:root {
    --ink: #171717;
    --paper: #f4f2ed;
    --white: #fff;
    --muted: #6d6a64;
    --line: #d6d2c9;
    --orange: #ea5b2a;
    --soft-orange: #fff0e9;
    --radius: 12px;
    --font: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

/* Login */
.login-page { display: grid; min-height: 100vh; place-items: center; padding: 24px; background: var(--ink); }
.login-panel { width: min(440px, 100%); border-radius: var(--radius); padding: clamp(28px, 6vw, 54px); background: var(--white); }
.login-logo { width: 190px; height: auto; margin-bottom: 52px; }
.login-panel h1 { margin: 0 0 30px; font-size: clamp(2.4rem, 8vw, 4rem); letter-spacing: -.06em; line-height: .9; }
.login-form label { display: block; margin-bottom: 7px; font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.login-form input { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 14px; background: var(--paper); font-size: 1.1rem; }
.login-form button { width: 100%; margin-top: 12px; border: 0; border-radius: 8px; padding: 14px; color: white; background: var(--ink); font-weight: 800; cursor: pointer; }
.login-form button:hover { background: var(--orange); }
.form-error { margin: 12px 0 0; color: #b32e16; font-size: .86rem; font-weight: 700; }

/* Shared header */
.site-header { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #303030; padding: 14px clamp(18px, 4vw, 58px); color: white; background: var(--ink); }
.site-header img { width: 154px; height: auto; }
.site-header nav { display: flex; align-items: center; gap: 8px; }
.site-header nav a, .site-header nav button { border: 1px solid #555; border-radius: 7px; padding: 9px 12px; color: white; background: transparent; cursor: pointer; font-size: .76rem; font-weight: 800; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; }
.site-header nav a:hover, .site-header nav button:hover { border-color: var(--orange); background: var(--orange); }
.site-header form { margin: 0; }

/* Catalogue */
.catalogue-shell { width: min(1500px, 100%); margin: 0 auto; padding: clamp(28px, 4vw, 54px) clamp(14px, 3vw, 44px) 90px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 32px; }
.page-heading p { margin: 0 0 8px; color: var(--muted); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.page-heading h1 { margin: 0; font-size: clamp(2.8rem, 5vw, 4.8rem); letter-spacing: -.065em; line-height: .85; }
.page-heading strong { padding-bottom: 3px; color: var(--muted); font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; }

.catalogue-tools { position: sticky; z-index: 5; top: 10px; display: grid; grid-template-columns: minmax(340px, .8fr) minmax(0, 1.2fr); align-items: start; gap: 14px; margin-bottom: 22px; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; background: rgba(255,255,255,.94); box-shadow: 0 8px 28px rgba(0,0,0,.08); backdrop-filter: blur(12px); }
.search-field { display: flex; min-width: 0; align-items: center; gap: 12px; }
.search-field span { padding-left: 5px; font-size: .71rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.search-field input { width: 100%; border: 1px solid var(--line); border-radius: 7px; padding: 11px 12px; background: var(--paper); outline: 0; }
.category-filters { display: flex; flex-wrap: wrap; gap: 4px; }
.category-filters::-webkit-scrollbar { display: none; }
.filter-button { flex: none; border: 1px solid transparent; border-radius: 7px; padding: 8px 9px; color: var(--muted); background: transparent; cursor: pointer; font-size: .66rem; font-weight: 800; text-transform: uppercase; }
.filter-button:hover { border-color: var(--line); color: var(--ink); }
.filter-button[aria-pressed="true"] { color: white; background: var(--ink); }

