/* Deal Prajna LoI Generator — styles */

/* MSK-inspired palette: deep navy + warm cream + restrained gold + near-black */
:root {
  --c-bg:           #f5f3ec;   /* warm cream background, like MSK's site body */
  --c-panel:        #ffffff;   /* white cards */
  --c-panel-warm:   #fbf9f2;   /* slightly warm white for secondary surfaces */
  --c-text:         #14171f;   /* near-black for body */
  --c-muted:        #5d6068;   /* slate gray for secondary text */
  --c-line:         #e0ddd0;   /* warm beige divider */
  --c-line-strong:  #c9c4b0;
  --c-accent:       #14233f;   /* MSK navy — deep, almost ink-blue */
  --c-accent-hover: #1f3458;
  --c-accent-soft:  #1f2b40;
  --c-gold:         #b08a3b;   /* warm bronze accent */
  --c-gold-soft:    #c9a14a;
  --c-gold-bg:      #f3ebd0;   /* very pale gold tint for highlights */
  --c-warn:         #963131;
  --c-success:      #1f5234;
  --c-success-bg:   #ecf3ed;
  --c-required:     #b08a3b;
  --radius:         3px;       /* tight radius — MSK is conservative, not rounded */
  --shadow:         0 1px 2px rgba(20,23,31,.04), 0 2px 8px rgba(20,23,31,.04);
  --shadow-strong:  0 1px 3px rgba(20,23,31,.08), 0 6px 18px rgba(20,23,31,.08);
  --font-serif:     "Times New Roman", Georgia, "Garamond", serif;   /* serif for headings, like MSK */
  --font-sans:      "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--c-accent); }
.muted { color: var(--c-muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }
.spacer { flex: 1; }

/* ========= top bar ========= */
.topbar {
  background: var(--c-accent);
  color: #f5f3ec;
  border-bottom: 3px solid var(--c-gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  background: var(--c-gold);
  color: var(--c-accent);
  width: 44px;
  height: 44px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .03em;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .01em;
  color: #ffffff;
}
.brand-sub {
  font-size: 11px;
  color: var(--c-gold-soft);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.topnav { display: flex; gap: 4px; }
.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 18px;
  font: inherit;
  cursor: pointer;
  border-radius: 0;
  color: rgba(245, 243, 236, .75);
  letter-spacing: .04em;
  font-size: 13px;
  transition: color .15s, border-color .15s;
}
.nav-btn:hover { color: #ffffff; }
.nav-btn.active {
  background: transparent;
  color: #ffffff;
  border-bottom: 2px solid var(--c-gold);
}

/* ========= layout ========= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 32px 80px;
}
.tab { display: none; }
.tab.active { display: block; }

.page-head { margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--c-line); }
.page-head h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 30px;
  margin: 0 0 6px;
  color: var(--c-accent);
  letter-spacing: -.005em;
}
.page-head p { margin: 0; }

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
}
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .step-rail { position: relative !important; }
}

/* ========= step rail ========= */
.step-rail {
  position: sticky;
  top: 110px;
  align-self: start;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: 0;
  padding: 10px;
  box-shadow: var(--shadow);
}
.step-item {
  padding: 11px 12px;
  border-radius: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-muted);
  border-left: 3px solid transparent;
  transition: background .12s, color .12s, border-color .12s;
}
.step-item:hover { background: var(--c-panel-warm); color: var(--c-text); }
.step-item.active {
  background: var(--c-panel-warm);
  color: var(--c-accent);
  border-left-color: var(--c-gold);
  font-weight: 600;
}
.step-item.completed { color: var(--c-success); }
.step-num {
  width: 24px; height: 24px; border-radius: 0;
  background: var(--c-line); color: var(--c-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  flex-shrink: 0;
}
.step-item.active .step-num { background: var(--c-accent); color: var(--c-gold); }
.step-item.completed .step-num { background: var(--c-success); color: white; }
.step-item.completed .step-num::after { content: "✓"; }
.step-item.completed .step-num span { display: none; }

/* ========= form pane ========= */
.form-pane {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: 0;
  padding: 32px 36px;
  box-shadow: var(--shadow);
}
.form-section { display: none; }
.form-section.active { display: block; }
.form-section h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 24px;
  margin: 0 0 10px;
  color: var(--c-accent);
  letter-spacing: -.005em;
}
.form-section h2 .num {
  display: inline-block;
  background: var(--c-accent);
  color: var(--c-gold);
  padding: 2px 10px;
  border-radius: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-right: 12px;
  vertical-align: 3px;
}
.section-desc {
  color: var(--c-muted);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 14px;
  font-size: 13px;
}

