/* === Slider / Rollit — Configurador de Box === */

:root {
  /* Paleta navy + ciano — a mesma do Slider CRM e do vidraz, pra que os três
     produtos tenham a mesma cara. Fonte da verdade: tailwind.config.js do CRM. */
  --navy-900:  #0f172a;
  --navy-700:  #172033;
  --navy-500:  #1e293b;
  --navy-100:  #cdd6e6;
  --navy-50:   #eef3fb;
  --ciano-700: #0e7490;
  --ciano-600: #0891b2;
  --ciano-500: #06b6d4;
  --ciano-400: #67e8f9;
  --ciano-100: #cffafe;
  --ciano-50:  #ecfeff;

  /* Semânticas: navy estrutura e texto, ciano destaca (igual ao CRM) */
  --primary: var(--navy-900);
  --primary-dark: var(--navy-700);
  --primary-light: var(--navy-500);
  --accent: var(--ciano-600);
  --accent-dark: var(--ciano-700);
  --bg: #f6f8fb;          /* canvas */
  --surface: #ffffff;     /* card   */
  --border: #e2e8f0;      /* hair   */
  --text: #0b1e3b;        /* ink    */
  --text-soft: #475569;
  --text-muted: #64748b;  /* muted  */
  --danger: #be123c;
  --success: #0f766e;
  --warn: #b45309;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 14px 38px rgba(15, 23, 42, 0.12);
  --radius: 12px;
  --radius-lg: 16px;
}

/* Gradiente da marca, igual ao do CRM */
.brand-gradient {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--ciano-600) 140%);
}

/* Scrollbar discreta, como no CRM */
* {
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }
*::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

:focus-visible { outline: 2px solid var(--ciano-500); outline-offset: 2px; }

* { box-sizing: border-box; margin: 0; padding: 0; }
table, .tabular { font-variant-numeric: tabular-nums; }

html, body {
  height: 100%;
  font-family: 'Geist', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

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

/* === Layout === */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

/* === Header === */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  /* fiozinho do gradiente da marca, a assinatura visual do CRM */
  box-shadow: inset 0 -3px 0 0 transparent;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}

.app-header::after {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--navy-900) 0%, var(--navy-700) 45%, var(--ciano-500) 100%);
}

.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logos {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.brand-logos img.logo-slider { height: 30px; width: auto; }

.brand-tagline {
  font-size: 12px;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 12px;
  line-height: 1.3;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-soft);
}

.user-chip strong { color: var(--text); }

.btn-link {
  background: none;
  border: 0;
  color: var(--primary);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 6px;
}
.btn-link:hover { background: var(--ciano-50); }

/* === Login / Cadastro === */
.auth-shell {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #eef3f8 0%, #f7f9fc 100%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.auth-card-header {
  padding: 28px 28px 12px;
  text-align: center;
}

.auth-card-header img.logo-slider { height: 42px; margin-bottom: 4px; }
.auth-card-header .stack { display: flex; flex-direction: column; align-items: center; gap: 6px; margin-bottom: 18px; }

.auth-card-header h1 {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 4px;
}

.auth-card-header p {
  font-size: 13px;
  color: var(--text-soft);
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-top: 4px;
}

.auth-tab {
  flex: 1;
  background: none;
  border: 0;
  padding: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  border-bottom: 2px solid transparent;
}

.auth-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.auth-form { padding: 24px 28px 28px; }

.field { margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}

.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.18);
}

.field-error { color: var(--danger); font-size: 12px; margin-top: 4px; min-height: 14px; }
/* Mensagem de sucesso (ex: link de nova senha enviado) */
.field-ok { color: var(--ciano-700); font-size: 12px; margin-top: 4px; min-height: 14px; line-height: 1.4; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: var(--text-muted); cursor: not-allowed; }

.btn-secondary { background: var(--surface); color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: var(--ciano-50); }

.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-block { width: 100%; }
.btn-lg { padding: 14px 24px; font-size: 15px; }

