/* ============================================================
   Percorso Tools — Shared Stylesheet
   tools.percorsols.com
   ============================================================ */

/* Google Fonts — import in each HTML file:
   <link href="https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Syne:wght@400;600;700;800&display=swap" rel="stylesheet">
*/

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Design Tokens ── */
:root {
  --ink:          #0f0f0f;
  --paper:        #f5f2ec;
  --accent:       #c8441a;
  --accent-light: #e8d5cc;
  --mid:          #8a8070;
  --rule:         #d4cfc5;
  --green:        #2a7a3a;

  --mono: 'DM Mono', monospace;
  --sans: 'Syne', sans-serif;
}

/* ── Base ── */
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  border-bottom: 2px solid var(--ink);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}

.logo {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
}

.tool-name {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--mid);
  letter-spacing: 0.05em;
}

/* ── Panel Layout ── */
main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
  gap: 0;
}

.panel {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 2rem;
}

.panel:last-child,
.panel.right {
  border-right: none;
}

.panel.right {
  display: flex;
  flex-direction: column;
}

.panel-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ── Drop Zone ── */
.drop-zone {
  border: 2px dashed var(--rule);
  border-radius: 4px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.drop-zone input[type=file] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  display: block;
  filter: grayscale(1) opacity(0.4);
}

.drop-text {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.drop-sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--mid);
}

.file-loaded {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.85rem;
  padding: 0.55rem 0.75rem;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.clear-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}

/* ── Form Elements ── */
.meta-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.meta-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--mid);
  width: 82px;
  flex-shrink: 0;
}

.meta-input {
  font-family: var(--mono);
  font-size: 0.77rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.32rem 0.55rem;
  flex: 1;
  outline: none;
  transition: border-color 0.12s;
}

.meta-input:focus {
  border-color: var(--accent);
}

.filename-preview {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.67rem;
  color: var(--mid);
  background: var(--rule);
  border-radius: 2px;
  padding: 0.38rem 0.55rem;
  word-break: break-all;
}

.filename-preview span {
  color: var(--ink);
  font-weight: 500;
}

/* ── Config / Column Lists ── */
.config-section { margin-bottom: 1.75rem; }

.config-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.col-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.col-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.col-item input[type=checkbox] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
  flex-shrink: 0;
}

.col-item label { cursor: pointer; }

.col-item.removed label,
.col-item.off label {
  text-decoration: line-through;
  color: var(--mid);
}

/* ── Stats Row ── */
.stats-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--rule);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.stat-val {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--ink);
}

.stat-val.accent { color: var(--accent); }
.stat-val.green  { color: var(--green); }

.stat-lbl {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
}

/* ── Preview / Data Table ── */
.preview-wrap,
.table-wrap {
  overflow: auto;
  max-height: 260px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.72rem;
  margin-bottom: 1.5rem;
}

.table-wrap {
  flex: 1;
  max-height: none;
  margin-bottom: 0;
}

table { border-collapse: collapse; width: 100%; }

th {
  background: var(--ink);
  color: var(--paper);
  padding: 0.42rem 0.65rem;
  text-align: left;
  font-weight: 500;
  white-space: nowrap;
}

td {
  padding: 0.33rem 0.65rem;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--accent-light); }
td.date-col { color: var(--mid); }

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
  color: var(--mid);
  font-family: var(--mono);
  font-size: 0.72rem;
  gap: 0.5rem;
  text-align: center;
}

/* ── Action Bar ── */
.action-bar {
  grid-column: 1 / -1;
  border-top: 2px solid var(--ink);
  padding: 1.1rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* ── Buttons ── */
.btn {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.65rem 1.5rem;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.12s, color 0.12s;
  text-decoration: none;
  display: inline-block;
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.btn.secondary {
  background: transparent;
  color: var(--ink);
}

.btn.secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ── Status Messages ── */
.status-msg {
  font-family: var(--mono);
  font-size: 0.71rem;
  color: var(--mid);
  flex: 1;
}

.status-msg.ok  { color: var(--green); }
.status-msg.err { color: var(--accent); }

/* ── Homepage — Tool Cards ── */
.tool-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  max-width: 680px;
}

.tool-card {
  border: 2px solid var(--ink);
  border-radius: 3px;
  padding: 1.5rem 2rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--paper);
  transition: background 0.15s, border-color 0.15s;
}

.tool-card:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

.tool-card-icon {
  font-size: 1.8rem;
  line-height: 1;
  filter: grayscale(1) opacity(0.45);
  flex-shrink: 0;
}

.tool-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tool-card-label {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tool-card-desc {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--mid);
  line-height: 1.6;
}

.tool-card-arrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
}

/* ── Homepage — Hero ── */
.home-hero {
  padding: 3rem 2rem 2.5rem;
  border-bottom: 1px solid var(--rule);
}

.home-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 0.6rem;
}

.home-hero h1 span { color: var(--accent); }

.home-hero p {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--mid);
  letter-spacing: 0.06em;
}

/* ── Responsive ── */
@media (max-width: 760px) {
  main { grid-template-columns: 1fr; }
  .panel { border-right: none; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card { border-right: none; }
}