/* MTH SEARCH — Web App Design System */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:      #050808;
  --bg2:     #0d1214;
  --bg3:     #111718;
  --bg4:     #1a2124;
  --orange:  #fc602e;
  --orange-dark: #e04e20;
  --white:   #ffffff;
  --gray:    #566165;
  --gray-light: #4c5b68;
  --text:    #ebebeb;
  --border:  rgba(255,255,255,0.08);
  --border-orange: rgba(252,96,46,0.25);
  --green:   #4ade80;
  --red:     #f87171;
  --sidebar-w: 240px;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--gray); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--orange); }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
  transition: transform 0.3s;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.sidebar-logo img { width: 36px; height: 36px; object-fit: contain; }
.sidebar-logo-text { font-size: 15px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.sidebar-logo-text span { color: var(--orange); }

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.nav-section { margin-bottom: 24px; }
.nav-section-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--gray); padding: 0 8px;
  margin-bottom: 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 6px;
  font-size: 13px; font-weight: 500; color: var(--gray);
  transition: all 0.15s; margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.nav-item.active {
  background: rgba(252,96,46,0.12);
  color: var(--orange);
  border: 1px solid rgba(252,96,46,0.2);
}
.nav-item .icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.nav-item.active .icon { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--orange); color: #fff;
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 10px;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 10px; border-radius: 8px;
  background: var(--bg3);
}
.sidebar-user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--orange); display: flex; align-items: center;
  justify-content: center; font-size: 13px; font-weight: 700;
  flex-shrink: 0;
}
.sidebar-user-name { font-size: 13px; font-weight: 600; flex: 1; min-width: 0; truncate: ellipsis; overflow: hidden; white-space: nowrap; }
.sidebar-user-role { font-size: 11px; color: var(--gray); }
.sidebar-logout { font-size: 12px; color: var(--gray); transition: color 0.15s; }
.sidebar-logout:hover { color: var(--orange); }

/* ── Main content ──────────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 56px;
  background: rgba(5,8,8,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 40;
}
.topbar-title { font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-time { font-size: 12px; color: var(--gray); }

.page-content {
  flex: 1;
  padding: 28px;
  max-width: 1200px;
  width: 100%;
}

/* ── Page header ──────────────────────────────────────────────────────────── */
.page-header { margin-bottom: 28px; }
.page-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--orange); margin-bottom: 6px;
}
.page-title {
  font-size: 26px; font-weight: 800; text-transform: uppercase;
  letter-spacing: -0.01em;
}
.page-subtitle { font-size: 14px; color: var(--gray); margin-top: 4px; }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.card-title {
  font-size: 13px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--gray); margin-bottom: 16px;
}

/* ── Stat cards ────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  transition: border-color 0.2s, transform 0.2s;
}
.stat-card:hover { border-color: var(--border-orange); transform: translateY(-2px); }
.stat-card-icon {
  width: 40px; height: 40px;
  background: rgba(252,96,46,0.1); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 12px;
}
.stat-card-value { font-size: 28px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-card-value span { color: var(--orange); }
.stat-card-label { font-size: 12px; color: var(--gray); text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 6px;
  font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em;
  transition: all 0.15s; border: none;
}
.btn-primary {
  background: var(--orange); color: #fff;
  box-shadow: 0 4px 14px rgba(252,96,46,0.3);
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-1px); }
.btn-secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-orange); color: var(--orange); }
.btn-ghost { background: transparent; color: var(--gray); }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.btn-danger { background: rgba(248,113,113,0.1); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.btn-danger:hover { background: rgba(248,113,113,0.2); }
.btn-lg { padding: 13px 28px; font-size: 14px; }
.btn-sm { padding: 6px 14px; font-size: 11px; }
.btn-full { width: 100%; justify-content: center; }

/* ── Forms ─────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--gray); margin-bottom: 8px;
}
.form-input {
  width: 100%; padding: 11px 14px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 14px;
  transition: border-color 0.15s;
  outline: none;
}
.form-input:focus { border-color: var(--orange); }
.form-input::placeholder { color: var(--gray); }
.form-input[type="file"] { padding: 10px 14px; cursor: pointer; }
.form-hint { font-size: 12px; color: var(--gray); margin-top: 5px; }

.search-bar {
  display: flex; gap: 12px; align-items: flex-start;
}
.search-bar .form-input { flex: 1; font-size: 15px; padding: 13px 16px; }