/* === Home — galeria de sistemas === */
.section-header { margin-bottom: 24px; }
.section-header h1 { font-size: 24px; color: var(--text); margin-bottom: 4px; }
.section-header p { color: var(--text-soft); font-size: 14px; }

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.system-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 0;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.system-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--ciano-500);
}

.system-card.disabled { opacity: 0.55; cursor: not-allowed; }
.system-card.disabled:hover { transform: none; box-shadow: none; border-color: var(--border); }

.system-card-image {
  background: var(--bg);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.system-card-image svg { width: 70%; height: 70%; }
.system-card-image img { width: 100%; height: 100%; object-fit: contain; display: block; }

.system-card-body { padding: 16px; flex: 1; }
.system-card-body h3 { font-size: 16px; margin-bottom: 4px; }
.system-card-body p { font-size: 13px; color: var(--text-soft); }

.system-card-tag {
  display: inline-block;
  background: var(--bg);
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  letter-spacing: 0.4px;
}

.system-card-tag.live { background: var(--ciano-50); color: var(--ciano-700); border: 1px solid var(--ciano-100); }
.system-card-tag.soon { background: var(--navy-50); color: var(--text-muted); border: 1px solid var(--navy-100); }

/* === Configurador === */
.config-wrap {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 980px) {
  .config-wrap { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 600px) {
  .container { padding: 12px; }
  .app-header-inner { padding: 8px 12px; }
  .brand-tagline { display: none; }
  .config-form, .config-preview { padding: 14px; }
  .field-row { grid-template-columns: 1fr; }
  .color-grid { grid-template-columns: repeat(4, 1fr); }
}

.config-form, .config-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

/* Preview do projeto fica STICKY — acompanha o scroll quando o cliente edita os campos */
.config-preview {
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}
@media (max-width: 980px) {
  /* Em telas pequenas (1 coluna), volta ao comportamento normal — preview embaixo do form */
  .config-preview { position: static; max-height: none; overflow: visible; }
}

.config-form h2 { font-size: 16px; margin-bottom: 14px; color: var(--text); }
.config-section { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px dashed var(--border); }
.config-section:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.config-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--primary);
  margin-bottom: 10px;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.color-chip {
  aspect-ratio: 1;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 4px;
  transition: transform 0.15s, border-color 0.15s;
}

.color-chip:hover { transform: scale(1.05); }
.color-chip.active { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.25); }
.color-chip span {
  font-size: 9px;
  background: rgba(255,255,255,0.85);
  color: var(--text);
  padding: 1px 4px;
  border-radius: 3px;
  text-align: center;
  line-height: 1.2;
  font-weight: 600;
}

.radio-group { display: flex; gap: 8px; flex-wrap: wrap; }
.radio-group label {
  flex: 1;
  min-width: 90px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  transition: all 0.15s;
}
.radio-group input[type="radio"] { display: none; }
.radio-group label:hover { border-color: var(--primary-light); }
.radio-group input[type="radio"]:checked + label,
.radio-group label.checked {
  border-color: var(--primary);
  background: var(--ciano-50);
  color: var(--primary);
}

/* === Preview / desenho === */
.preview-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.preview-tab {
  background: none;
  border: 0;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.preview-tab.active { color: var(--primary); border-bottom-color: var(--accent); }
.preview-tab:hover { color: var(--text-soft); }
.preview-tabs-actions { margin-left: auto; padding-bottom: 4px; }
.preview-tabs-actions .btn-link {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border-radius: 6px;
  padding: 6px 12px;
}
.preview-tabs-actions .btn-link:hover { background: var(--accent-dark); }

.preview-canvas {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
}

.preview-canvas svg {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

@media (max-width: 600px) {
  .preview-canvas { min-height: 380px; padding: 8px; }
}

.kit-list { font-size: 13px; }
.kit-list table { width: 100%; border-collapse: collapse; }
.kit-list th, .kit-list td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); }
.kit-list th { font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 600; }
.kit-list td.qty { width: 50px; font-weight: 700; color: var(--primary); }
.kit-list td.spec { color: var(--text-soft); font-size: 12px; }

