:root {
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-border: #e2e5ea;
  --color-text: #1c2230;
  --color-text-muted: #616a7a;
  --color-navy: #102a41;
  --color-navy-light: #1c3f5e;
  --color-primary: #285c44;
  --color-primary-dark: #1c4432;
  --color-primary-light: #eaf3ee;
  --color-primary-contrast: #ffffff;
  --color-danger: #b3261e;
  --color-danger-bg: #fdecea;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; margin: 1.2em 0 0.5em; }
h1 { font-size: 1.75rem; margin-top: 0.4em; }
h2 { font-size: 1.2rem; color: var(--color-text); }
h3 { font-size: 1rem; }

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand img.brand-icon { height: 34px; width: auto; display: block; }
.brand .brand-word > span { color: var(--color-primary); }
.brand small { font-size: 0.62rem; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--color-text-muted); font-weight: 500; font-size: 0.92rem; }
.site-nav a:hover { color: var(--color-primary); text-decoration: none; }
.site-nav a.nav-cta {
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
}
.site-nav a.nav-cta:hover { background: var(--color-primary-dark); color: #fff; }
.site-header.admin { border-bottom: 2px solid var(--color-primary); }

.site-footer {
  margin-top: 60px;
  padding: 24px 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
}

/* Hero / public */
.hero-section {
  background: linear-gradient(135deg, #f7f5f1 0%, #eef4f0 55%, #e4efe8 100%);
  border-bottom: 1px solid var(--color-border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  padding: 56px 0;
}
.hero-eyebrow {
  display: inline-block;
  color: var(--color-primary-dark);
  background: rgba(40, 92, 68, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero-content h1 {
  font-size: 2.4rem;
  color: var(--color-navy);
  margin: 0 0 14px;
  line-height: 1.15;
}
.hero-content p.lead {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 0 26px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn { padding: 12px 22px; font-size: 0.95rem; }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual-card {
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(16, 42, 65, 0.16), 0 2px 8px rgba(16,42,65,0.08);
  padding: 40px 36px;
  max-width: 440px;
  width: 100%;
}
.hero-visual-card img { width: 100%; height: auto; display: block; }

.features-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 36px 0;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.feature-card .feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.feature-card h3 { margin: 0 0 4px; font-size: 0.95rem; color: var(--color-navy); }
.feature-card p { margin: 0; font-size: 0.85rem; color: var(--color-text-muted); }

.section-heading { margin-top: 44px; }
.section-heading h2 { color: var(--color-navy); margin-bottom: 2px; }
.section-heading p { color: var(--color-text-muted); margin: 0; font-size: 0.92rem; }

@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; padding: 36px 0; }
  .hero-visual { order: -1; }
  .hero-content h1 { font-size: 1.9rem; }
  .features-strip { grid-template-columns: 1fr; }
}

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 28px; }
.chip {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.88rem;
}
.chip:hover { text-decoration: none; border-color: var(--color-primary); }
.chip-active { background: var(--color-primary); color: var(--color-primary-contrast); border-color: var(--color-primary); }

.ads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.ad-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.ad-card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(16,24,40,0.12); }
.ad-card-image { aspect-ratio: 4 / 3; background: #eef1f4; }
.ad-card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ad-card-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-weight: 600;
  background: linear-gradient(135deg, #e9f5f2, #eef1f4);
}
.ad-card-placeholder.large { aspect-ratio: 4/3; border-radius: var(--radius); font-size: 1.4rem; }
.ad-card-body { padding: 14px 16px; }
.ad-card-body h3 { margin: 4px 0; font-size: 1.02rem; }
.ad-meta { color: var(--color-text-muted); font-size: 0.85rem; margin: 4px 0; }
.ad-price { font-weight: 700; color: var(--color-primary-dark); margin: 6px 0 0; }
.ad-price.large { font-size: 1.4rem; }

.tag {
  display: inline-block;
  background: #e9f5f2;
  color: var(--color-primary-dark);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.back-link { display: inline-block; margin: 20px 0; font-size: 0.9rem; }

.ad-detail { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; margin-bottom: 60px; }
.ad-detail-gallery img { width: 100%; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid var(--color-border); }
.ad-description { white-space: pre-line; color: var(--color-text); }
.cta-box {
  margin-top: 24px; padding: 16px 18px;
  background: #e9f5f2; border-radius: var(--radius);
  border: 1px solid #cfe8e1;
}
.cta-box p { margin: 4px 0; }
.cta-box p:first-child { font-weight: 700; }

@media (max-width: 720px) {
  .ad-detail { grid-template-columns: 1fr; }
}

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 80vh; }
.login-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
  text-align: center;
}
.login-box h1 { font-size: 1.3rem; }
.login-box .form { text-align: left; margin-top: 16px; }