.bike-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.bike-card { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.bike-card > img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: #e9e7e1; cursor: zoom-in; }
.card-body { padding: 16px; }
.card-heading { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 15px; }
.record-number { color: var(--orange); font-size: .84rem; font-weight: 900; letter-spacing: .05em; }
.card-heading h2 { margin: 0; font-size: clamp(1.65rem, 2.6vw, 2.6rem); letter-spacing: -.055em; line-height: .9; text-transform: uppercase; }
.card-category { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.card-data, .data-list { display: grid; grid-template-columns: max-content 1fr; gap: 7px 14px; margin: 17px 0 0; }
.card-data dt, .data-list dt { color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.card-data dd, .data-list dd { margin: 0; font-size: .84rem; }
.card-tags { display: flex; min-height: 28px; flex-wrap: wrap; gap: 5px; margin-top: 15px; }
.card-tags span { border-radius: 999px; padding: 6px 9px; color: #6a351f; background: var(--soft-orange); font-size: .68rem; font-weight: 700; }
.card-actions { display: flex; gap: 8px; margin-top: 18px; }
.card-actions button, .card-actions a, .dialog-actions a, .admin-actions a, .admin-actions button, .print-actions a, .print-actions button { border: 1px solid var(--ink); border-radius: 7px; padding: 10px 13px; color: var(--ink); background: white; cursor: pointer; font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; }
.card-actions button:hover, .card-actions a:hover, .dialog-actions a:hover, .admin-actions a:hover, .admin-actions button:hover, .print-actions a:hover, .print-actions button:hover { color: white; background: var(--ink); }
.card-actions a { border-color: var(--orange); color: #9a3210; }
.empty-state { border: 1px dashed var(--line); border-radius: var(--radius); padding: 70px 20px; text-align: center; }
.empty-state button { border: 0; border-radius: 7px; padding: 10px 14px; color: white; background: var(--ink); cursor: pointer; }

/* Detail dialog */
.bike-dialog { width: min(1180px, calc(100vw - 30px)); max-height: calc(100vh - 30px); border: 0; border-radius: var(--radius); padding: 0; overflow: hidden; background: var(--white); box-shadow: 0 20px 70px rgba(0,0,0,.28); }
.bike-dialog::backdrop { background: rgba(0,0,0,.72); }
.dialog-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr); }
.dialog-layout > img { width: 100%; height: 100%; min-height: 600px; object-fit: contain; background: #e9e7e1; cursor: zoom-in; }
.dialog-content { padding: clamp(32px, 5vw, 64px); overflow-y: auto; }
.dialog-content h2 { margin: 8px 0 30px; font-size: clamp(3rem, 6vw, 6rem); letter-spacing: -.07em; line-height: .82; text-transform: uppercase; }
.dialog-content .data-list { border-top: 1px solid var(--line); padding-top: 22px; }
.dialog-accessories { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 20px; }
.dialog-accessories h3 { margin: 0 0 10px; font-size: .72rem; letter-spacing: .07em; text-transform: uppercase; }
.dialog-accessories ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.dialog-accessories li { border-radius: 999px; padding: 6px 9px; background: var(--soft-orange); font-size: .74rem; }
.dialog-accessories p { color: var(--muted); font-size: .88rem; line-height: 1.5; }
.dialog-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.dialog-close { position: absolute; z-index: 2; top: 14px; right: 14px; display: grid; width: 40px; height: 40px; place-items: center; border: 0; border-radius: 50%; color: white; background: rgba(0,0,0,.72); cursor: pointer; font-size: 1.5rem; }
.dialog-close:hover { background: var(--orange); }

/* Image viewer */
.image-viewer { width: min(1500px, 96vw); height: 94vh; border: 0; border-radius: var(--radius); padding: 0; overflow: hidden; color: white; background: #111; box-shadow: 0 20px 80px rgba(0,0,0,.55); }
.image-viewer::backdrop { background: rgba(0,0,0,.88); }
.image-viewer-toolbar { display: flex; min-height: 58px; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #333; padding: 10px 14px 10px 20px; }
.image-viewer-toolbar strong { font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; }
.image-viewer-controls { display: flex; align-items: center; gap: 7px; }
.image-viewer-controls button { border: 1px solid #555; border-radius: 7px; padding: 8px 11px; color: white; background: #222; cursor: pointer; font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.image-viewer-controls button:hover:not(:disabled) { border-color: var(--orange); background: var(--orange); }
.image-viewer-controls button:disabled { opacity: .35; cursor: default; }
.image-viewer-controls button[aria-label="Reduzir"], .image-viewer-controls button[aria-label="Ampliar"] { min-width: 36px; font-size: 1.15rem; line-height: 1; }
.image-viewer-controls span { min-width: 52px; color: #bbb; font-size: .72rem; font-weight: 800; text-align: center; }
.image-viewer-viewport { height: calc(94vh - 58px); overflow: auto; padding: 12px; background: #0a0a0a; }
.image-viewer-canvas { margin: 0 auto; transition: width .16s ease, height .16s ease; }
.image-viewer-canvas img { width: 100%; height: 100%; max-width: none; object-fit: contain; cursor: zoom-in; }

