/**
 * DELTA DESIGN SYSTEM (v0.2)
 * Aplicado à Ficha de Avaliação Operacional de Equipamentos - CBMMG/BEMAD
 */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,600;700;800&family=Figtree:wght@400;500;600;700&display=swap');

:root {
  /* ========================================================================
     1. GRID E ESPAÇAMENTO - BASE 12px (Delta 1.1)
     ======================================================================== */
  --space-1: 4px;   /* Padding interno mínimo */
  --space-2: 8px;   /* Gap entre ícone e label */
  --space-3: 12px;  /* Base fundamental */
  --space-4: 16px;  /* Espaçamento entre elementos */
  --space-6: 24px;  /* Padding de seções internas */
  --space-8: 32px;  /* Separação entre blocos */
  --space-12: 48px; /* Margens de layout */
  --space-16: 64px; /* Seções de página */

  /* Touch Target - Lei de Fitts (Delta 3.7) */
  --touch-target-min: 48px;

  /* ========================================================================
     2. TIPOGRAFIA MODULAR - RAZÃO MAJOR THIRD (1.250) (Delta 1.2)
     ======================================================================== */
  --font-display: 'Bricolage Grotesque', -apple-system, sans-serif;
  --font-body: 'Figtree', -apple-system, sans-serif;

  --text-xs: 13px;   /* Captions, metadados */
  --text-sm: 14px;   /* Texto auxiliar */
  --text-base: 16px; /* Corpo padrão */
  --text-lg: 20px;   /* Subtítulos */
  --text-xl: 25px;   /* H3 */
  --text-2xl: 31px;  /* H2 */
  --text-3xl: 39px;  /* H1 */

  /* Line-height rítmico */
  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-relaxed: 1.65;

  /* ========================================================================
     3. TOKENS SEMÂNTICOS DE COR - REGRA 60/30/10 (Delta 1.3, 1.11, 2.0)
     Sem preto ou branco puros (#000/#FFF). Cores não 100% saturadas.
     ======================================================================== */
  /* 60% Neutros (Superfícies e fundos) */
  --color-background-default: #f8fafc; /* Quase-branco confortável (slate-50) */
  --color-background-subtle: #f1f5f9;  /* Superfície sutil (slate-100) */
  --color-surface-raised: #ffffff;     /* Superfície elevada para cards */
  --color-surface-sunken: #f8fafc;     /* Superfície recuada para inputs */
  --color-surface-overlay: rgba(15, 23, 42, 0.78); /* Overlay de modais */

  /* 30% Cor Primária Estrutural (CBMMG Institucional) */
  --color-fill-primary-default: #b71c1c;
  --color-fill-primary-hover: #991616;
  --color-fill-primary-active: #7f0000;
  --color-fill-primary-subtle: #fef2f2;
  --color-border-primary-default: #b71c1c;

  /* 10% Acentos e Estados */
  --color-accent-gold: #d4af37;
  --color-fill-success: #15803d;
  --color-fill-success-subtle: #dcfce7;
  --color-fill-danger: #b91c1c;
  --color-fill-danger-subtle: #fee2e2;
  --color-fill-warning: #b45309;
  --color-fill-warning-subtle: #fef3c7;

  /* Bordas Semânticas Moderadas (Delta 1.6) */
  --color-border-default: #e2e8f0;     /* slate-200 suave */
  --color-border-strong: #cbd5e1;      /* slate-300 para inputs */
  --color-border-focus: #b71c1c;       /* Outline de foco ativo */

  /* Tipografia Semântica (Delta 1.10 - Alto Contraste) */
  --color-text-primary: #0f172a;       /* slate-900 (quase-preto) */
  --color-text-secondary: #475569;     /* slate-600 (mínimo garantido) */
  --color-text-muted: #64748b;         /* slate-500 */
  --color-text-on-color: #ffffff;      /* Texto sobre cor primária */
  --color-text-inverse: #f8fafc;

