px; }
.admin-heading { margin-bottom: 30px; display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.admin-heading h1 { font-size: clamp(38px, 5vw, 58px); }
.settings-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.field-wide { grid-column: 1 / -1; }
.settings-form .service-option { min-height: 70px; }
.history-panel { margin-top: 20px; }
.history-heading form { margin: 0; }
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; min-width: 880px; border-collapse: collapse; background: white; }
th, td { padding: 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13px; }
th { color: var(--muted); background: #f6f8f7; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
tr:last-child td { border-bottom: 0; }
td small { display: block; margin-top: 5px; color: var(--muted); }
.table-delete { padding: 7px 10px; border: 1px solid #e6bdbd; border-radius: 8px; background: #fff5f5; color: #9f2f2f; font-weight: 700; cursor: pointer; }
.table-delete:hover { border-color: #d99b9b; background: #fbe8e8; }
.table-delete:focus-visible { outline: 3px solid rgba(187, 59, 59, .22); outline-offset: 2px; }
.route-arrow { margin: 0 8px; color: var(--brand); }
.mini-badge { display: inline-flex; padding: 5px 8px; }
.mini-badge.ok { color: var(--success); background: #e2f2eb; }
.mini-badge.bad { color: var(--danger); background: #f8e5e5; }
.empty-state { margin: 0; padding: 28px; border: 1px dashed #cbd4d7; border-radius: 14px; text-align: center; color: var(--muted); }

@media (max-width: 1020px) {
    .hero { grid-template-columns: 1fr; align-items: start; }
    .vehicle-card { max-width: 480px; }
    .item-row { grid-template-columns: 36px repeat(3, minmax(0, 1fr)) 36px; }
    .item-name { grid-column: 2 / span 3; }
    .remove-item { grid-column: 5; grid-row: 1; }
    .item-row > .field:nth-of-type(5), .item-row > .field:nth-of-type(6) { grid-row: 2; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .toll-field { grid-column: 1 / -1; }
    .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
    .customer-search-row, .customer-address-row, .customer-create-panel, .customer-address-panel { grid-template-columns: 1fr; align-items: stretch; }
}

@media (max-width: 720px) {
    .site-header { min-height: 68px; padding: 12px 18px; }
    .brand-mark { width: 40px; height: 40px; }
    .brand small { display: none; }
    .admin-link { font-size: 12px; }
    .page-shell, .admin-shell { width: min(100% - 24px, 1180px); padding-top: 34px; }
    .hero { gap: 24px; margin-bottom: 24px; }
    h1 { font-size: clamp(36px, 12vw, 52px); }
    .panel { padding: 20px; border-radius: 18px; }
    .section-heading { align-items: flex-start; flex-direction: column; margin-bottom: 22px; }
    .section-heading p { text-align: left; }
    .two-columns, .services-grid, .settings-form { grid-template-columns: 1fr; }
    .address-tools, .address-save-panel { grid-template-columns: 1fr; }
    .address-save-toggle, .address-save-panel .button { width: 100%; }
    .field-wide, .toll-field { grid-column: auto; }
    .item-row { grid-template-columns: 34px 1fr 34px; padding: 14px; }
    .item-index { grid-column: 1; grid-row: 1; }
    .item-name { grid-column: 2; grid-row: 1; }
    .remove-item { grid-column: 3; grid-row: 1; }
    .item-row > .field:not(.item-name) { grid-column: 1 / -1; grid-row: auto !important; }
    .cargo-totals { grid-template-columns: 1fr 1fr; }
    .capacity-status { grid-column: 1 / -1; justify-self: stretch; text-align: center; }
    .result-top, .admin-heading { flex-direction: column; align-items: flex-start; }
    .result-grid { grid-template-columns: 1fr; }
    .carrier-quotes { grid-template-columns: 1fr; }
    .site-footer { width: calc(100% - 24px); flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}