.alerts { margin-top: 12px; }
.alert {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 8px;
}
.alert-error { background: rgba(192, 57, 43, 0.08); color: var(--danger); border-left: 3px solid var(--danger); }
.alert-warn { background: rgba(212, 160, 23, 0.10); color: #8a6810; border-left: 3px solid var(--warn); }
.alert-info { background: var(--ciano-50); color: var(--primary-dark); border-left: 3px solid var(--primary); }

.action-bar {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* === Modal === */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 30, 50, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.modal-backdrop.show { display: flex; }

.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header { padding: 20px 24px 12px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.modal-header h2 { font-size: 18px; }
.modal-body { padding: 20px 24px; flex: 1; overflow-y: auto; min-height: 0; }
.modal-footer { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; flex-shrink: 0; background: var(--surface); }


/* === Lista de recortes === */
.recortes-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.recortes-list:empty::before {
  content: "Nenhum furo ou recorte adicional.";
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}
.recorte-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg);
  border-radius: 8px;
  font-size: 13px;
  border: 1px solid var(--border);
}
.recorte-item .rec-icon {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.recorte-item .rec-desc { flex: 1; }
.recorte-item .rec-desc strong { color: var(--text); }
.recorte-item .rec-desc small { color: var(--text-soft); display: block; font-size: 11px; }
.recorte-item button {
  background: none;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: 6px;
}
.recorte-item button:hover { background: rgba(192, 57, 43, 0.1); color: var(--danger); }

/* === Utility === */
.muted { color: var(--text-muted); font-size: 12px; }
.hidden { display: none !important; }
.spacer-sm { height: 8px; }
.spacer { height: 16px; }
.text-center { text-align: center; }

/* === Configurador em tela cheia ===
   O resto do site cabe em 1100px, mas aqui o que o cliente precisa enxergar é o
   desenho — então a página do configurador usa a largura toda da janela. */
.container-config {
  max-width: none;
  padding: 16px 22px;
}

/* Botão que recolhe o formulário e entrega a tela inteira ao desenho */
.config-wrap.sem-form { grid-template-columns: 1fr; }
.config-wrap.sem-form .config-form { display: none; }

.btn-toggle-form {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-soft);
  border-radius: 6px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-left: 12px;
  white-space: nowrap;
}
.btn-toggle-form:hover { background: var(--bg); color: var(--text); border-color: var(--primary); }

@media (max-width: 980px) {
  .container-config { padding: 12px; }
  .btn-toggle-form { display: none; }   /* em 1 coluna não faz sentido esconder o form */
}

/* ==========================================================================
   Coluna de configuração no tom da sidebar do CRM — navy no topo descendo
   pro petróleo, texto claro. Os campos de digitar continuam claros de
   propósito: é onde a vidraçaria digita medida, e número em fundo escuro
   cansa a vista.
   ========================================================================== */
.config-form {
  background: linear-gradient(170deg, var(--navy-900) 0%, var(--navy-700) 45%, #155e75 100%);
  border-color: var(--navy-900);
  color: #cbd5e1;
}

.config-form h2 { color: #fff; }
.config-form .config-section { border-bottom-color: rgba(255, 255, 255, 0.10); }
.config-form .config-section-title { color: #94a3b8; }
.config-form .field label { color: #cbd5e1; }
.config-form .muted,
.config-form .muted strong { color: #94a3b8; }
.config-form strong { color: #e2e8f0; }
.config-form .field-error { color: #fda4af; }

/* Campos: fundo claro, foco em ciano */
.config-form .field input,
.config-form .field select,
.config-form .field textarea {
  background: #fff;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.22);
}
.config-form .field input:focus,
.config-form .field select:focus,
.config-form .field textarea:focus {
  border-color: var(--ciano-400);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.30);
}
.config-form .field input::placeholder,
.config-form .field textarea::placeholder { color: #94a3b8; }