  /* Ícones Semânticos */
  --color-icon-primary: #0f172a;
  --color-icon-secondary: #64748b;
  --color-icon-brand: #b71c1c;

  /* ========================================================================
     4. RAIOS DE BORDA CONCÊNTRICOS (Delta 1.7)
     raio externo = raio interno + padding
     ======================================================================== */
  --radius-xs: 4px;
  --radius-sm: 8px;   /* Inputs e botões internos */
  --radius-md: 12px;  /* Segmentos e cards menores */
  --radius-lg: 20px;  /* Containers médios */
  --radius-xl: 28px;  /* Cards principais (padding 20px + raio interno 8px) */
  --radius-full: 9999px;

  /* Sombras Sutis (Baixo ruído) */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.12), 0 4px 8px -4px rgba(15, 23, 42, 0.06);

  /* Transições GPU-only (Delta 3.3) */
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & FUNDAMENTOS
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background-default);
  color: var(--color-text-primary);
  line-height: var(--lh-normal);
  font-size: var(--text-base);
  padding-bottom: var(--space-16);
  -webkit-font-smoothing: antialiased;
}

/* Tipografia de Títulos */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

/* Medida de Texto Ótima (Delta 1.2: 45-75ch) */
p, .reading-measure {
  max-width: 65ch;
}

/* ==========================================================================
   HEADER INSTITUCIONAL (Regra 30% Primária)
   ========================================================================== */
.app-header {
  background: linear-gradient(135deg, var(--color-fill-primary-active) 0%, var(--color-fill-primary-default) 100%);
  color: var(--color-text-on-color);
  padding: var(--space-4) var(--space-4);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-badge {
  background-color: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-title-box h1 {
  font-size: var(--text-lg);
  color: var(--color-text-on-color);
  font-weight: 700;
}

.header-title-box p {
  font-size: var(--text-xs);
  opacity: 0.92;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-icon {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-text-on-color);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--touch-target-min);
  text-decoration: none;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.28);
}

.btn-icon:active {
  transform: scale(0.97);
}

/* ==========================================================================
   ÍCONES VETORIAIS SVG
   ========================================================================== */
.icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.22em;
  flex-shrink: 0;
}

.icon-stroke {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-lg {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   CONTAINER DE LAYOUT
   ========================================================================== */
.container {
  max-width: 760px;
  margin: var(--space-6) auto;
  padding: 0 var(--space-4);
}

/* ==========================================================================
   NAVEGAÇÃO POR ABAS DE EQUIPAMENTO (Delta 1.1 e 1.7)
   ========================================================================== */
.equipment-tabs-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  background-color: var(--color-background-subtle);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border-default);
}

@media (max-width: 620px) {
  .equipment-tabs-nav {
    grid-template-columns: 1fr;
  }
}

.tab-btn {
  background: transparent;
  border: none;
  padding: var(--space-3) var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-target-min);
  text-align: center;
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.tab-btn:hover {
  background-color: rgba(255, 255, 255, 0.7);
  color: var(--color-text-primary);
}

.tab-btn.active {
  background-color: var(--color-fill-primary-default);
  color: var(--color-text-on-color);
  box-shadow: 0 4px 10px rgba(183, 28, 28, 0.28);
}

.tab-btn:active {
  transform: scale(0.98);
}

/* Banner de Equipamento Ativo */
.active-equipment-banner {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-4);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.banner-subtitle {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-fill-primary-default);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
}

.banner-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-top: var(--space-1);
}

/* Notice Card de Apresentação */
.notice-card {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.notice-card h2 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-fill-primary-default);
  margin-bottom: var(--space-1);
}

.notice-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
}

/* Card Destacado: Detalhes da Inspeção */
.inspection-note-highlight {
  background-color: #fffdf5;
  border: 1.5px dashed var(--color-fill-warning);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

.inspection-note-highlight .question-label {
  color: #78350f;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ==========================================================================
   CARDS DE REFERÊNCIA TÉCNICA DO EQUIPAMENTO (Delta 1.5 e 1.7)
   ========================================================================== */
.equipment-ref-card {
  background-color: var(--color-background-subtle);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ref-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.ref-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-fill-primary-default);
}