/* Backoffice */
.admin-shell { display: grid; min-height: calc(100vh - 78px); grid-template-columns: 280px minmax(0, 1fr); }
.admin-sidebar { border-right: 1px solid var(--line); padding: 24px 14px; background: #ebe8e1; }
.admin-sidebar h1 { margin: 0 8px 18px; font-size: 1.45rem; }
.admin-list { display: grid; gap: 4px; }
.admin-list a { display: grid; grid-template-columns: 38px 1fr; gap: 8px; border-radius: 7px; padding: 9px; text-decoration: none; }
.admin-list a:hover, .admin-list a[aria-current="page"] { background: white; }
.admin-list span { color: var(--orange); font-size: .72rem; font-weight: 900; }
.admin-list strong { font-size: .82rem; }
.admin-main { padding: clamp(24px, 5vw, 68px); }
.admin-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.admin-heading p { margin: 0 0 5px; color: var(--muted); font-size: .74rem; font-weight: 800; text-transform: uppercase; }
.admin-heading h2 { margin: 0; font-size: clamp(2.8rem, 7vw, 6rem); letter-spacing: -.07em; line-height: .85; text-transform: uppercase; }
.save-message { border: 1px solid #93b99a; border-radius: 7px; padding: 10px 12px; color: #245c2e; background: #eef9f0; font-size: .82rem; font-weight: 700; }
.admin-layout { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(420px, 1.15fr); gap: 28px; align-items: start; }
.admin-preview { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: white; }
.admin-preview img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: #e9e7e1; }
.admin-preview footer { padding: 14px; }
.admin-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: white; }
.form-field { display: grid; gap: 6px; }
.form-field--wide { grid-column: 1 / -1; }
.form-field label { font-size: .7rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.form-field input, .form-field textarea, .form-field select { width: 100%; border: 1px solid var(--line); border-radius: 7px; padding: 11px; background: var(--paper); }
.form-field textarea { min-height: 90px; resize: vertical; }
.check-field { display: flex; grid-column: 1 / -1; align-items: center; gap: 9px; }
.check-field input { width: 18px; height: 18px; }
.admin-actions { display: flex; grid-column: 1 / -1; gap: 8px; border-top: 1px solid var(--line); padding-top: 18px; }
.admin-actions button { color: white; background: var(--ink); }
.admin-error { grid-column: 1 / -1; border: 1px solid #cf8f81; border-radius: 7px; padding: 10px; color: #8a2410; background: #fff0ed; }

