/* =========================================================
   Pacific Power Engineering — IEC61850 Tool styles
   (Site chrome — topbar/header/hero/footer — comes from
    /assets/css/style.css. This file contains only the
    tool-specific UI: tabs, cards, forms, buttons, preview.)
   ========================================================= */

:root {
  --ppe-navy:       #0b2545;
  --ppe-navy-2:     #13315c;
  --ppe-blue:       #1d4e89;
  --ppe-accent:     #f5a623;
  --ppe-accent-2:   #e09112;
  --ppe-light:      #f5f7fa;
  --ppe-border:     #e1e6ed;
  --ppe-text:       #1f2937;
  --ppe-muted:      #6b7280;
  --ppe-success:    #15803d;
  --ppe-error:      #b91c1c;
  --ppe-info:       #1d4e89;
}

/* ---------- Tool page wrapper ---------- */
.page {
  width: 100%;
  margin: 0 auto;
  padding: 12px 0 24px;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--ppe-border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.tab {
  background: transparent;
  border: 0;
  padding: 12px 22px;
  cursor: pointer;
  font-family: "Montserrat", "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ppe-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--ppe-navy); }
.tab.active {
  color: var(--ppe-navy);
  border-bottom-color: var(--ppe-accent);
}
.panel { display: none; }
.panel.active { display: block; }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--ppe-border);
  border-radius: 10px;
  padding: 24px 26px;
  margin-bottom: 22px;
  box-shadow: 0 2px 6px rgba(11, 37, 69, 0.04);
}
.card .section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ppe-accent);
  display: inline-block;
  color: var(--ppe-navy);
}
.card .sub-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ppe-navy);
  margin: 4px 0 8px;
}

/* ---------- Forms / rows ---------- */
.card .row {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.card .col { display: flex; flex-direction: column; min-width: 220px; }
.card .col.grow { flex: 1; }

.card label {
  font-family: "Montserrat", "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--ppe-navy);
  margin-bottom: 6px;
  display: block;
}

.card input[type=file],
.card select,
.card input[type=text] {
  padding: 9px 11px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  font-family: inherit;
  color: var(--ppe-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card input[type=file]:focus,
.card select:focus,
.card input[type=text]:focus {
  outline: none;
  border-color: var(--ppe-blue);
  box-shadow: 0 0 0 3px rgba(29, 78, 137, 0.15);
}

/* ---------- Buttons (tool buttons only — scoped to .card) ---------- */
.card button {
  padding: 10px 18px;
  border: 1px solid var(--ppe-navy);
  border-radius: 6px;
  background: #fff;
  color: var(--ppe-navy);
  cursor: pointer;
  font-family: "Montserrat", "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  transition: background 0.15s, color 0.15s, transform 0.05s;
}
.card button:hover { background: var(--ppe-navy); color: #fff; }
.card button:active { transform: translateY(1px); }
.card button.primary {
  background: var(--ppe-accent);
  color: var(--ppe-navy);
  border-color: var(--ppe-accent);
}
.card button.primary:hover {
  background: var(--ppe-accent-2);
  border-color: var(--ppe-accent-2);
  color: #fff;
}
.card button:disabled { opacity: 0.5; cursor: not-allowed; }
.card .buttons button { min-width: 200px; }

/* ---------- Status / messages ---------- */
.status { font-size: 13px; margin-top: 10px; min-height: 18px; }
.status.success { color: var(--ppe-success); font-weight: 600; }
.status.error   { color: var(--ppe-error);   font-weight: 600; }
.status.info    { color: var(--ppe-info);    font-weight: 600; }

.hint  { color: var(--ppe-muted); font-size: 12.5px; margin: 6px 0 14px; }
.muted { color: var(--ppe-muted); font-size: 13px; }

/* ---------- Downloads ---------- */
.downloads { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.downloads a {
  display: inline-block;
  padding: 9px 14px;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #10b981;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
}
.downloads a:hover { background: #d1fae5; text-decoration: none; }

/* ---------- Preview ---------- */
.preview {
  border: 1px solid var(--ppe-border);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
  min-height: 220px;
  overflow: auto;
}
.preview svg { max-width: 100%; height: auto; }

.card hr { border: 0; border-top: 1px solid var(--ppe-border); margin: 18px 0; }

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  .card .buttons button { min-width: 100%; }
}