.ref-caption {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: #ffffff;
  padding: 3px var(--space-2);
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-default);
}

.ref-img-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #ffffff;
  border: 1px solid var(--color-border-default);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.ref-img-container:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.ref-img-container:active {
  transform: scale(0.995);
}

.ref-img {
  width: 100%;
  max-width: 620px;
  height: auto;
  max-height: 300px;
  object-fit: contain;
  display: block;
}

.ref-zoom-hint {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  background: rgba(15, 23, 42, 0.78);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(4px);
  pointer-events: none;
}

/* Lightbox Modal para Visualização da Ficha Técnica */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--space-4);
  box-sizing: border-box;
}

.lightbox-modal.hidden {
  display: none !important;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-height: 90vh;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-primary);
}

.lightbox-close-btn {
  background: var(--color-background-subtle);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast);
}

.lightbox-close-btn:hover {
  background: #e2e8f0;
}

.lightbox-body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f8fafc;
  border-radius: var(--radius-md);
  padding: var(--space-2);
  border: 1px solid var(--color-border-default);
  overflow: auto;
  max-height: 75vh;
}

.lightbox-body img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   CARDS DE SEÇÃO (Delta 1.5 Gestalt e 1.7 Concêntrico)
   padding: 24px (--space-6), raio externo: 24px, raio interno: 8px
   ========================================================================== */
.form-section {
  background: var(--color-surface-raised);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-default);
  transition: box-shadow var(--transition-normal);
}

.section-header {
  border-bottom: 1px solid var(--color-border-default);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
}

.section-number {
  display: inline-block;
  background-color: var(--color-fill-primary-subtle);
  color: var(--color-fill-primary-default);
  border: 1px solid rgba(183, 28, 28, 0.2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  padding: 2px var(--space-2);
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.section-header h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.section-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ==========================================================================
   CAMPOS E LABELS DO FORMULÁRIO (Delta 1.12)
   ========================================================================== */
.question-group {
  margin-bottom: var(--space-6);
}

.question-group:last-child {
  margin-bottom: 0;
}

.question-label {
  display: block;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: var(--lh-tight);
}

.required-badge {
  color: var(--color-fill-danger);
  font-weight: 700;
  margin-left: 2px;
}

.question-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-1));
  margin-bottom: var(--space-2);
}

/* Inputs e Textareas */
input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  box-sizing: border-box;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base); /* Previne zoom indesejado no iOS */
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-sunken);
  color: var(--color-text-primary);
  min-height: var(--touch-target-min);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  background-color: #ffffff;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-fill-primary-subtle);
}

textarea {
  resize: vertical;
  min-height: 96px;
  line-height: var(--lh-relaxed);
}

/* ==========================================================================
   ESCALA LINEAR DE 1 A 5 - TOUCH FRIENDLY (Delta 3.7 Fitts)
   ========================================================================== */
.scale-1-to-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.scale-option {
  position: relative;
}

.scale-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
  margin: 0;
}

.scale-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--color-background-subtle);
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-1);
  min-height: 54px;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  text-align: center;
}

.scale-number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text-secondary);
  line-height: 1;
}

.scale-text {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 3px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.scale-option input[type="radio"]:checked + .scale-button {
  background-color: var(--color-fill-primary-default);
  border-color: var(--color-fill-primary-active);
  box-shadow: 0 4px 10px rgba(183, 28, 28, 0.3);
  transform: translateY(-1px);
}

.scale-option input[type="radio"]:checked + .scale-button .scale-number,
.scale-option input[type="radio"]:checked + .scale-button .scale-text {
  color: var(--color-text-on-color);
}

/* ==========================================================================
   CARDS DE SELEÇÃO (Radio & Checkbox - Delta 1.13)
   ========================================================================== */
.options-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.options-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (max-width: 520px) {
  .options-grid-2 {
    grid-template-columns: 1fr;
  }
}

