:root {
  --navy-900: #0F2136;
  --navy-800: #16304C;
  --navy-700: #1E4066;
  --accent: #C99A3E;
  --accent-hover: #DDB05C;
  --bg-app: #F4F6F8;
  --bg-card: #FFFFFF;
  --border: #E2E6EA;
  --text-primary: #1B2733;
  --text-secondary: #5C6B7A;
  --text-on-dark: #E8EDF2;
  --text-on-dark-muted: #9FB0C0;
  --success: #2E7D5B;
  --warning: #B8860B;
  --danger: #B3402B;
  --info: #2E6DA4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg-app);
  color: var(--text-primary);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
}

a { color: inherit; }

h1, h2, h3 { margin: 0; }

/* ---- Shell / sidebar ---- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--navy-900);
  color: var(--text-on-dark);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
}

.sidebar-brand img { height: 34px; width: auto; }
.sidebar-brand-name { font-size: 14px; font-weight: 600; line-height: 1.25; }
.sidebar-brand-sub { font-size: 9.5px; color: var(--text-on-dark-muted); margin-top: 2px; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 12px;
}

.sidebar-section-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-on-dark-muted);
  padding: 16px 20px 4px 20px;
}

.sidebar-link {
  display: block;
  padding: 9px 20px;
  font-size: 13px;
  color: var(--text-on-dark-muted);
  text-decoration: none;
  border-left: 3px solid transparent;
}

.sidebar-link:hover { background: var(--navy-800); color: var(--text-on-dark); }

.sidebar-link.active {
  background: var(--navy-700);
  color: var(--text-on-dark);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* ---- Main column ---- */
.main-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 56px;
  flex-shrink: 0;
}

.topbar .spacer { flex: 1; }

.topbar .user-info {
  color: var(--text-secondary);
  font-size: 12px;
  margin-right: 14px;
}

.topbar .logout-link {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
}

.topbar .logout-link:hover { border-color: var(--accent); }

.topbar .notif-center-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 14px;
  margin-right: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  transition: border-color .15s ease, background .15s ease;
}

.topbar .notif-center-btn:hover { border-color: var(--accent); background: var(--bg-app); }
.topbar .notif-center-icon { width: 16px; height: 16px; flex-shrink: 0; color: var(--text-secondary); }

.topbar .notif-badge {
  position: absolute;
  top: -7px;
  right: -7px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  box-shadow: 0 0 0 2px var(--bg-card);
}

.content {
  flex: 1;
  padding: 24px 28px;
}

.page-title {
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 6px 0;
}

.page-hint {
  color: var(--text-secondary);
  margin: 0 0 20px 0;
}

/* ---- Flash messages ---- */
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
}
.flash-success { background: #E4F2EA; color: var(--success); }
.flash-error { background: #FBEEEA; color: var(--danger); }
.flash-warning { background: #FDF1E4; color: var(--warning); }
.flash-info { background: #EAF0F8; color: var(--info); }

/* ---- Cards / stats ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card .value { font-size: 26px; font-weight: 700; color: var(--navy-900); }
.stat-card .label {
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.4px;
  color: var(--text-secondary); text-transform: uppercase; margin-top: 4px;
}

/* ---- Tables ---- */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

table.data-table th {
  text-align: left;
  background: var(--bg-app);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11.5px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
}

table.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: #FAFBFC; }

/* ---- Header row (title + actions) ---- */
.page-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.page-header-row .spacer { flex: 1; }

/* ---- Forms ---- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.field { margin-bottom: 12px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-card);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 60px; }

.search-input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  min-width: 240px;
}
.search-input:focus { outline: none; border-color: var(--accent); }

select.filter-select {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-card);
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); }

.btn-primary { background: var(--navy-800); color: var(--text-on-dark); border: none; font-weight: 600; }
.btn-primary:hover { background: var(--navy-700); }

.btn-accent { background: var(--accent); color: var(--navy-900); border: none; font-weight: 600; }
.btn-accent:hover { background: var(--accent-hover); }

.btn-danger { background: var(--bg-card); color: var(--danger); border: 1px solid #EFC9BE; font-weight: 600; padding: 5px 10px; font-size: 12px; }
.btn-danger:hover { background: #FBEEEA; border-color: var(--danger); }

.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  border-radius: 4px;
  padding: 2px 8px;
  font-weight: 600;
  font-size: 11px;
}
.badge-verified { background: #E4F2EA; color: var(--success); }
.badge-historical { background: #EAEEF2; color: var(--text-secondary); }
.badge-external { background: #FDF1E4; color: var(--warning); }
.badge-estimated { background: #EAF0F8; color: var(--info); }
.badge-manual { background: #F5EFE0; color: #8A6D1D; }

/* ---- Login page ---- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-app);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 380px;
  padding: 36px 36px 28px 36px;
  box-shadow: 0 4px 24px rgba(15, 33, 54, 0.08);
}

.login-card img.logo { display: block; height: 64px; margin: 0 auto 16px auto; }
.login-card h1 { font-size: 22px; font-weight: 700; text-align: center; }
.login-card .subtitle { color: var(--text-secondary); font-size: 12px; text-align: center; margin: 4px 0 20px 0; }

.error-message { color: var(--danger); font-size: 12px; margin-bottom: 12px; min-height: 16px; }
.error-message a { color: var(--danger); text-decoration: underline; }

.login-register-link { text-align: center; font-size: 12.5px; color: var(--text-secondary); margin-top: 14px; }
.login-register-link a { color: var(--info); font-weight: 600; text-decoration: none; }
.login-register-link a:hover { text-decoration: underline; }

.login-copyright { color: #9AA7B2; font-size: 10.5px; text-align: center; margin-top: 18px; }

/* ---- 403 / error pages ---- */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}
.error-page h1 { color: var(--danger); }
.error-page p { color: var(--text-secondary); margin: 0; }
.error-page a { color: var(--info); margin-top: 12px; }

/* ---- Misc ---- */
.hint-box {
  background: #FBF1DC;
  border: 1px solid #E9D9AE;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}
.warning-box {
  background: #FDF1E4;
  color: var(--warning);
  border-radius: 6px;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 16px;
}
.text-muted { color: var(--text-secondary); }
.mb-0 { margin-bottom: 0; }

/* ---- Modal (e.g. the estimate line-item "Find in Database" picker) ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 33, 54, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 8vh 16px;
  z-index: 1000;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px 22px;
  width: 680px;
  max-width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 12px 40px rgba(15, 33, 54, 0.25);
}