:root {
  --bg: #f0f4f8;
  --surface: #ffffff;
  --text: #1a2b3c;
  --muted: #5c6b7a;
  --primary: #0d6e8a;
  --primary-dark: #095a72;
  --accent: #e8f4f8;
  --border: #d8e2ea;
  --success: #1a7f4b;
  --success-bg: #e6f5ec;
  --danger: #b42318;
  --danger-bg: #fdecea;
  --warn: #b54708;
  --warn-bg: #fff4e5;
  --shadow: 0 2px 12px rgba(26, 43, 60, 0.08);
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.hidden { display: none !important; }

#app-header {
  background: var(--primary);
  color: white;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

#app-header > div:first-child { flex: 1; min-width: 0; }

#app-header .btn-ghost { flex-shrink: 0; }

#app-header h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.header-meta {
  font-size: 0.8rem;
  opacity: 0.9;
  text-align: right;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem;
  padding-bottom: 5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow);
}

.card h2, .card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.muted { color: var(--muted); font-size: 0.9rem; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.75rem 0 0.35rem;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: white;
}

textarea { min-height: 88px; resize: vertical; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: none;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.05s, opacity 0.15s;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  color: white;
  width: 100%;
  margin-top: 1rem;
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: var(--surface);
  color: var(--primary-dark);
  border: 1px solid var(--border);
  flex: 1;
  min-width: 120px;
}

.btn-secondary:hover { border-color: var(--primary); }

.btn-ghost {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.45);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.btn-back {
  background: var(--accent);
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

.btn-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.patient-card {
  cursor: pointer;
  transition: border-color 0.15s;
}

.patient-card:hover { border-color: var(--primary); }

.patient-code {
  display: inline-block;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  margin-bottom: 0.35rem;
}

.tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
  overflow-x: auto;
}

.tab {
  flex: 1;
  min-width: fit-content;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

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

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--primary-dark);
}

.program-block {
  border-left: 3px solid var(--primary);
  padding-left: 0.75rem;
  margin: 0.75rem 0;
}

.program-block dt {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.program-block dd {
  margin: 0.15rem 0 0;
  font-size: 0.92rem;
}

.outcome-btns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.outcome-btn {
  padding: 0.85rem 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: white;
  cursor: pointer;
}

.outcome-btn.selected-plus {
  border-color: var(--success);
  background: var(--success-bg);
  color: var(--success);
}

.outcome-btn.selected-minus {
  border-color: var(--danger);
  background: var(--danger-bg);
  color: var(--danger);
}

.outcome-btn.selected-prompt {
  border-color: var(--warn);
  background: var(--warn-bg);
  color: var(--warn);
}

.session-item {
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.session-item:last-child { border-bottom: none; }

.result-chip {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  margin: 0.15rem 0.25rem 0.15rem 0;
}

.chip-plus { background: var(--success-bg); color: var(--success); }
.chip-minus { background: var(--danger-bg); color: var(--danger); }
.chip-prompt { background: var(--warn-bg); color: var(--warn); }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-warn { background: var(--warn-bg, #fff8e6); color: var(--warn); }

.login-logo {
  text-align: center;
  margin: 2rem 0 1.5rem;
}

.login-logo h2 {
  margin: 0;
  font-size: 1.75rem;
  color: var(--primary);
}

.login-logo p { margin: 0.35rem 0 0; color: var(--muted); }

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

@media (min-width: 640px) {
  main { padding: 1.5rem; }
}

.phone-access-card { margin-top: 1rem; background: var(--accent); border-color: var(--primary); }
.phone-access-title { margin: 0 0 0.35rem; font-size: 1rem; }
.phone-access-lead { margin: 0 0 0.75rem; font-size: 0.88rem; }
.phone-access-warn { margin: 0.75rem 0 0; font-size: 0.8rem; }
.phone-access-warn code { background: rgba(255,255,255,0.6); padding: 0.1rem 0.35rem; border-radius: 4px; }

.phone-panel {
  position: fixed;
  inset: 0;
  background: rgba(26, 43, 60, 0.45);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.phone-panel-inner {
  width: min(480px, 100%);
  max-height: 90vh;
  overflow: auto;
  margin: 0;
}

.phone-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.phone-panel-head h3 { margin: 0; }

.btn-ghost-dark {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.25rem 0.55rem;
  font-size: 0.9rem;
  width: auto;
  margin-top: 0;
}

#qr-missing {
  font-size: 0.82rem;
  margin: 0.5rem 0 0;
  text-align: center;
}

.phone-access-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
}

.qr-wrap {
  background: white;
  padding: 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.qr-wrap img { display: block; max-width: 100%; height: auto; }

.phone-access-details { flex: 1; min-width: 180px; }
.phone-url-line { word-break: break-all; margin: 0 0 0.65rem; font-size: 0.92rem; }

.checklist {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.82rem;
}

.checklist li { margin-bottom: 0.25rem; }

@media (max-width: 480px) {
  .outcome-btn {
    padding: 1rem 0.5rem;
    font-size: 1.4rem;
    min-height: 52px;
  }

  input, select, textarea, .btn-primary {
    font-size: 16px;
  }

  main {
    padding: 0.85rem;
    padding-bottom: calc(5rem + env(safe-area-inset-bottom));
  }

  #app-header {
    padding-top: calc(0.85rem + env(safe-area-inset-top));
  }

  .phone-access-grid { flex-direction: column; align-items: center; }
  .phone-access-details { width: 100%; }
}