.choice-item {
  position: relative;
}

.choice-item input[type="radio"],
.choice-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
  margin: 0;
}

.choice-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-sunken);
  min-height: var(--touch-target-min);
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.choice-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.choice-item input[type="checkbox"] + .choice-box .choice-indicator {
  border-radius: 4px;
}

.choice-item input:checked + .choice-box {
  border-color: var(--color-fill-primary-default);
  background-color: var(--color-fill-primary-subtle);
  color: var(--color-text-primary);
}

.choice-item input:checked + .choice-box .choice-indicator {
  border-color: var(--color-fill-primary-default);
  background-color: var(--color-fill-primary-default);
}

.choice-item input[type="radio"]:checked + .choice-box .choice-indicator::after {
  content: "";
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
}

.choice-item input[type="checkbox"]:checked + .choice-box .choice-indicator::after {
  content: "";
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

/* Caixa Condicional (Delta 1.5) */
.conditional-box {
  background-color: var(--color-background-subtle);
  border: 1px solid var(--color-border-default);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-3);
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   UPLOAD DE IMAGENS COM PREVIEW (Delta 3.1)
   ========================================================================== */
.upload-container {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  background-color: var(--color-background-subtle);
  margin-top: var(--space-2);
}

.upload-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.upload-btn {
  background-color: var(--color-surface-raised);
  border: 1.5px solid var(--color-fill-primary-default);
  color: var(--color-fill-primary-default);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  min-height: var(--touch-target-min);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.upload-btn:hover {
  background-color: var(--color-fill-primary-subtle);
}

.upload-btn:active {
  transform: scale(0.97);
}

.upload-limit {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
}

.gallery-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-default);
  background-color: var(--color-background-subtle);
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item .btn-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(15, 23, 42, 0.85);
  color: white;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   BOTÕES DE AÇÃO PRINCIPAL (Delta 3.1 Microcopy & 3.7 Fitts)
   ========================================================================== */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-fill-primary-default) 0%, var(--color-fill-primary-active) 100%);
  color: var(--color-text-on-color);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  min-height: 54px;
  box-shadow: 0 4px 14px rgba(183, 28, 28, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-primary:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 2px 6px rgba(183, 28, 28, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  min-height: var(--touch-target-min);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--color-background-subtle);
  color: var(--color-text-primary);
}

/* ==========================================================================
   MODAL DE BLOQUEIO POR PIN (Delta 1.7 e 1.11)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--color-surface-overlay);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 1000;
}

.modal-content {
  background: var(--color-surface-raised);
  width: 100%;
  max-width: 380px;
  box-sizing: border-box;
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--color-border-default);
  overflow: hidden;
}

.modal-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-fill-primary-subtle);
  color: var(--color-fill-primary-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.modal-content h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.modal-content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.pin-input-group {
  margin-bottom: var(--space-4);
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pin-input {
  width: 100% !important;
  max-width: 220px !important;
  box-sizing: border-box !important;
  font-family: var(--font-display) !important;
  font-size: 1.6rem !important;
  letter-spacing: 0.35em !important;
  text-indent: 0.35em !important;
  text-align: center !important;
  padding: var(--space-2) var(--space-3) !important;
  font-weight: 800;
  border: 2px solid var(--color-border-strong) !important;
  border-radius: var(--radius-md) !important;
  height: 52px !important;
  min-height: 52px !important;
}

.pin-input:focus {
  border-color: var(--color-fill-primary-default) !important;
  box-shadow: 0 0 0 3px var(--color-fill-primary-subtle) !important;
}

.pin-error {
  color: var(--color-fill-danger);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-top: var(--space-2);
  display: none;
}

/* ==========================================================================
   FEEDBACK DE TOAST & SPINNER
   ========================================================================== */
.status-toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text-primary);
  color: var(--color-text-on-color);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 90%;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.status-toast.success {
  background: var(--color-fill-success);
}

.status-toast.error {
  background: var(--color-fill-danger);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Respeitar prefers-reduced-motion (Delta 3.3) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}