/* Printable sheet */
.print-page { background: #d9d6d0; }
.print-actions { display: flex; width: 190mm; max-width: calc(100% - 24px); justify-content: space-between; gap: 10px; margin: 18px auto; }
.print-actions button { color: white; background: var(--ink); }
.print-sheet { display: flex; width: 210mm; height: 297mm; flex-direction: column; margin: 0 auto 28px; padding: 8mm 10mm 7mm; overflow: hidden; background: white; box-shadow: 0 12px 40px rgba(0,0,0,.18); }
.sheet-header { display: flex; min-height: 18mm; align-items: center; justify-content: space-between; border-bottom: .7mm solid var(--ink); padding-bottom: 3mm; }
.sheet-logo { width: 40mm; height: auto; }
.sheet-id { display: flex; align-items: center; gap: 3mm; }
.sheet-id span { color: var(--muted); font-size: 2.5mm; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.sheet-id strong { border-radius: 2mm; padding: 2mm 3mm; color: white; background: var(--orange); font-size: 8mm; line-height: 1; }
.sheet-title { margin: 4mm 0 3mm; border-left: 1.5mm solid var(--orange); padding: .5mm 0 .5mm 4mm; }
.sheet-title p { margin: 0 0 1.5mm; color: var(--orange); font-size: 2.7mm; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.sheet-title h1 { margin: 0; font-size: 13mm; letter-spacing: -.06em; line-height: .85; text-transform: uppercase; }
.sheet-title span { display: block; margin-top: 2mm; color: var(--muted); font-size: 3mm; font-weight: 700; }
.sheet-photo-frame { display: grid; width: 168mm; aspect-ratio: 4 / 3; place-items: center; margin: 0 auto; border: .3mm solid var(--line); border-radius: 2.5mm; overflow: hidden; background: #efede8; }
.sheet-photo { width: 100%; height: 100%; object-fit: contain; }
.sheet-information { display: grid; grid-template-columns: minmax(0, 1fr) 32mm; gap: 5mm; align-items: start; margin-top: 4mm; }
.sheet-section-title, .sheet-accessories h2, .sheet-notes h2 { margin: 0 0 1.5mm; font-size: 2.6mm; letter-spacing: .08em; text-transform: uppercase; }
.sheet-data { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 4mm; margin: 0; }
.sheet-data > div { min-width: 0; border-bottom: .25mm solid var(--line); padding: 1.2mm 0; }
.sheet-data dt { color: var(--muted); font-size: 2.2mm; font-weight: 800; text-transform: uppercase; }
.sheet-data dd { margin: .6mm 0 0; font-size: 2.9mm; line-height: 1.2; overflow-wrap: anywhere; }
.sheet-accessories { margin-top: 3mm; }
.sheet-accessories ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1mm 4mm; margin: 0; padding: 0; list-style: none; }
.sheet-accessories li { position: relative; padding-left: 3mm; font-size: 2.5mm; line-height: 1.3; }
.sheet-accessories li::before { position: absolute; top: .75mm; left: 0; width: 1.4mm; height: 1.4mm; border-radius: 50%; background: var(--orange); content: ""; }
.sheet-notes { margin-top: 3mm; }
.sheet-notes p { margin: 0; color: #444; font-size: 2.7mm; line-height: 1.35; }
.sheet-qr { border: .3mm solid var(--line); border-radius: 2.5mm; padding: 2.5mm; color: var(--ink); background: #faf9f6; text-align: center; text-decoration: none; }
.sheet-qr img { width: 27mm; height: 27mm; margin: 0 auto; image-rendering: pixelated; }
.sheet-qr strong { display: block; margin-top: 1.5mm; font-size: 2.5mm; letter-spacing: .04em; text-transform: uppercase; }
.sheet-qr span { display: block; margin-top: .8mm; color: var(--muted); font-size: 2.1mm; line-height: 1.25; }
.sheet-footer { display: flex; justify-content: space-between; margin-top: auto; border-top: .25mm solid var(--line); padding-top: 2mm; color: var(--muted); font-size: 2.2mm; letter-spacing: .04em; text-transform: uppercase; }

.noscript-note { position: fixed; right: 15px; bottom: 15px; left: 15px; z-index: 20; padding: 14px; color: white; background: #a32610; text-align: center; }

@media (max-width: 980px) {
    .catalogue-tools { position: static; display: block; }
    .search-field { margin-bottom: 10px; }
    .bike-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dialog-layout { grid-template-columns: 1fr; }
    .dialog-layout > img { min-height: auto; aspect-ratio: 4 / 3; }
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
    .admin-list { display: flex; overflow-x: auto; }
    .admin-list a { flex: none; min-width: 130px; }
    .admin-layout { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
    .site-header { min-height: 66px; padding: 11px 14px; }
    .site-header img { width: 126px; }
    .site-header nav a, .site-header nav button { padding: 8px; font-size: .66rem; }
    .catalogue-shell { padding-top: 34px; }
    .page-heading { display: block; }
    .page-heading strong { display: block; margin-top: 14px; }
    .search-field { display: block; min-width: 0; }
    .search-field span { display: block; margin-bottom: 6px; padding: 0; }
    .card-heading { grid-template-columns: auto 1fr; }
    .card-category { grid-column: 2; }
    .card-data { grid-template-columns: 90px 1fr; }
    .dialog-content { padding: 26px 20px; }
    .dialog-content h2 { font-size: 3.3rem; }
    .admin-main { padding: 24px 14px; }
    .admin-heading { display: block; }
    .save-message { margin-top: 14px; }
    .admin-form { grid-template-columns: 1fr; padding: 18px; }
    .form-field--wide, .check-field, .admin-actions { grid-column: 1; }
    .bike-grid { grid-template-columns: 1fr; }
    .image-viewer-toolbar { align-items: flex-start; }
    .image-viewer-toolbar strong { padding-top: 8px; }
    .image-viewer-controls { flex-wrap: wrap; justify-content: flex-end; }
    .image-viewer-controls #zoom-reset { display: none; }
}

@media print {
    @page { size: A4 portrait; margin: 0; }
    * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .print-page { background: white; }
    .print-actions { display: none; }
    .print-sheet { width: 210mm; height: 297mm; margin: 0; box-shadow: none; break-after: page; }
}