@media (display-mode: standalone) {
  body { background: var(--bg); }
}

/* —— Rete educativa (fase 2) —— */
.network-intro h3 { margin-top: 0; }

.network-map {
  position: relative;
  min-height: 340px;
  margin-bottom: 0.85rem;
  background: linear-gradient(180deg, var(--accent) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.network-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.network-orbit {
  position: absolute;
  inset: 0;
}

.network-node {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
  text-align: center;
  width: 118px;
  box-shadow: var(--shadow);
}

.network-orbit .network-node {
  position: absolute;
  top: 50%;
  left: 50%;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translateY(min(-38vw, -130px))
    rotate(calc(-1 * var(--angle)));
}

.node-avatar {
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 50%;
  margin: 0 auto 0.35rem;
  font-weight: 800;
  font-size: 1rem;
  background: var(--accent);
  color: var(--primary-dark);
}

.node-avatar-child {
  width: 52px;
  height: 52px;
  line-height: 52px;
  font-size: 1.2rem;
  background: var(--primary);
  color: white;
}

.node-child {
  border-color: var(--primary);
  width: 140px;
}

.node-name {
  font-weight: 700;
  font-size: 0.82rem;
  line-height: 1.2;
}

.node-role {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.15rem;
}

.node-context, .node-email {
  font-size: 0.72rem;
  margin-top: 0.15rem;
}

.node-technician { border-color: #2e7d32; }
.node-technician .node-avatar { background: #e8f5e9; color: #2e7d32; }

.node-parent { border-color: #6a1b9a; }
.node-parent .node-avatar { background: #f3e5f5; color: #6a1b9a; }

.node-school { border-color: #ef6c00; }
.node-school .node-avatar { background: #fff3e0; color: #ef6c00; }

.node-supervisor { border-color: var(--primary); }
.node-supervisor .node-avatar { background: var(--accent); color: var(--primary-dark); }

.node-perms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  justify-content: center;
  margin-top: 0.35rem;
}

.perm-chip {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
}

.node-actions {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  margin-top: 0.4rem;
  flex-wrap: wrap;
}

.network-list-item {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.network-list-item:last-child { border-bottom: none; }

.network-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.btn-small {
  padding: 0.35rem 0.6rem;
  font-size: 0.78rem;
  width: auto;
  margin-top: 0;
}

.btn-danger-ghost {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  width: auto;
  margin-top: 0;
}

.doc-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.doc-item:last-child { border-bottom: none; }

.doc-actions {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-shrink: 0;
}

.chat-channels { display: flex; gap: 0.35rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.chat-channel-tab {
  border: 1px solid var(--border); background: white; border-radius: 999px;
  padding: 0.35rem 0.75rem; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.chat-channel-tab.active { background: var(--primary); color: white; border-color: var(--primary); }
.chat-feed { max-height: 320px; overflow-y: auto; margin-bottom: 0.75rem; }
.chat-msg { border-bottom: 1px solid var(--border); padding: 0.5rem 0; }
.chat-msg-head { font-size: 0.85rem; margin-bottom: 0.2rem; }
.prog-head { display: flex; justify-content: space-between; align-items: start; gap: 0.5rem; }
.version-list { font-size: 0.82rem; padding-left: 1.1rem; }
.audit-row { padding: 0.45rem 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.audit-row:last-child { border-bottom: none; }

.dashboard-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.queue-hint { font-size: 0.82rem; margin-top: 0.75rem; }
.queue-list { margin: 0.75rem 0; }
.queue-item {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem;
  padding: 0.65rem 0; border-bottom: 1px solid var(--border);
}
.queue-item:last-child { border-bottom: none; }
.offline-entry-banner { border: 2px solid var(--warn); background: #fff8ec; margin-bottom: 0.75rem; }
.offline-entry-banner h3 { margin-top: 0; color: var(--warn); }
.session-item-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem; }
.program-trial-block { margin: 0.5rem 0; }
.trial-chips { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.35rem; }
.trial-list { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.5rem 0; min-height: 1.5rem; }
.trial-empty { margin: 0.35rem 0; }
.chat-msg-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem; }

.queue-pending-card { border-color: var(--warn); }
.server-warn { color: var(--warn); font-weight: 600; }
.server-ok { color: var(--success); }

@media (max-width: 520px) {
  .network-map { min-height: 420px; }
  .network-orbit .network-node {
    width: 100px;
    transform:
      translate(-50%, -50%)
      rotate(var(--angle))
      translateY(min(-42vw, -150px))
      rotate(calc(-1 * var(--angle)));
  }
  .node-child { width: 120px; }
  .doc-item { flex-direction: column; }
}

.feedback-step, .feedback-rating {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem;
  margin-bottom: 0.5rem; font-size: 0.9rem;
}
.feedback-step-label { min-width: 11rem; font-weight: 600; }
.feedback-rating-btns label { margin-right: 0.35rem; }
.feedback-detail { margin-top: 0.75rem; padding: 0.75rem; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; }
.feedback-detail-summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; list-style: none; }
.feedback-detail-summary::-webkit-details-marker { display: none; }
.feedback-steps-list { margin: 0.5rem 0; padding-left: 1.2rem; font-size: 0.9rem; }
.feedback-comment { white-space: pre-wrap; word-break: break-word; }
.export-hint { font-size: 0.78rem; align-self: center; }
.queue-status { font-size: 0.95rem; margin-bottom: 0.35rem; }
.feedback-list-item { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.alert-warn-card { background: var(--warn-bg, #fff8e6); border: 1px solid var(--warn); }