/* Botões de escolha (lado, espessura…) */
.config-form .radio-group label {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
  color: #cbd5e1;
}
.config-form .radio-group label:hover { border-color: var(--ciano-500); color: #fff; }
.config-form .radio-group input[type="radio"]:checked + label,
.config-form .radio-group label.checked {
  background: var(--ciano-600);
  border-color: var(--ciano-500);
  color: #fff;
}

.config-form .color-chip { border-color: rgba(255, 255, 255, 0.25); }
.config-form .color-chip.active {
  border-color: var(--ciano-400);
  box-shadow: 0 0 0 2px rgba(103, 232, 249, 0.45);
}
.config-form .color-chip span { color: #cbd5e1; }

/* Avisos ficam legíveis no escuro */
.config-form .alert-error { background: rgba(190, 18, 60, 0.22); color: #fecdd3; border-left-color: #fb7185; }
.config-form .alert-warn  { background: rgba(245, 158, 11, 0.18); color: #fde68a; border-left-color: #fbbf24; }
.config-form .alert-info  { background: rgba(6, 182, 212, 0.18); color: #a5f3fc; border-left-color: var(--ciano-500); }

/* O botão de enviar: no escuro o navy some, então vai de ciano */
.config-form .btn-primary { background: var(--ciano-600); border-color: var(--ciano-600); }
.config-form .btn-primary:hover { background: var(--ciano-700); border-color: var(--ciano-700); }
.config-form .btn-primary:disabled { background: rgba(255, 255, 255, 0.14); color: #94a3b8; border-color: transparent; }
.config-form .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.22);
}
.config-form .btn-secondary:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }

.config-form .recortes-list { color: #cbd5e1; }
.config-form .recortes-list:empty::before { color: #94a3b8; }
.config-form a { color: var(--ciano-400); }

/* Checkbox dentro do formulário escuro */
.config-form input[type="checkbox"] { accent-color: var(--ciano-500); }
.config-form .field > label[for] { color: #e2e8f0; }

/* ==========================================================================
   Configurador em tela cheia (.page-app)
   O desenho é o produto. Antes a página inteira rolava e o box não cabia na
   tela — a vidraçaria tinha que rolar pra ver o pé do vidro. Agora a janela é
   o limite: a coluna escura rola por dentro e o desenho se encolhe pra caber
   inteiro, sempre.
   ========================================================================== */
.page-app { height: 100vh; min-height: 0; overflow: hidden; }

/* O resto do site cabe em 1100px; aqui o cabeçalho acompanha as colunas. */
.page-app .app-header-inner { max-width: none; padding: 10px 22px; }

.page-app .container-config {
  flex: 1;
  min-height: 0;
  padding: 14px 22px 16px;
  overflow: hidden;
}

.page-app .config-wrap { height: 100%; align-items: stretch; gap: 18px; }

/* Coluna escura: rola por dentro, sem levar a página junto */
.page-app .config-form {
  max-height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.page-app .config-preview {
  position: static;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-app .preview-canvas {
  flex: 1;
  min-height: 0;
  overflow: auto;
  align-items: safe center;
  justify-content: safe center;
}

/* Deixa o SVG caber na altura disponível, e não só na largura */
.page-app .preview-canvas svg {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  margin: auto;
}

/* A lista do kit é tabela: quer a largura toda, não quer ser centralizada */
.page-app .preview-canvas .kit-list { width: 100%; align-self: flex-start; margin: 0; }

.page-app .preview-rodape { flex-shrink: 0; }

@media (max-width: 980px) {
  /* Em 1 coluna volta a rolar normal — tela estreita não comporta tela cheia */
  .page-app { height: auto; overflow: visible; }
  .page-app .container-config { overflow: visible; }
  .page-app .config-form,
  .page-app .config-preview { max-height: none; overflow: visible; }
  .page-app .preview-canvas { min-height: 380px; overflow: auto; }
  .page-app .preview-canvas svg { width: 100%; height: auto; max-height: none; }
}

