:root {
  --bg: #081a31;
  --surface: #0d2340;
  --surface-2: #14305a;
  --border: #24426c;
  --text: #e8eaed;
  --text-muted: #9aa0b0;
  --accent: #6c8cff;
  --accent-hover: #5a7af0;
  --success: #3dd68c;
  --warning: #f5a524;
  --danger: #f25f5c;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Mobile first: una colonna (form → disegno → note). Da 1100px: tre colonne come in origine */
.app {
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top);
}

/* Sidebar sinistra */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-header p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.2rem 1.5rem 2rem;
}

.section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 1.4rem 0 0.7rem;
  font-weight: 600;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}

input, select, textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  outline: none;
  transition: border 0.15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 90px; }

button {
  width: 100%;
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.85rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 0.6rem;
}

button:hover { background: var(--accent-hover); }
button.secondary { background: var(--surface-2); border: 1px solid var(--border); }
button.secondary:hover { background: #24426c; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Viewer centrale */
.viewer-area {
  display: flex;
  flex-direction: column;
  background: #06142a;
  overflow: hidden;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.viewer-toolbar h2 { font-size: 1rem; font-weight: 600; }

.toolbar-actions { display: flex; gap: 0.5rem; }
.toolbar-actions button { width: auto; padding: 0.5rem 1rem; margin: 0; font-size: 0.85rem; }

.viewer {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: auto;
}

.viewer img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: white;
}

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

.viewer-placeholder svg { opacity: 0.4; margin-bottom: 1rem; }

/* Pannello destro */
.right-panel {
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.right-header {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.right-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.2rem 1.5rem 2rem;
}

.notes-box {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 1rem;
  font-size: 0.88rem;
  line-height: 1.55;
  white-space: pre-wrap;
  min-height: 180px;
  border: 1px solid var(--border);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.thumb {
  background: var(--surface-2);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border 0.15s;
}

.thumb:hover, .thumb.active { border-color: var(--accent); }
.thumb img { width: 100%; height: 90px; object-fit: cover; display: block; }
.thumb-label { font-size: 0.7rem; padding: 0.3rem 0.4rem; color: var(--text-muted); }

.status-bar {
  padding: 0.6rem 1.2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2c4a75; border-radius: 4px; }

/* Aggiunte mobile-first */
.brand-row { display: flex; align-items: flex-start; justify-content: space-between; gap: .6rem; flex-wrap: wrap; }
.steps { list-style: none; counter-reset: s; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: .8rem .9rem; font-size: .88rem; line-height: 1.5; }
.steps li { counter-increment: s; display: flex; gap: .55rem; align-items: baseline; padding: .15rem 0; }
.steps li::before { content: counter(s); flex: 0 0 1.4rem; height: 1.4rem; border-radius: 50%; background: var(--accent); color: #fff; font-size: .75rem; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.steps li.done { color: var(--text-muted); }
.steps li.done::before { content: '✓'; background: var(--success); color: #081a31; }
.hint { font-size: .8rem; color: var(--text-muted); margin: -.6rem 0 1rem; line-height: 1.45; }
.hint a { color: var(--accent); }
.hint.warn { color: var(--warning); }
input.need { border-color: var(--warning); }
.project-list { font-size: .85rem; color: var(--text-muted); }
.project-item { display: block; width: 100%; text-align: left; background: transparent; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; color: var(--text); font-weight: 500; padding: .7rem 0; margin: 0; min-height: 44px; font-size: .9rem; }
.project-item:hover { background: transparent; color: var(--accent); }
.project-item small { color: var(--text-muted); font-weight: 400; }
.right-label { margin: 0; font-size: 1rem; }
input, select, textarea { font-size: 16px; } /* niente zoom automatico su iPhone */
.sidebar, .right-panel { border: 0; border-bottom: 1px solid var(--border); overflow: visible; }
.sidebar-content, .right-content { overflow: visible; }
.viewer-area { overflow: visible; }
.viewer { min-height: 300px; padding: 1rem; }
.viewer img { transform-origin: center center; }
.viewer-toolbar { flex-wrap: wrap; padding: .8rem 1rem; }
.toolbar-actions { flex-wrap: wrap; }
.toolbar-actions button { min-height: 44px; flex: 1 1 auto; }
.status-bar { flex-wrap: wrap; gap: .4rem; }
.thumb img { height: 110px; }

@media (min-width: 1100px) {
  .app { display: grid; grid-template-columns: 380px 1fr 320px; height: 100vh; padding-top: 0; }
  .sidebar { border-bottom: 0; border-right: 1px solid var(--border); overflow: hidden; }
  .right-panel { border-bottom: 0; border-left: 1px solid var(--border); overflow: hidden; }
  .sidebar-content, .right-content { overflow-y: auto; }
  .viewer-area { overflow: hidden; }
  .viewer { padding: 2rem; }
  .toolbar-actions button { flex: 0 0 auto; }
  input, select, textarea { font-size: 0.9rem; }
}
@media (min-width: 1400px) {
  .app { grid-template-columns: 420px 1fr 360px; }
}

/* Select leggibili anche su iPhone (Safari disegna i select chiari) e font coerente */
input, select, textarea, button { font-family: inherit; }
select {
  -webkit-appearance: none; appearance: none;
  background-color: var(--surface-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239aa0b0' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .9rem center; padding-right: 2.4rem;
  color: var(--text);
}
select option { background: #14305a; color: #e8eaed; }
input[type=file] { font-size: .9rem; }