/* ══════════════════════════════════════
   CSV Grid Printer — Styles
   ══════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg: #0c0c10;
  --surface: #15151d;
  --surface2: #1c1c28;
  --surface3: #262635;
  --border: #2a2a3a;
  --border-focus: #4169e1;
  --text: #e4e4ef;
  --text-dim: #7a7a94;
  --accent: #4169e1;
  --accent-light: #6d8ef0;
  --green: #00b894;
  --green-dim: rgba(0, 184, 148, 0.14);
  --red: #e17055;
  --red-dim: rgba(225, 112, 85, 0.12);
}

/* ── Reset ── */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── App Layout ── */
.app {
  display: grid;
  grid-template-columns: 410px 1fr;
  min-height: 100vh;
}
@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════
   Sidebar
   ══════════════════════════════════════ */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 20px;
  overflow-y: auto;
  max-height: 100vh;
  position: sticky;
  top: 0;
}
.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1px;
  background: linear-gradient(135deg, var(--accent-light), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.subtitle {
  color: var(--text-dim);
  font-size: 0.78rem;
  margin-bottom: 20px;
}

/* ── Section ── */
.sec { margin-bottom: 18px; }
.sec-t {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sec-t::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Upload ── */
.upload {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface2);
  position: relative;
}
.upload:hover,
.upload.over {
  border-color: var(--accent);
  background: var(--surface3);
}
.upload svg { width: 28px; height: 28px; color: var(--accent); margin-bottom: 4px; }
.upload p { color: var(--text-dim); font-size: 0.82rem; }
.upload .h2 { font-size: 0.68rem; color: var(--text-dim); margin-top: 2px; opacity: 0.5; }
.upload input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* ── Status ── */
.status {
  margin-top: 8px;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 0.78rem;
  display: none;
}
.status.ok { display: block; background: var(--green-dim); color: var(--green); }
.status.err { display: block; background: var(--red-dim); color: var(--red); }

/* ── Form Controls ── */
.row { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.ctrl { display: flex; flex-direction: column; gap: 3px; }
.ctrl label {
  font-size: 0.68rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.ctrl select,
.ctrl input[type=number],
.ctrl input[type=text] {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.82rem;
  width: 100%;
}
.ctrl select:focus,
.ctrl input:focus { outline: none; border-color: var(--border-focus); }

/* ── Calc Box ── */
.calc {
  background: var(--surface3);
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 0.8rem;
  color: var(--accent-light);
  margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 5px;
}
.calc .eq { color: var(--green); font-weight: 700; }

/* ── Toggle ── */
.trow { display: flex; align-items: center; justify-content: space-between; padding: 5px 0; }
.trow span { font-size: 0.82rem; }
.tg {
  width: 36px; height: 20px;
  background: var(--surface3);
  border-radius: 10px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.tg.on { background: var(--accent); border-color: var(--accent); }
.tg::after {
  content: '';
  width: 14px; height: 14px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 2px; left: 2px;
  transition: transform 0.2s;
}
.tg.on::after { transform: translateX(16px); }

/* ── Per-column Settings ── */
.col-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.col-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  transition: border-color 0.15s;
}
.col-item.active { border-color: var(--accent); }
.col-item.inactive { opacity: 0.45; }

.col-top { display: flex; align-items: center; gap: 8px; }
.col-top .col-name {
  font-size: 0.78rem;
  font-family: 'JetBrains Mono', monospace;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}
.col-top .col-name:hover { color: var(--accent-light); }

.col-role {
  font-size: 0.62rem;
  background: var(--accent);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.col-opts { display: flex; gap: 6px; margin-top: 6px; align-items: center; flex-wrap: wrap; }
.col-opts .mini { display: flex; flex-direction: column; gap: 2px; }
.col-opts .mini label {
  font-size: 0.62rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.col-opts .mini select,
.col-opts .mini input {
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 6px;
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.78rem;
  width: 70px;
}
.col-opts .mini select { width: 80px; }
.col-opts .mini input:focus,
.col-opts .mini select:focus { outline: none; border-color: var(--border-focus); }

.mini-tg { display: flex; align-items: center; gap: 4px; margin-top: auto; }
.mini-tg span { font-size: 0.65rem; color: var(--text-dim); text-transform: uppercase; }

.tg-sm {
  width: 28px; height: 16px;
  background: var(--surface3);
  border-radius: 8px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.tg-sm.on { background: var(--accent); border-color: var(--accent); }
.tg-sm::after {
  content: '';
  width: 10px; height: 10px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 2px; left: 2px;
  transition: transform 0.15s;
}
.tg-sm.on::after { transform: translateX(12px); }

/* ── Template Preview ── */
.tpl-wrap {
  background: #fff;
  border-radius: 7px;
  border: 2px solid var(--border);
  overflow: hidden;
  margin-top: 10px;
}
.tpl-label {
  background: var(--surface3);
  padding: 5px 10px;
  font-size: 0.66rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.tpl-cell {
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  min-height: 70px;
  color: #111;
  font-family: 'DM Sans', sans-serif;
}
.tpl-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
  overflow: hidden;
}
.tpl-footer {
  padding-top: 3px;
  border-top: 1px dashed #ddd;
  margin-top: 4px;
}

/* ── Print Button ── */
.btn-print {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 11px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 6px;
}
.btn-print:hover { background: var(--accent-light); }
.btn-print:disabled { opacity: 0.3; cursor: not-allowed; }

/* ══════════════════════════════════════
   Preview Area
   ══════════════════════════════════════ */
.preview {
  background: var(--bg);
  padding: 28px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.pv-head { text-align: center; color: var(--text-dim); font-size: 0.8rem; }
.pv-head strong { color: var(--accent-light); }

/* ── A4 Page ── */
.a4 {
  width: 210mm;
  height: 297mm;
  background: #fff;
  color: #111;
  padding: 8mm;
  flex-shrink: 0;
  display: none;
  overflow: hidden;
  position: relative;
}
.a4.show { display: block; }
.pgnum { position: absolute; bottom: 3mm; right: 5mm; font-size: 7pt; color: #aaa; }

/* ── Grid & Cells ── */
.grid {
  width: 100%;
  height: calc(100% - 4mm);
  display: grid;
  border: 1.2px solid #333;
}
.gc {
  border: 0.5px solid #ccc;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'DM Sans', sans-serif;
}
.gc-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5mm 2mm;
  gap: 0.3mm;
  overflow: hidden;
}
.gc-line { word-break: break-word; line-height: 1.25; }
.gc-footer {
  padding: 1mm 2mm;
  border-top: 0.5px dashed #ccc;
  flex-shrink: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.gc.empty {
  background: repeating-linear-gradient(45deg, transparent, transparent 3px, #f7f7f7 3px, #f7f7f7 4px);
}

/* ── Empty State ── */
.empty-msg {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
  color: var(--text-dim);
  font-size: 0.95rem;
  text-align: center;
  line-height: 1.6;
}

/* ══════════════════════════════════════
   Print Styles
   ══════════════════════════════════════ */
@media print {
  @page { size: A4 portrait; margin: 0; }
  body { background: #fff; }
  .sidebar, .pv-head { display: none !important; }
  .app { display: block; }
  .preview { padding: 0; gap: 0; background: #fff; }
  .a4 {
    display: block !important;
    margin: 0;
    box-shadow: none;
    page-break-after: always;
    break-after: page;
  }
  .a4:last-child { page-break-after: avoid; }
  .gc { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

@media screen {
  .a4.show { box-shadow: 0 2px 28px rgba(0, 0, 0, 0.55); border-radius: 3px; }
}