/* Forms */
.form { max-width: 780px; }
.form label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 14px 0 6px;
}
.form input[type="text"], .form input[type="email"], .form input[type="password"],
.form input[type="number"], .form select, .form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form input[type="text"]:focus, .form input[type="email"]:focus, .form input[type="password"]:focus,
.form input[type="number"]:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(40, 92, 68, 0.14);
}
.form textarea { resize: vertical; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0 20px;
}
.form-actions { margin: 28px 0 60px; display: flex; gap: 12px; }

/* Form card + sections (cadastro de oferta, fornecedor, anuncio) */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 4px 18px rgba(16, 42, 65, 0.06);
  padding: 8px 32px 32px;
  max-width: 860px;
  margin-top: 22px;
}
.form-section {
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}
.form-section:last-of-type { border-bottom: none; padding-bottom: 4px; }
.form-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
}
.form-section-header .form-section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  flex-shrink: 0;
}
.form-section-header h2 {
  margin: 0;
  font-size: 1.02rem;
  color: var(--color-navy);
}
.form-section-hint { margin: 0 0 0 40px; color: var(--color-text-muted); font-size: 0.82rem; }
.form-section .form-grid,
.form-section > label,
.form-section > .existing-media { margin-left: 40px; width: calc(100% - 40px); }
@media (max-width: 640px) {
  .form-card { padding: 8px 18px 24px; }
  .form-section .form-grid, .form-section > label, .form-section > .existing-media { margin-left: 0; width: 100%; }
}

/* Upload de arquivos com visual de dropzone */
.file-drop {
  display: block;
  border: 1.5px dashed var(--color-border);
  border-radius: 10px;
  padding: 18px 16px;
  text-align: center;
  background: #fafbfc;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.file-drop:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.file-drop input[type="file"] {
  width: 100%;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  padding: 0;
}
.file-drop .file-drop-icon { font-size: 1.3rem; margin-bottom: 4px; display: block; color: var(--color-primary-dark); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: var(--color-primary); }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-contrast); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-danger { background: var(--color-danger-bg); border-color: #f3c6c2; color: var(--color-danger); }
.btn-small { padding: 4px 10px; font-size: 0.75rem; }
.link-button {
  background: none; border: none; padding: 0; color: var(--color-text-muted);
  font-size: 0.85rem; cursor: pointer; text-decoration: underline;
}
.link-button.danger { color: var(--color-danger); }
.inline-form { display: inline; }

/* Admin */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  margin-top: 20px;
}
.page-header .row-actions { display: flex; gap: 8px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 20px 0 28px;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-number { display: block; font-size: 1.8rem; font-weight: 700; color: var(--color-primary-dark); }
.stat-label { font-size: 0.8rem; color: var(--color-text-muted); }

.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 50px; }
@media (max-width: 720px) { .two-col { grid-template-columns: 1fr; } }

.simple-list { list-style: none; padding: 0; margin: 0; }
.simple-list li {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}

.search-form { display: flex; gap: 8px; margin: 16px 0 20px; max-width: 480px; }
.search-form input { flex: 1; padding: 9px 12px; border: 1px solid var(--color-border); border-radius: 8px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
  font-size: 0.92rem;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}
.data-table th { background: #fafbfc; color: var(--color-text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
.data-table tr:last-child td { border-bottom: none; }
.row-actions { display: flex; gap: 10px; font-size: 0.85rem; }

.spec-table { border-collapse: collapse; margin: 16px 0; width: 100%; max-width: 640px; }
.spec-table th, .spec-table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--color-border); font-size: 0.92rem; }
.spec-table th { width: 220px; color: var(--color-text-muted); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: #eef1f4;
  color: var(--color-text-muted);
}
.badge-ativa, .badge-publicado { background: #e6f4ea; color: #1e7a34; }
.badge-reservada, .badge-rascunho { background: #fff4e5; color: #9a6700; }
.badge-encerrada, .badge-pausado { background: #f1f1f3; color: #5c6270; }

.thumb-grid { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0 20px; }
.thumb { position: relative; width: 140px; }
.thumb img { width: 140px; height: 105px; object-fit: cover; border-radius: 8px; border: 1px solid var(--color-border); display: block; }
.thumb form { margin-top: 4px; }

.existing-media { margin-top: 20px; }

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid #f3c6c2;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.empty-state { color: var(--color-text-muted); padding: 30px 0; text-align: center; }

.cnpj-lookup-row { display: flex; gap: 8px; align-items: center; }
.cnpj-lookup-row input { flex: 1; }
.cnpj-lookup-row .btn { white-space: nowrap; }
.cnpj-lookup-status { display: block; margin-top: 4px; font-size: 0.8rem; color: var(--color-muted, #666); }
.cnpj-lookup-status-error { color: var(--color-danger); }