.field { margin-bottom: 18px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 600px) {
  .field-row { grid-template-columns: 1fr; }
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 13px;
}
.field label .req {
  color: var(--c-required);
  font-weight: bold;
  margin-right: 4px;
}
.field label .opt {
  color: var(--c-muted);
  font-weight: normal;
  font-size: 11px;
  margin-left: 6px;
  font-style: italic;
}
.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field input[type="email"],
.field select,
.field textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--c-line-strong);
  border-radius: 0;
  font: inherit;
  background: var(--c-panel);
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--c-accent);
  background: white;
  outline: none;
  box-shadow: 0 0 0 2px rgba(20,35,63,.10);
}
.field textarea { min-height: 70px; resize: vertical; }
.field .hint {
  font-size: 12px;
  color: var(--c-muted);
  margin-top: 4px;
  font-style: italic;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--c-warn);
  background: #fff5f5;
}
.field-error {
  color: var(--c-warn);
  font-size: 12px;
  margin-top: 4px;
}

/* ========= buttons ========= */
.btn {
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary {
  background: var(--c-accent);
  color: #ffffff;
  border-color: var(--c-accent);
}
.btn-primary:hover:not(:disabled) {
  background: var(--c-accent-hover);
  border-color: var(--c-accent-hover);
}
.btn-secondary {
  background: var(--c-panel);
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.btn-secondary:hover {
  background: var(--c-accent);
  color: #ffffff;
}
.btn-ghost {
  background: transparent;
  color: var(--c-muted);
  border-color: var(--c-line-strong);
}
.btn-ghost:hover {
  background: var(--c-panel-warm);
  color: var(--c-text);
  border-color: var(--c-muted);
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
  align-items: center;
}

/* ========= status boxes ========= */
.validate-box, .status-box {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  border-left: 3px solid;
}
.box-ok { background: #f0f7f1; border-color: var(--c-success); color: #1f4828; }
.box-warn { background: #fff8eb; border-color: var(--c-gold); color: #6b4d1e; }
.box-error { background: #fdf0ee; border-color: var(--c-warn); color: #7a2424; }
.box-info { background: #f0f4fa; border-color: var(--c-accent); color: #1a2d52; }
.box-ok ul, .box-warn ul, .box-error ul { margin: 6px 0 0 18px; padding: 0; }

.missing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.missing-section {
  background: white;
  border: 1px solid #f0d6d2;
  border-radius: var(--radius);
  padding: 10px 12px;
}
.missing-section-name {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--c-warn);
  font-weight: 700;
  margin-bottom: 4px;
}
.missing-section ul {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  color: #5a2222;
}
.missing-section li { margin: 2px 0; }

/* Banner shown at the top of the form pane after Excel/dataroom import */
.import-banner {
  background: var(--c-success-bg);
  border: 1px solid #cfe0d4;
  border-left: 3px solid var(--c-success);
  border-radius: 0;
  padding: 12px 16px;
  margin-bottom: 22px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--c-success);
}
.import-banner.import-banner-warn {
  background: var(--c-gold-bg);
  border-color: var(--c-gold-soft);
  border-left-color: var(--c-gold);
  color: #6b4d1e;
}
.import-banner button { font-size: 12px; }

/* Field that was pre-filled from Excel/dataroom — subtle gold tint to indicate auto-fill */
.field.from-excel input,
.field.from-excel select,
.field.from-excel textarea {
  background: var(--c-gold-bg);
  border-color: var(--c-gold-soft);
}
.field.from-excel.has-error input,
.field.from-excel.has-error select,
.field.from-excel.has-error textarea {
  /* error styling wins */
  background: #fdf0ee;
  border-color: var(--c-warn);
}

/* ========= import options row ========= */
.import-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 720px) {
  .import-row { grid-template-columns: 1fr; }
}
.import-card {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-line-strong);
  border-radius: 0;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow);
}
.import-card-ai {
  background: linear-gradient(135deg, #fbf6e6 0%, #fefcf4 100%);
  border-top-color: var(--c-gold);
}
.import-card-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
}
.import-icon {
  font-size: 22px;
  line-height: 1;
  margin-top: 2px;
}
.import-card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.import-card code {
  background: var(--c-panel-warm);
  border: 1px solid var(--c-line);
  padding: 1px 6px;
  border-radius: 0;
  font-size: 12px;
  font-family: "SF Mono", Consolas, monospace;
}
.btn-sm { padding: 7px 16px; font-size: 12px; }
/* ========= BCA v2 — optional article toggles ========= */
.bca-v2-options {
  background: var(--c-panel-warm);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-gold);
  border-radius: 0;
  padding: 12px 16px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 13px;
}
.bca-v2-options label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--c-accent);
  cursor: pointer;
}
.bca-v2-options input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--c-accent);
  cursor: pointer;
}
.form-section.optional-section h2 .num,
.step-item.optional .step-num {
  background: var(--c-gold);
  color: var(--c-accent);
}
.hidden-section { display: none !important; }

