:root {
  --bg: #0f1226;
  --bg-2: #181c3a;
  --card: #1e2447;
  --card-2: #262c55;
  --accent: #7c5cff;
  --accent-2: #4cc9f0;
  --text: #e8ecff;
  --muted: #9aa3d1;
  --danger: #ef476f;
  --chord: #ffd166;
  --chord-bg: rgba(255, 209, 102, 0.14);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1a1f4d 0%, transparent 60%),
              radial-gradient(900px 500px at 110% 10%, #2c1d5c 0%, transparent 60%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.navbar {
  background: rgba(15, 18, 38, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
nav { display: flex; gap: 8px; }

.nav-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}
.nav-btn:hover { color: var(--text); border-color: var(--accent); }
.nav-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #5b8dff);
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(124, 92, 255, 0.35);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.view.hidden { display: none; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
}
#search {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}
#search:focus { border-color: var(--accent); }

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #5b8dff);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(124, 92, 255, 0.3);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.secondary { background: var(--card-2); }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn.danger { background: var(--danger); border-color: transparent; }

.song-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.song-card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.song-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, transparent 60%, rgba(124,92,255,0.35));
  opacity: 0;
  border-radius: var(--radius);
  transition: opacity 0.2s ease;
}
.song-card:hover { transform: translateY(-3px); border-color: rgba(124,92,255,0.5); }
.song-card:hover::before { opacity: 1; }
.song-card > * { position: relative; }

.song-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.3;
}
.song-card .artist {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 12px;
}
.song-card .meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(76, 201, 240, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(76, 201, 240, 0.25);
}

.detail-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  position: sticky;
  top: 78px;
  z-index: 5;
  background: rgba(15, 18, 38, 0.85);
  backdrop-filter: blur(6px);
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.detail-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.chip {
  font-size: 13px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chip input {
  width: 46px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 6px;
  text-align: center;
}

.song-detail {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.song-detail header { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.song-detail h2 { margin: 0 0 6px; font-size: 28px; }
.song-detail .artist-line { color: var(--muted); font-size: 16px; margin-bottom: 10px; }
.song-detail .info { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.song-detail .info .tag { font-size: 13px; padding: 5px 10px; }

.section {
  margin: 22px 0;
}
.section h4 {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-2);
}

.lyrics {
  font-family: "SF Mono", "Fira Code", Consolas, "Liberation Mono", monospace;
  font-size: 17px;
  line-height: 2.8;
  white-space: pre-wrap;
  word-break: break-word;
  padding-top: 1.4em;
  padding-bottom: 0.8em;
  letter-spacing: 0.02em;
}

.lyrics .line {
  position: relative;
  padding: 0;
  margin-bottom: 1.2em;
}

.chord-anchor {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.chord-anchor.standalone {
  margin-right: 1.6em;
  padding-right: 0.6em;
}

.lyrics .chord {
  position: absolute;
  left: 0;
  top: -1.5em;
  display: inline-block;
  white-space: nowrap;
  font-weight: 700;
  color: var(--chord);
  background: var(--chord-bg);
  border-radius: 6px;
  padding: 2px 8px 1px;
  line-height: 1.5;
  font-size: 14px;
  vertical-align: baseline;
  z-index: 2;
  min-width: 1.5em;
  text-align: center;
  box-sizing: border-box;
}

.import-tabs {
  display: flex;
  gap: 6px;
  margin: 20px 0 14px;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.small {
  padding: 7px 12px;
  font-size: 13px;
}
.tab-btn.active {
  color: var(--text);
  border-color: var(--accent);
}
.import-subtabs {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.import-form.hidden { display: none; }
.import-form {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.import-form label { font-size: 13px; color: var(--muted); }
.import-form input[type=file],
.import-form input[type=url] {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px;
  border-radius: 10px;
  font-size: 14px;
}

.import-msg {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.import-msg.success { background: rgba(6, 214, 160, 0.12); border-color: rgba(6, 214, 160, 0.35); color: #7dffd1; }
.import-msg.error { background: rgba(239, 71, 111, 0.12); border-color: rgba(239, 71, 111, 0.4); color: #ffb3c1; }

.edit-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 6px 4px 60px;
}
.edit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}
@media (max-width: 720px) {
  .edit-grid { grid-template-columns: 1fr; }
}
.edit-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.edit-form label.block { width: 100%; }
.edit-form label input,
.edit-form label textarea {
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  width: 100%;
  box-sizing: border-box;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
  font-weight: 500;
}
.edit-form label textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13.5px;
  line-height: 1.6;
  resize: vertical;
  min-height: 420px;
  tab-size: 2;
  letter-spacing: 0;
  background: #0b0f17;
  color: #e8eef8;
}
.edit-form label input:focus,
.edit-form label textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 169, 255, 0.18);
}
.edit-form label code {
  font-size: 12px;
  background: #0b0f17;
  color: #facc15;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid #1f2a40;
}
.edit-msg {
  margin-top: 4px;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
}
.edit-msg.success {
  background: rgba(6, 214, 160, 0.12);
  color: #7dffd1;
  border-color: rgba(6, 214, 160, 0.35);
}
.edit-msg.error {
  background: rgba(239, 71, 111, 0.12);
  color: #ffb3c1;
  border-color: rgba(239, 71, 111, 0.4);
}

.hidden { display: none !important; }

.muted { color: var(--muted); }
code {
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 13px;
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--accent);
  padding: 12px 20px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 100;
  font-size: 14px;
}

