/* ============================================
   SPY COMMS - Master Reference & Builder Tool
   ============================================ */

:root {
  --primary: #1a1a2e;
  --secondary: #16213e;
  --accent: #0f3460;
  --highlight: #e94560;
  --gold: #f5a623;
  --text: #eaeaea;
  --text-muted: #9a9ab0;
  --card-bg: #1e2a45;
  --card-border: #2a3a5c;
  --input-bg: #111827;
  --success: #22c55e;
  --warning: #f59e0b;
  --tag-bg: #0f3460;
  --tag-border: #1e4d8c;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --transition: all 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background: var(--primary);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ---- HEADER ---- */
header {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  border-bottom: 2px solid var(--highlight);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
}

.header-left h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
}

.header-left h1 span {
  color: var(--highlight);
}

.header-left p {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 2px;
}

.header-badge {
  background: var(--highlight);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}

/* ---- TABS ---- */
.tabs {
  display: flex;
  background: var(--secondary);
  border-bottom: 1px solid var(--card-border);
  padding: 0 32px;
  gap: 4px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 14px 22px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  text-transform: uppercase;
}

.tab-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.tab-btn.active {
  color: var(--highlight);
  border-bottom-color: var(--highlight);
}

/* ---- MAIN CONTENT ---- */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ---- SECTION TITLES ---- */
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

/* ---- CARDS ---- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

/* ---- BUILDER ---- */
.builder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-group label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.field-group select,
.field-group input {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.9rem;
  padding: 10px 14px;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239a9ab0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.field-group input {
  background-image: none;
}

.field-group select:focus,
.field-group input:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 2px rgba(233,69,96,0.2);
}

.field-group select option {
  background: var(--input-bg);
  color: var(--text);
}

/* ---- OUTPUT BOX ---- */
.output-box {
  background: var(--input-bg);
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-top: 20px;
}

.output-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.output-subject {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--gold);
  word-break: break-all;
  min-height: 32px;
  letter-spacing: 0.5px;
}

.output-subject .code-tag {
  color: #7dd3fc;
}

.output-subject .date-part {
  color: var(--gold);
}

.output-subject .desc-part {
  color: #86efac;
}

.output-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-transform: uppercase;
}

.btn-primary {
  background: var(--highlight);
  color: #fff;
}

.btn-primary:hover {
  background: #c73652;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--accent);
  color: var(--text);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background: #1a4a80;
  transform: translateY(-1px);
}

.btn-success {
  background: #166534;
  color: #86efac;
  border: 1px solid #22c55e;
}

.btn-success:hover {
  background: #15803d;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ---- COPY FEEDBACK ---- */
.copy-feedback {
  font-size: 0.8rem;
  color: var(--success);
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.3s ease;
  align-self: center;
}

.copy-feedback.show {
  opacity: 1;
}

/* ---- DECODER ---- */
.decoder-input-wrap {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.decoder-input-wrap input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: var(--transition);
}

.decoder-input-wrap input:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 2px rgba(233,69,96,0.2);
}

.decoder-input-wrap input::placeholder {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.decoded-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.decoded-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
}

.decoded-item.found {
  border-left-color: var(--success);
}

.decoded-item.not-found {
  border-left-color: var(--warning);
}

.decoded-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: #7dd3fc;
  min-width: 120px;
  padding-top: 1px;
}

.decoded-info {
  flex: 1;
}

.decoded-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}

.decoded-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.decoded-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--tag-bg);
  color: var(--text-muted);
  border: 1px solid var(--tag-border);
  white-space: nowrap;
}

/* ---- REFERENCE SHEET ---- */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.ref-table th {
  background: var(--accent);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 8px 12px;
  text-align: left;
}

.ref-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(42,58,92,0.5);
  vertical-align: top;
}

.ref-table tr:last-child td {
  border-bottom: none;
}

.ref-table tr:hover td {
  background: rgba(255,255,255,0.03);
}

.ref-table .code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #7dd3fc;
  font-weight: 700;
  white-space: nowrap;
}

.ref-table .name {
  font-weight: 600;
  color: var(--text);
}

.ref-table .desc {
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* ---- SEARCH BAR ---- */
.search-wrap {
  position: relative;
  margin-bottom: 24px;
}

.search-wrap input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.95rem;
  padding: 12px 16px 12px 44px;
  transition: var(--transition);
}

.search-wrap input:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 2px rgba(233,69,96,0.2);
}

.search-wrap input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
}

/* ---- FORMAT GUIDE ---- */
.format-guide {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.format-guide .format-label {
  font-family: var(--font-main);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.format-guide .format-line {
  color: var(--gold);
  margin-bottom: 4px;
}

.format-guide .format-example {
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* ---- TAGS ---- */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.5px;
}

.tag-finance { background: #1e3a5f; color: #7dd3fc; border: 1px solid #2563eb; }
.tag-projects { background: #1a3a2a; color: #86efac; border: 1px solid #22c55e; }
.tag-suppliers { background: #3a2a1a; color: #fcd34d; border: 1px solid #f59e0b; }
.tag-agreements { background: #3a1a2a; color: #f9a8d4; border: 1px solid #ec4899; }
.tag-internal { background: #2a1a3a; color: #c4b5fd; border: 1px solid #8b5cf6; }
.tag-archive { background: #2a2a2a; color: #9ca3af; border: 1px solid #6b7280; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  header { padding: 16px 20px; flex-direction: column; gap: 12px; text-align: center; }
  .tabs { padding: 0 16px; overflow-x: auto; }
  .main { padding: 20px 16px; }
  .builder-grid { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr; }
  .decoder-input-wrap { flex-direction: column; }
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--highlight); }

/* ---- UTILITIES ---- */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.text-muted { color: var(--text-muted); font-size: 0.82rem; }
.text-mono { font-family: var(--font-mono); }
.highlight { color: var(--highlight); }
.gold { color: var(--gold); }