:root {
    --ink: #17181a;
    --charcoal: #242321;
    --graphite: #343331;
    --stone: #f4f1eb;
    --paper: #fffdf8;
    --line: #ddd6c9;
    --gold: #a78b2d;
    --gold-dark: #776118;
    --aqua: #0f8b8d;
    --green: #207a4c;
    --red: #b33b3b;
    --shadow: 0 18px 55px rgba(23, 24, 26, .12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--stone);
}

a {
    color: inherit;
    text-decoration: none;
}

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

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 253, 248, .95);
    color: var(--ink);
    padding: 12px 13px;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(167, 139, 45, .14);
}

label span {
    display: block;
    margin-bottom: 7px;
    color: #5d584f;
    font-size: 13px;
    font-weight: 700;
}

.auth-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr);
    background: var(--paper);
}

.login-visual {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: 56px;
    background:
        linear-gradient(180deg, rgba(23, 24, 26, .08), rgba(23, 24, 26, .78)),
        url("../assets/hero-pool.jpg") center / cover;
}

.visual-copy {
    max-width: 720px;
    color: #fff;
}

.visual-copy p,
.eyebrow {
    margin: 0 0 8px;
    color: var(--gold);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.visual-copy h1 {
    margin: 0;
    font-size: clamp(44px, 7vw, 88px);
    line-height: .95;
}

.visual-copy span {
    display: block;
    max-width: 540px;
    margin-top: 20px;
    color: rgba(255, 255, 255, .86);
    font-size: 18px;
    line-height: 1.6;
}

.login-panel {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 52px;
    background:
        linear-gradient(180deg, rgba(255, 253, 248, .95), rgba(244, 241, 235, .94)),
        url("../assets/tile-art.jpg") center / cover;
}

.login-panel.narrow {
    width: min(460px, calc(100vw - 32px));
    min-height: auto;
    margin: auto;
    box-shadow: var(--shadow);
}

.login-logo {
    width: min(420px, 100%);
    height: auto;
    margin-bottom: 38px;
    image-rendering: auto;
}

.login-mark {
    width: 92px;
    height: auto;
}

.login-heading h2,
.section-heading h2,
.split-actions h2,
.admin-panel h2 {
    margin: 0;
    color: var(--charcoal);
    font-size: 28px;
}

.stack-form {
    display: grid;
    gap: 18px;
    margin-top: 26px;
}

.app-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
    background:
        linear-gradient(90deg, rgba(244, 241, 235, .98), rgba(244, 241, 235, .9)),
        url("../assets/interior-pool.jpg") center / cover fixed;
}

.side-nav {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 26px;
    background: rgba(23, 24, 26, .94);
    color: #fff;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-lockup img {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #fff;
}

.brand-lockup strong,
.brand-lockup small {
    display: block;
}

.brand-lockup small {
    color: rgba(255, 255, 255, .62);
}

.side-nav nav {
    display: grid;
    gap: 10px;
}

.side-nav nav a,
.logout-form button {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 8px;
    background: rgba(255, 255, 255, .06);
    color: #fff;
    padding: 12px 14px;
    text-align: left;
    cursor: pointer;
}

.side-nav nav a:hover,
.logout-form button:hover {
    border-color: rgba(167, 139, 45, .7);
    background: rgba(167, 139, 45, .16);
}

.logout-form {
    margin-top: auto;
}

.main-panel {
    padding: 28px;
}

.topbar,
.split-actions,
.section-heading.inline,
.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.form-actions.end {
    justify-content: flex-end;
}

.topbar {
    margin-bottom: 22px;
}

.topbar h1 {
    margin: 0;
    font-size: clamp(28px, 4vw, 44px);
}

.user-chip {
    min-width: 170px;
    padding: 12px 16px;
    border: 1px solid rgba(167, 139, 45, .28);
    border-radius: 8px;
    background: rgba(255, 253, 248, .82);
    text-align: right;
}

.user-chip span,
.user-chip small {
    display: block;
}

.user-chip small {
    color: var(--gold-dark);
    font-weight: 800;
    text-transform: uppercase;
}

.button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 8px;
    padding: 10px 16px;
    font-weight: 850;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

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

.button.primary {
    background: var(--gold);
    color: #fff;
    box-shadow: 0 12px 24px rgba(167, 139, 45, .2);
}

.button.secondary {
    background: var(--charcoal);
    color: #fff;
}

.button.ghost {
    border: 1px solid var(--line);
    background: rgba(255, 253, 248, .88);
    color: var(--charcoal);
}

.button.accept {
    background: var(--green);
    color: #fff;
}

.button.reject {
    background: var(--red);
    color: #fff;
}

.button.small {
    min-height: 34px;
    padding: 7px 11px;
    font-size: 12px;
}