.btn.big { padding: 14px; font-size: 15px; }

/* ======================== LOGIN ======================== */
.login-wrap {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
}
.login-card h1 {
  margin: 0 0 6px;
  font-size: 24px;
  text-align: center;
}
.login-card .subtitle {
  text-align: center;
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 14px;
}
.login-card label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 10px 0 6px;
  color: var(--text);
}
.login-card input[type="text"],
.login-card input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  box-sizing: border-box;
}
.login-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.bottom-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}
.bottom-note code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-2);
  font-size: 11px;
}
.login-msg {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
}
.login-msg.success { background: rgba(34, 197, 94, 0.12); color: #16a34a; border: 1px solid rgba(34, 197, 94, 0.3); }
.login-msg.error   { background: rgba(239, 68, 68, 0.10); color: #dc2626; border: 1px solid rgba(239, 68, 68, 0.3); }

/* ======================== USER CHIP ======================== */
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 10px 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
}
.user-chip .impersonate-chip {
  background: rgba(245, 158, 11, 0.15);
  color: #b45309;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 12px;
}
.user-chip .btn.small.tiny { padding: 4px 9px; font-size: 12px; }

/* ======================== ADMIN ======================== */
.admin-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
  margin-top: 12px;
}
@media (max-width: 860px) {
  .admin-grid { grid-template-columns: 1fr; }
}
.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.card-title-row h3 { margin: 0; font-size: 17px; }

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.users-table th,
.users-table td {
  text-align: left;
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
}
.users-table th {
  background: var(--bg-2);
  font-weight: 600;
  color: var(--text);
  font-size: 13px;
  position: sticky;
  top: 0;
}
.users-table tr:last-child td { border-bottom: none; }
.users-table tbody tr:hover { background: rgba(59, 130, 246, 0.04); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.admin { background: rgba(59, 130, 246, 0.15); color: #2563eb; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge.user  { background: rgba(107, 114, 128, 0.12); color: #4b5563; border: 1px solid rgba(107, 114, 128, 0.25); }

.btn.small.secondary { background: rgba(59, 130, 246, 0.10); color: #2563eb; border: 1px solid rgba(59, 130, 246, 0.25); }
.btn.small.danger    { background: rgba(239, 68, 68, 0.10); color: #dc2626; border: 1px solid rgba(239, 68, 68, 0.25); }

.newuser-form-card input[type="text"],
.newuser-form-card input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  box-sizing: border-box;
  margin-bottom: 12px;
}
.newuser-form-card label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin: 8px 0 4px;
  color: var(--text);
}

/* ======================== MODALI ======================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal-overlay.hidden { display: none; }

.modal-card {
  width: 100%;
  max-width: 440px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px;
  box-shadow: var(--shadow);
  max-height: 92vh;
  overflow: auto;
}
.modal-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 10px;
}
.modal-title-row h3 { margin: 0; font-size: 18px; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}
#modal-change-pwd label,
#modal-admin-pwd label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 12px 0 6px;
  color: var(--text);
}
#modal-change-pwd input[type="password"],
#modal-change-pwd input[type="text"],
#modal-admin-pwd input[type="password"],
#modal-admin-pwd input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  box-sizing: border-box;
}

/* ======================== STAMPA ======================== */
@media print {
  @page {
    margin: 1.2cm 1.4cm;
    size: A4;
  }

  html, body {
    background: #fff !important;
    color: #000 !important;
    font-size: 12pt;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* nascondi TUTTO tranne la canzone */
  .navbar,
  #view-login,
  #view-list,
  #view-edit,
  #view-import,
  #view-admin,
  .detail-toolbar,
  .toast,
  .modal-overlay,
  #btn-print,
  .auth-only:not(#view-detail),
  .admin-only {
    display: none !important;
  }

  #view-detail {
    display: block !important;
  }

  .view,
  .container {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  .song-detail {
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: #fff !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  .song-detail h2 {
    font-size: 20pt !important;
    margin: 0 0 4pt !important;
    page-break-after: avoid;
  }

  .song-info {
    margin-bottom: 10pt !important;
    font-size: 10pt !important;
    page-break-after: avoid;
  }

  .song-info .tag {
    background: transparent !important;
    border: 1px solid #888 !important;
    color: #222 !important;
    font-size: 9pt !important;
    padding: 2pt 6pt !important;
  }

  .lyrics {
    font-size: 11pt !important;
    line-height: 1.75 !important;
    color: #000 !important;
  }

  .song-detail .section-title {
    font-size: 11pt !important;
    font-weight: 700 !important;
    margin-top: 12pt !important;
    margin-bottom: 4pt !important;
    page-break-after: avoid;
    break-after: avoid;
  }

  .chord {
    color: #000 !important;
    font-weight: 700 !important;
    background: transparent !important;
    border: none !important;
    font-size: 9pt !important;
  }

  .chord-anchor,
  .chord-over-line span.chord {
    text-decoration: none !important;
  }

  .lyrics .line-wrapper,
  .lyrics .line {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .source-line {
    color: #666 !important;
    font-size: 8pt !important;
    border-top: 1px dashed #bbb !important;
    padding-top: 6pt !important;
    margin-top: 14pt !important;
  }
}

@media (max-width: 600px) {
  .song-detail { padding: 18px; }
  .song-detail h2 { font-size: 22px; }
  .lyrics { font-size: 15px; }
  .nav-inner { flex-wrap: wrap; }
  .detail-toolbar { top: 120px; }
}