/* === Abas viram controle segmentado, no tom da coluna escura === */
.preview-tabs {
  border-bottom: 0;
  gap: 6px;
  margin-bottom: 12px;
  flex-shrink: 0;
}
.preview-tab {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 0;
  transition: background 0.15s, color 0.15s;
}
.preview-tab:hover { background: var(--navy-50); color: var(--text); }
.preview-tab.active {
  background: var(--navy-900);
  color: #fff;
  border-color: var(--navy-900);
  border-bottom-color: var(--navy-900);
}

.preview-tabs-actions .btn-link {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--ciano-600) 100%);
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.preview-tabs-actions .btn-link:hover { filter: brightness(1.12); background: linear-gradient(135deg, var(--navy-900) 0%, var(--ciano-600) 100%); }

.btn-toggle-form { border-radius: 999px; padding: 6px 13px; }

/* === Amostras de cor: o nome ganha uma tarja, senão some no claro e no escuro === */
.color-chip { aspect-ratio: 1.1; padding: 0; overflow: hidden; border-radius: 9px; }
.color-chip span {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-size: 9.5px;
  letter-spacing: 0.1px;
  padding: 3px 2px;
  border-radius: 0;
}

/* === Coluna escura um pouco mais compacta, pra caber mais campo na tela === */
.page-app .config-form { padding: 18px 18px 22px; }
.page-app .config-form .config-section { margin-bottom: 16px; padding-bottom: 14px; }

/* === A área do desenho vira prancheta: papel quadriculado e a folha por cima ===
   Numa tela larga o desenho de um box (alto e estreito) nunca ocupa a largura
   toda. Em vez de sobrar branco solto dos dois lados, o fundo vira malha de
   prancheta e o SVG ganha cara de folha apoiada nela. */
.page-app .preview-canvas {
  background:
    linear-gradient(0deg,  rgba(100, 116, 139, 0.11) 1px, transparent 1px) 0 0 / 26px 26px,
    linear-gradient(90deg, rgba(100, 116, 139, 0.11) 1px, transparent 1px) 0 0 / 26px 26px,
    var(--navy-50);
  border-color: var(--navy-100);
  padding: 22px;
}
.page-app .preview-canvas svg {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.11), 0 0 0 1px rgba(15, 23, 42, 0.07);
}

/* A tabela do kit também é "folha" — não pode ficar solta sobre o quadriculado */
.page-app .preview-canvas .kit-list {
  background: var(--surface);
  border-radius: 8px;
  padding: 6px 14px;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.11), 0 0 0 1px rgba(15, 23, 42, 0.07);
}

/* Aviso legal: é rodapé, não pode competir com o desenho */
.page-app .config-preview > .muted {
  color: var(--text-muted);
  font-weight: 400;
  flex-shrink: 0;
  margin-top: 10px !important;
}

/* Marca com um pouco mais de ar à esquerda */
.page-app .brand { padding-left: 2px; }

/* Rótulo de aba não quebra no meio da palavra quando a janela aperta */
.preview-tabs { flex-wrap: wrap; }
.preview-tab,
.preview-tabs-actions .btn-link,
.btn-toggle-form { white-space: nowrap; }

/* Barra de rolagem da coluna escura no tom dela */
.page-app .config-form { scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.24) transparent; }
.page-app .config-form::-webkit-scrollbar { width: 9px; }
.page-app .config-form::-webkit-scrollbar-track { background: transparent; }
.page-app .config-form::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 9px;
  border: 2px solid transparent;
  background-clip: content-box;
}
.page-app .config-form::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.32); background-clip: content-box; }

/* Campos escondidos = modo apresentação: a prancheta ocupa a tela toda e o
   desenho continua inteiro, sem rolagem. Não ampliamos de propósito — ampliar
   obrigaria a rolar, e aí o cliente perde a visão do projeto completo. */
.page-app .config-wrap.sem-form .preview-canvas { padding: 30px; }

/* Amostra de cor não precisa crescer: em coluna única virava um bloco enorme */
.color-grid { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); max-width: 400px; }

/* A home também é tela de trabalho: em monitor largo os 4 modelos de correr
   cabem numa linha só, em vez de sobrar um sozinho embaixo. */
.container { max-width: 1340px; }