/* ── Tables ────────────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.table-header {
  background: var(--bg4);
  padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.table-header-title {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--gray);
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: 12px 16px; text-align: left;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--gray); border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.data-table td {
  padding: 12px 16px; font-size: 13px; color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.1s;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table td.orange { color: var(--orange); font-weight: 600; }
.data-table td.green { color: var(--green); }
.data-table td.gray { color: var(--gray); }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-orange { background: rgba(252,96,46,0.12); border: 1px solid rgba(252,96,46,0.3); color: var(--orange); }
.badge-green  { background: rgba(74,222,128,0.12); border: 1px solid rgba(74,222,128,0.3); color: var(--green); }
.badge-gray   { background: rgba(255,255,255,0.06); border: 1px solid var(--border); color: var(--gray); }
.badge-red    { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.3); color: var(--red); }

/* ── Alerts ────────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: 6px;
  font-size: 13px; margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.alert-error { background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.25); color: var(--red); }
.alert-success { background: rgba(74,222,128,0.1); border: 1px solid rgba(74,222,128,0.25); color: var(--green); }
.alert-info { background: rgba(252,96,46,0.08); border: 1px solid var(--border-orange); color: var(--orange); }

/* ── Upload zone ───────────────────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--orange);
  background: rgba(252,96,46,0.04);
}
.upload-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
  width: 100%; height: 100%;
}
.upload-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.6; }
.upload-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.upload-hint { font-size: 13px; color: var(--gray); }

/* ── Results panel ──────────────────────────────────────────────────────────── */
.results-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; flex-wrap: wrap; gap: 12px;
}
.results-count {
  font-size: 20px; font-weight: 800;
}
.results-count span { color: var(--orange); }

/* ── Progress / spinner ─────────────────────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(5,8,8,0.8);
  backdrop-filter: blur(4px);
  z-index: 9999;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 16px;
}
.loading-overlay.visible { display: flex; }
.loading-text { font-size: 15px; font-weight: 600; color: var(--text); }

/* ── Login page ─────────────────────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  position: relative; overflow: hidden;
}
.auth-page::before {
  content: '';
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 500px;
  background: radial-gradient(ellipse, rgba(252,96,46,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.auth-page::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(252,96,46,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(252,96,46,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.auth-box {
  width: 100%; max-width: 420px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px;
  position: relative; z-index: 1;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.auth-logo {
  display: flex; align-items: center; gap: 10px;
  justify-content: center; margin-bottom: 28px;
}
.auth-logo img { width: 40px; height: 40px; object-fit: contain; }
.auth-logo-text { font-size: 17px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.auth-title { font-size: 20px; font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; margin-bottom: 6px; }
.auth-subtitle { font-size: 13px; color: var(--gray); margin-bottom: 28px; }
.auth-divider { text-align: center; font-size: 12px; color: var(--gray); margin: 16px 0; }
.auth-link { color: var(--orange); transition: opacity 0.15s; }
.auth-link:hover { opacity: 0.8; }

/* ── Metal results ──────────────────────────────────────────────────────────── */
.metal-summary {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 24px;
}
.metal-sum-card {
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  text-align: center;
}
.metal-sum-value { font-size: 26px; font-weight: 800; color: var(--orange); }
.metal-sum-label { font-size: 11px; color: var(--gray); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }

/* ── Grid helpers ───────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.text-gray { color: var(--gray); }
.text-orange { color: var(--orange); }
.text-green { color: var(--green); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; letter-spacing: 0.05em; }
.truncate { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }

/* ── Sidebar mobile toggle ──────────────────────────────────────────────────── */
.menu-toggle {
  display: none;
  background: none; border: none;
  color: var(--text); font-size: 20px;
  padding: 4px;
}

/* ── Empty state ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 24px; color: var(--gray);
}
.empty-state-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.empty-state-text { font-size: 14px; }

/* ── Morning queries list ───────────────────────────────────────────────────── */
.query-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg4); border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 12px;
  font-size: 13px; color: var(--text);
  transition: border-color 0.15s;
}
.query-tag:hover { border-color: var(--border-orange); }
.query-tag-remove { color: var(--gray); font-size: 14px; cursor: pointer; line-height: 1; }
.query-tag-remove:hover { color: var(--red); }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: block; }
  .page-content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .metal-summary { grid-template-columns: 1fr; }
  .search-bar { flex-direction: column; }
  .auth-box { margin: 16px; padding: 28px 24px; }
}