@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-primary:      #4466FB;
  --color-primary-dark: #2244D9;
  --color-primary-light:#EEF1FF;
  --color-dark:         #0D1117;
  --color-mid:          #1C2333;
  --color-sidebar-bg:   #0D1117;
  --color-light:        #F6F8FA;
  --color-white:        #FFFFFF;
  --color-border:       #D0D7DE;
  --color-success:      #1A7F37;
  --color-warning:      #9A6700;
  --color-danger:       #CF222E;
  --color-muted:        #57606A;
}

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

body {
  font-family: 'Manrope', sans-serif;
  background: var(--color-light);
  color: var(--color-dark);
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: 220px;
  min-height: 100vh;
  background: var(--color-sidebar-bg);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 0 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo img { width: 120px; }

.sidebar-logo .app-name {
  color: var(--color-white);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  margin-top: 8px;
  opacity: 0.7;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sidebar nav { flex: 1; padding: 16px 0; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(255,255,255,0.07);
  color: var(--color-white);
  border-left-color: var(--color-primary);
}

.sidebar nav a svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.sidebar-footer .user-name {
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

.sidebar-footer a { color: rgba(255,255,255,0.4); text-decoration: none; }
.sidebar-footer a:hover { color: var(--color-primary); }

/* ── Main content ────────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-header h1 {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
}

.page-body { padding: 32px; overflow-y: auto; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}

.card-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-dark);
}

/* ── Stat tiles ──────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }

.stat-tile {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}

.stat-tile .stat-value {
  font-family: 'DM Sans', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-tile .stat-label {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 4px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.15s;
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-ghost:hover { background: rgba(227,24,55,0.06); }

.btn-sm { padding: 5px 12px; font-size: 12px; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-success { background: var(--color-success); color: #fff; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--color-dark); }
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: 'Manrope', sans-serif;
  background: var(--color-white);
  transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--color-primary); }

/* ── Table ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 14px; font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-muted); border-bottom: 2px solid var(--color-border); }
td { padding: 10px 14px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.badge-green  { background: #d4edda; color: #155724; }
.badge-amber  { background: #fff3cd; color: #856404; }
.badge-red    { background: #f8d7da; color: #721c24; }
.badge-blue   { background: #cce5ff; color: #004085; }
.badge-grey   { background: #e9ecef; color: #495057; }

/* ── Search bar ──────────────────────────────────────────── */
.search-wrap { max-width: 700px; margin: 0 auto; }
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.search-bar input {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 16px;
  font-family: 'Manrope', sans-serif;
  transition: border-color 0.15s;
}
.search-bar input:focus { outline: none; border-color: var(--color-primary); }
.search-bar button { white-space: nowrap; font-size: 15px; padding: 14px 28px; }

/* ── Result block ────────────────────────────────────────── */
.result-block {
  background: var(--color-dark);
  color: #e8e8f0;
  border-radius: 10px;
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  position: relative;
  margin-bottom: 20px;
}

.copy-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s;
}
.copy-btn:hover { background: rgba(255,255,255,0.2); }
.copy-btn.copied { background: var(--color-success); color: #fff; }

/* ── Margin slider ───────────────────────────────────────── */
.margin-calc {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}
.margin-calc .calc-title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 16px;
}
.margin-slider-row { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.margin-slider-row input[type=range] { flex: 1; accent-color: var(--color-primary); }
.margin-pct-label { font-size: 22px; font-weight: 700; color: var(--color-primary); min-width: 50px; }
.margin-prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.price-pill {
  background: var(--color-light);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}
.price-pill .price-val {
  font-family: 'DM Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
}
.price-pill .price-label { font-size: 11px; color: var(--color-muted); margin-top: 2px; }

/* ── Recent queries sidebar ──────────────────────────────── */
.page-with-sidebar { display: grid; grid-template-columns: 1fr 260px; gap: 24px; }
.recent-queries { position: sticky; top: 0; }
.recent-queries .rq-item {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  color: var(--color-muted);
  text-decoration: none;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.12s;
}
.recent-queries .rq-item:hover { background: var(--color-light); color: var(--color-dark); }

/* ── Flash messages ──────────────────────────────────────── */
.flash { padding: 12px 16px; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.flash-success { background: #d4edda; color: #155724; }
.flash-error   { background: #f8d7da; color: #721c24; }
.flash-info    { background: #cce5ff; color: #004085; }

/* ── Login page ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: var(--color-sidebar-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 48px 40px;
  width: 380px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.login-card img.logo { width: 140px; margin-bottom: 24px; }
.login-card h1 {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.login-card p { color: var(--color-muted); font-size: 14px; margin-bottom: 28px; }
.ms-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px;
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}
.ms-btn:hover { background: var(--color-mid); }
.login-error {
  background: #f8d7da;
  color: #721c24;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* ── Pagination ──────────────────────────────────────────── */
.pagination { display: flex; gap: 6px; margin-top: 16px; }
.pagination a, .pagination span {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-dark);
}
.pagination a:hover { background: var(--color-light); }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ── Guided builder ──────────────────────────────────────── */
.guide-step { margin-bottom: 16px; }
.guide-label { font-size:13px; font-weight:700; color:var(--color-dark); margin-bottom:10px; }
.guide-chips { display:flex; flex-wrap:wrap; gap:8px; }
.chip {
  padding:7px 16px; border-radius:20px; border:1.5px solid var(--color-border);
  background:var(--color-white); font-size:13px; font-weight:500; cursor:pointer;
  color:var(--color-dark); transition:all 0.12s;
}
.chip:hover { border-color:var(--color-primary); color:var(--color-primary); background:var(--color-primary-light); }
.chip.active { border-color:var(--color-primary); background:var(--color-primary); color:#fff; }
.hidden { display:none !important; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .page-with-sidebar { grid-template-columns: 1fr; }
  .recent-queries { display: none; }
}