:root {
  --primary: #1e3a5f;
  --primary-light: #2c5282;
  --accent: #e07a3f;
  --bg: #f4f6f8;
  --card-bg: #ffffff;
  --text: #1a202c;
  --text-muted: #64748b;
  --danger: #c0392b;
  --success: #2e8b57;
  --warning: #d68910;
  --border: #e2e8f0;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.app-header {
  background: var(--primary);
  color: white;
  padding: 20px 16px calc(20px + env(safe-area-inset-top, 0px));
  padding-top: calc(20px + env(safe-area-inset-top, 0px));
  position: relative;
}

.app-header h1 {
  margin: 0 0 4px;
  font-size: 1.4rem;
}

.subtitle {
  margin: 0;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.back-link {
  display: inline-block;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
}

/* Lista de encargados (pantalla de roles) */
.staff-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.staff-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  text-align: left;
  width: 100%;
}

.staff-card:active {
  transform: scale(0.98);
}

.staff-card h3 {
  margin: 0 0 4px;
  color: var(--primary);
}

.staff-role {
  display: inline-block;
  background: #eef2f7;
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
  margin-bottom: 8px;
}

.staff-description {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.staff-portal-link {
  display: block;
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

/* Formulario de reporte */
.report-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: 16px;
}

.report-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

input, select, textarea, button {
  font-family: inherit;
  font-size: 1rem;
}

input[type="text"], input[type="password"], select, textarea {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafafa;
}

textarea { resize: vertical; }

.image-preview {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 8px;
  margin-top: -8px;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

button:active { opacity: 0.85; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.form-status {
  text-align: center;
  font-size: 0.9rem;
  min-height: 1.2em;
  margin: 0;
}

.form-status.error { color: var(--danger); }
.form-status.success { color: var(--success); }

.loading { color: var(--text-muted); text-align: center; }

/* Inbox de mantenimiento */
.logout-btn {
  position: absolute;
  top: calc(16px + env(safe-area-inset-top, 0px));
  right: 16px;
  width: auto;
  background: rgba(255,255,255,0.15);
  padding: 8px 12px;
  font-size: 0.8rem;
}

.filters {
  display: flex;
  gap: 8px;
  margin: 16px 0;
  overflow-x: auto;
}

.filter-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.filter-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.message-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}

.message-card-header h4 {
  margin: 0;
  font-size: 1rem;
}

.message-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0 0 8px;
}

.category-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
  white-space: nowrap;
}

.category-electrico { background: #fdecea; color: var(--danger); }
.category-cableado { background: #fef5e7; color: var(--warning); }
.category-material { background: #eaf2fd; color: var(--primary-light); }

.message-content {
  margin: 0 0 12px;
  line-height: 1.5;
}

.message-image {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 12px;
  max-height: 320px;
  object-fit: cover;
}

.status-select {
  width: auto;
  padding: 8px 10px;
  font-size: 0.85rem;
}