.button.wide {
    width: 100%;
}

.alert {
    margin: 0 0 18px;
    border-radius: 8px;
    padding: 13px 15px;
    font-weight: 750;
}

.alert.success {
    border: 1px solid rgba(32, 122, 76, .25);
    background: rgba(32, 122, 76, .1);
    color: var(--green);
}

.alert.danger {
    border: 1px solid rgba(179, 59, 59, .25);
    background: rgba(179, 59, 59, .09);
    color: var(--red);
}

.split-actions,
.table-surface,
.form-band,
.admin-panel,
.metrics-grid article {
    border: 1px solid rgba(221, 214, 201, .8);
    border-radius: 8px;
    background: rgba(255, 253, 248, .9);
    box-shadow: var(--shadow);
}

.split-actions,
.form-band,
.admin-panel {
    padding: 24px;
}

.muted,
.refresh-note {
    color: #686158;
}

.table-surface {
    margin-top: 18px;
    overflow: hidden;
}

.responsive-table {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 820px;
}

th,
td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

th {
    color: #625c53;
    font-size: 12px;
    text-transform: uppercase;
}

td small {
    display: block;
    color: #857d72;
    margin-top: 3px;
}

.empty-state {
    padding: 34px 16px;
    color: #776f64;
    text-align: center;
}

.status {
    display: inline-flex;
    min-width: 86px;
    justify-content: center;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.status.pending {
    background: rgba(167, 139, 45, .15);
    color: var(--gold-dark);
}

.status.accepted {
    background: rgba(32, 122, 76, .13);
    color: var(--green);
}

.status.rejected {
    background: rgba(179, 59, 59, .12);
    color: var(--red);
}

.order-form {
    display: grid;
    gap: 18px;
}

.section-heading {
    margin-bottom: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.form-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wide-field {
    grid-column: 1 / -1;
}

.items-table {
    display: grid;
    gap: 10px;
}

.item-row {
    display: grid;
    grid-template-columns: 1.4fr .8fr .9fr .55fr .58fr .9fr .8fr 38px;
    gap: 10px;
    align-items: center;
}

.manual-format .item-row {
    grid-template-columns: minmax(230px, 1.8fr) 82px 82px 92px 138px 84px 138px 138px 120px 38px;
}

.manual-format input {
    min-width: 0;
}

.item-head {
    color: #675f54;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.item-row output {
    white-space: nowrap;
    color: var(--gold-dark);
    font-weight: 900;
}

.icon-button {
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    cursor: pointer;
}

.totals-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
}

.summary-box {
    display: grid;
    gap: 12px;
    align-self: start;
    padding: 18px;
    border-radius: 8px;
    background: var(--charcoal);
    color: #fff;
}

.summary-box div,
.print-total div {
    display: flex;
    justify-content: space-between;
    gap: 18px;
}

.grand-total {
    border-top: 1px solid rgba(255, 255, 255, .18);
    padding-top: 12px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.metrics-grid article {
    padding: 20px;
}

.metrics-grid span {
    color: #696257;
    font-size: 13px;
    font-weight: 800;
}

.metrics-grid strong {
    display: block;
    margin-top: 8px;
    font-size: 28px;
}

.filter-form {
    display: grid;
    grid-template-columns: minmax(210px, 1fr) 160px auto;
    gap: 10px;
}

.sales-create-form {
    align-items: end;
}

.toggle-line,
.table-toggle {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 42px;
    color: #4f4a43;
    font-weight: 850;
}

.toggle-line input,
.table-toggle input {
    width: 18px;
    height: 18px;
    accent-color: var(--gold);
}

.toggle-line span,
.table-toggle span {
    margin: 0;
}

.table-heading {
    padding: 22px 24px 0;
}

.sales-row-form {
    margin: 0;
}

.table-surface input {
    min-width: 130px;
    padding: 9px 10px;
}

.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.admin-actions form {
    display: flex;
    gap: 7px;
}

.reject-form input {
    min-width: 130px;
    height: 34px;
    padding: 7px 9px;
}

.toast-host {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 40;
    display: grid;
    gap: 10px;
}

.toast {
    width: min(360px, calc(100vw - 44px));
    border: 1px solid rgba(167, 139, 45, .35);
    border-radius: 8px;
    background: rgba(23, 24, 26, .94);
    color: #fff;
    padding: 16px;
    box-shadow: var(--shadow);
    animation: toast-in .28s ease;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.print-body {
    background: #d8d2c6;
    padding: 22px;
}