/* ========= SPAC quick-fill (in-form, on SPAC section only) ========= */
.spac-quickfill {
  background: linear-gradient(135deg, #fbf6e6 0%, #fefcf4 100%);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-gold);
  border-radius: 0;
  padding: 16px 18px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.spac-quickfill-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
}
.spac-quickfill-icon {
  font-size: 22px;
  line-height: 1;
  margin-top: 2px;
}
.spac-quickfill-body {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.spac-quickfill-body input {
  flex: 0 0 160px;
  padding: 9px 11px;
  border: 1px solid var(--c-line-strong);
  border-radius: 0;
  font: inherit;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 13px;
  text-transform: uppercase;
  background: var(--c-panel);
  letter-spacing: .04em;
}
.spac-quickfill-body input:focus {
  border-color: var(--c-accent);
  outline: none;
  box-shadow: 0 0 0 2px rgba(20,35,63,.10);
}
.spac-quickfill-status {
  margin-top: 10px;
  padding: 9px 12px;
  border-radius: 0;
  font-size: 12px;
  border-left: 3px solid;
}
.spac-quickfill-status.info { background: #f0f4fa; border-color: var(--c-accent); color: #1a2d52; }
.spac-quickfill-status.ok { background: var(--c-success-bg); border-color: var(--c-success); color: var(--c-success); }
.spac-quickfill-status.warn { background: var(--c-gold-bg); border-color: var(--c-gold); color: #6b4d1e; }
.spac-quickfill-status.err { background: #fdf0ee; border-color: var(--c-warn); color: #7a2424; }

.extras-panel {
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--c-panel-warm);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-gold);
  border-radius: 0;
  font-size: 13px;
}
.extras-panel-head {
  font-weight: 700;
  color: var(--c-accent);
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.extras-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 6px 14px;
  margin: 0;
}
.extras-grid dt {
  font-size: 11px;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 600;
  margin-top: 4px;
}
.extras-grid dd {
  margin: 0 0 4px 0;
  font-weight: 600;
  color: var(--c-text);
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12.5px;
}

.import-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 10px 0 4px;
  border-top: 1px dashed rgba(31,82,52,.2);
  flex-wrap: wrap;
}
.import-details { margin-top: 10px; font-size: 12px; }
.import-details summary {
  cursor: pointer;
  color: var(--c-accent);
  font-weight: 600;
}
.import-details ul {
  margin: 8px 0 0 18px;
  padding: 0;
  font-family: "SF Mono", Consolas, monospace;
}
.import-details li { margin: 2px 0; }
.import-details code {
  background: var(--c-panel-warm);
  padding: 1px 4px;
  font-size: 11px;
}

/* ========= upload tab ========= */
.upload-card {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  max-width: 700px;
}
.drop-zone {
  border: 2px dashed var(--c-line);
  border-radius: var(--radius);
  padding: 50px 20px;
  text-align: center;
  margin: 20px 0;
  background: #fafaf8;
  transition: border-color .15s, background .15s;
  cursor: pointer;
}
.drop-zone.dragover {
  border-color: var(--c-accent);
  background: #f0f4fa;
}
.drop-icon { font-size: 36px; margin-bottom: 12px; opacity: .5; }
.link-btn {
  background: none;
  border: none;
  color: var(--c-accent);
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
  padding: 0;
}
.link { color: var(--c-accent); }

/* ========= prose ========= */
.prose {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  max-width: 750px;
  font-size: 15px;
  line-height: 1.7;
}
.prose h3 {
  font-family: var(--font-serif);
  font-weight: normal;
  margin-top: 22px;
}
.prose .warn {
  background: #fff5f0;
  border-left: 3px solid var(--c-warn);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 13px;
}
.prose code {
  background: #f0f0ed;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 13px;
}

/* ========= bottom bar ========= */
.bottombar {
  border-top: 3px solid var(--c-gold);
  background: var(--c-accent);
  padding: 18px 32px;
  font-size: 11px;
  color: rgba(245, 243, 236, .7);
  text-align: center;
  letter-spacing: .08em;
  text-transform: uppercase;
}