:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1c2129;
  --muted: #6b7280;
  --primary: #1f5eff;
  --primary-dark: #1745b8;
  --danger: #c0392b;
  --ok: #1f8a4c;
  --warn: #b8860b;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

h1 { font-size: 1.25rem; margin: 0; }

.muted { color: var(--muted); }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 380px;
  width: 100%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.login-card h1 { margin-bottom: 6px; }
.login-card p { margin-top: 0; margin-bottom: 20px; }
.login-card form { display: flex; flex-direction: column; gap: 10px; }
.login-card label { font-weight: 600; font-size: 0.85rem; }
.login-card input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}
.login-card button {
  margin-top: 6px;
  padding: 10px 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}
.login-card button:hover { background: var(--primary-dark); }
.error { color: var(--danger); font-size: 0.85rem; }

/* ---------- App shell ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.topbar-title { display: flex; align-items: center; gap: 10px; }
.role-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 20px;
  background: #eef1ff;
  color: var(--primary-dark);
  font-weight: 700;
}
.role-badge.admin { background: #fff0e0; color: #a35a00; }

.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.topbar-actions input, .topbar-actions select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
}
.btn-secondary {
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-secondary:hover { background: #eef0f3; }

.summary-bar {
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.summary-bar strong { color: var(--text); }

/* ---------- Gallery ---------- */
.gallery {
  padding: 16px 20px 60px;
}
.room-heading {
  margin: 18px 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--border);
}
.room-heading:first-child { margin-top: 0; }
.room-heading .count { color: var(--muted); font-weight: 400; font-size: 0.85rem; }

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}
@media (min-width: 1600px) {
  .room-grid { grid-template-columns: repeat(auto-fill, minmax(440px, 1fr)); }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #eee;
}
.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}
.card-room-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 20px;
}
.card-number {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
}
.card-estado-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  color: #fff;
  background: #999;
}
.card-estado-badge.recuperable { background: var(--ok); }
.card-estado-badge.reemplazar { background: var(--danger); }

.card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; }

.card-title {
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  background: transparent;
  padding: 2px 0;
  width: 100%;
}
.card-description {
  font-size: 0.82rem;
  color: var(--muted);
  border: none;
  background: transparent;
  resize: none;
  overflow: hidden;
  padding: 2px 0;
  width: 100%;
  font-family: inherit;
}
[data-role="viewer"] .card-title,
[data-role="viewer"] .card-description,
[data-role="viewer"] .field-estado,
[data-role="viewer"] .field-danos,
[data-role="viewer"] .field-comentario,
[data-role="viewer"] .field-valor {
  pointer-events: none;
  background: transparent;
}
[data-role="viewer"] .upload-btn { display: none; }

.field-row { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.field-row label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.field-row select, .field-row textarea, .field-row input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 0.85rem;
  font-family: inherit;
  width: 100%;
}
.field-row textarea { resize: none; overflow: hidden; }

.file-list { display: flex; flex-direction: column; gap: 4px; }
.file-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  background: #f0f2f5;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.78rem;
}
.file-chip a { color: var(--primary-dark); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-chip button { border: none; background: none; color: var(--danger); cursor: pointer; font-size: 0.85rem; }

.upload-btn {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.78rem;
  padding: 5px 10px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--primary-dark);
  margin-top: 2px;
}
.upload-btn:hover { background: #eef1ff; }

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  font-size: 0.78rem;
}
.view-full { color: var(--primary-dark); text-decoration: none; }
.save-indicator { color: var(--ok); font-size: 0.75rem; opacity: 0; transition: opacity 0.3s; }
.save-indicator.show { opacity: 1; }
.save-indicator.error { color: var(--danger); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 6px; }
.lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: stretch; }
  .topbar-actions { justify-content: stretch; }
  .topbar-actions > * { flex: 1; }
}