.print-toolbar {
    width: min(1040px, 100%);
    margin: 0 auto 18px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.print-sheet {
    width: 210mm;
    min-height: 297mm;
    margin: 0 auto;
    padding: 18mm;
    background: #fff;
    color: #1c1c1c;
    box-shadow: 0 20px 70px rgba(23, 24, 26, .18);
}

.premium-print {
    width: 297mm;
    min-height: 210mm;
    padding: 14mm;
}

.print-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 26px;
    border-bottom: 3px solid var(--gold);
    padding-bottom: 18px;
}

.print-header img {
    width: 240px;
    height: auto;
}

.print-header h1 {
    margin: 0;
    text-transform: uppercase;
}

.print-hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    border-bottom: 3px solid var(--gold);
    padding-bottom: 18px;
}

.print-hero img {
    width: 235px;
    height: auto;
}

.print-hero p {
    margin: 10px 0 0;
    color: #514d47;
    line-height: 1.45;
}

.print-title-block {
    min-width: 270px;
    border-left: 1px solid #d7d0c3;
    padding-left: 20px;
    text-align: right;
}

.print-title-block span,
.print-info-grid span,
.print-project-line span,
.print-terms span {
    color: var(--gold-dark);
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
}

.print-title-block h1 {
    margin: 8px 0;
    color: var(--charcoal);
    font-size: 22px;
}

.print-info-grid {
    display: grid;
    grid-template-columns: 1.15fr 1.15fr .75fr;
    gap: 12px;
    margin: 18px 0 12px;
}

.print-info-grid div,
.print-project-line,
.print-terms div {
    border: 1px solid #d7d0c3;
    padding: 11px;
}

.print-info-grid strong,
.print-project-line strong {
    display: block;
    margin-top: 5px;
}

.print-info-grid p,
.print-terms p {
    margin: 6px 0 0;
    color: #514d47;
    line-height: 1.45;
}

.print-project-line {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.print-meta {
    display: grid;
    grid-template-columns: 1.25fr 1fr .8fr;
    gap: 14px;
    margin: 24px 0;
}

.print-meta div,
.print-notes,
.signature-grid div {
    border: 1px solid #d7d0c3;
    padding: 12px;
}

.print-meta span,
.signature-grid span {
    display: block;
    color: #655f56;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.print-table {
    min-width: 0;
}

.print-table th,
.print-table td {
    padding: 10px;
    border: 1px solid #d7d0c3;
}

.manual-print-table {
    font-size: 11px;
}

.manual-print-table th,
.manual-print-table td {
    padding: 7px;
}

.manual-print-table td:nth-child(2) {
    min-width: 190px;
}

.manual-print-table small {
    color: #6f685f;
}

.print-lower-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 18px;
    align-items: start;
    margin-top: 18px;
}

.print-terms {
    display: grid;
    gap: 10px;
}

.print-total {
    display: grid;
    gap: 8px;
    width: 330px;
    margin: 18px 0 0 auto;
}

.print-total .grand-total {
    border-top: 2px solid var(--gold);
}

.premium-total {
    width: auto;
    margin: 0;
    border: 1px solid #d7d0c3;
    padding: 12px;
}

.print-notes {
    margin-top: 24px;
}

.signature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 52px;
    text-align: center;
}

.signature-grid strong {
    display: block;
    min-height: 70px;
    padding-top: 48px;
}

@media (max-width: 980px) {
    .auth-page,
    .app-shell,
    .totals-band {
        grid-template-columns: 1fr;
    }

    .login-visual {
        min-height: 44vh;
        padding: 32px;
    }

    .login-panel {
        min-height: auto;
        padding: 32px;
    }

    .side-nav {
        position: static;
        height: auto;
    }

    .form-grid,
    .form-grid.compact,
    .form-grid.two-columns,
    .metrics-grid,
    .print-meta,
    .print-info-grid,
    .print-lower-grid,
    .signature-grid {
        grid-template-columns: 1fr;
    }

    .item-head {
        display: none;
    }

    .item-row {
        grid-template-columns: 1fr 1fr;
        padding: 14px;
        border: 1px solid var(--line);
        border-radius: 8px;
    }

    .manual-format .item-row {
        grid-template-columns: 1fr 1fr;
    }

    .topbar,
    .split-actions,
    .section-heading.inline,
    .form-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .filter-form {
        grid-template-columns: 1fr;
    }
}

@media print {
    body {
        background: #fff;
    }

    .print-toolbar {
        display: none;
    }

    .print-body {
        padding: 0;
    }

    .print-sheet {
        width: auto;
        min-height: auto;
        margin: 0;
        padding: 12mm;
        box-shadow: none;
    }

    @page {
        size: A4 landscape;
        margin: 0;
    }
}