/* ============================================================
   Brass Foundry — Stylesheet
   Aesthetic: Industrial warm brass / dark foundry
   Fonts: Syne (headings) + DM Sans (body)
   ============================================================ */

:root {
  --brass:       #C8922A;
  --brass-light: #E4B94A;
  --brass-dim:   #8B6218;
  --bg:          #0F0E0C;
  --bg2:         #181612;
  --bg3:         #221F19;
  --bg4:         #2D2920;
  --border:      #3A3428;
  --text:        #E8DFC8;
  --text-muted:  #8A8070;
  --text-dim:    #5A5448;
  --green:       #4CAF77;
  --red:         #E05555;
  --blue:        #5B8FE8;
  --sidebar-w:   240px;
  --radius:      10px;
  --radius-sm:   6px;
}

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

html { font-size: 15px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── App Shell ─────────────────────────────────────────────── */
.app-shell {
  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;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
}

.brand-icon {
  font-size: 24px;
  color: var(--brass);
  line-height: 1;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: var(--brass-light);
  letter-spacing: 0.03em;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 10px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 14px 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 400;
  transition: all 0.15s;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--bg3);
  color: var(--text);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(200,146,42,0.18), rgba(200,146,42,0.06));
  color: var(--brass-light);
  border-left: 2px solid var(--brass);
  padding-left: 10px;
}

.nav-icon {
  font-size: 14px;
  width: 18px;
  text-align: center;
  color: var(--brass-dim);
}

.nav-item.active .nav-icon { color: var(--brass); }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 34px; height: 34px;
  background: var(--brass-dim);
  color: var(--bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.logout-link {
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
}

.logout-link:hover { color: var(--red); }

/* ── Main Content ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 30px 32px;
  min-height: 100vh;
}

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
  margin-bottom: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 26px;
  color: var(--text);
  line-height: 1.1;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--brass-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--brass);
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
  line-height: 1.1;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

.stat-card.green::before { background: var(--green); }
.stat-card.red::before   { background: var(--red); }
.stat-card.blue::before  { background: var(--blue); }

/* ── Grid Layout ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

thead th {
  background: var(--bg3);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg3); }

tbody td {
  padding: 12px 16px;
  color: var(--text);
}

.td-muted { color: var(--text-muted) !important; font-size: 12px; }
.td-right { text-align: right; }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge-buy     { background: rgba(91,143,232,0.15); color: var(--blue); border: 1px solid rgba(91,143,232,0.3); }
.badge-sell    { background: rgba(76,175,119,0.15); color: var(--green); border: 1px solid rgba(76,175,119,0.3); }
.badge-exchange{ background: rgba(200,146,42,0.15); color: var(--brass); border: 1px solid rgba(200,146,42,0.3); }
.badge-in      { background: rgba(76,175,119,0.12); color: var(--green); border: 1px solid rgba(76,175,119,0.25); }
.badge-out     { background: rgba(224,85,85,0.12); color: var(--red); border: 1px solid rgba(224,85,85,0.25); }

/* ── Forms ─────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

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

.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
}

input, select, textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  padding: 9px 13px;
  transition: border-color 0.15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brass);
}

select option { background: var(--bg3); }
textarea { resize: vertical; min-height: 80px; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--brass);
  color: var(--bg);
}

.btn-primary:hover { background: var(--brass-light); }

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

.btn-outline:hover { border-color: var(--brass-dim); color: var(--text); }

.btn-danger {
  background: rgba(224,85,85,0.15);
  border: 1px solid rgba(224,85,85,0.3);
  color: var(--red);
}

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

.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ── Flash ─────────────────────────────────────────────────── */
.flash {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
  font-size: 14px;
  font-weight: 500;
}

.flash-success { background: rgba(76,175,119,0.12); color: var(--green); border: 1px solid rgba(76,175,119,0.25); }
.flash-error   { background: rgba(224,85,85,0.12);  color: var(--red);   border: 1px solid rgba(224,85,85,0.25); }
.flash-info    { background: rgba(91,143,232,0.12); color: var(--blue);  border: 1px solid rgba(91,143,232,0.25); }

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 22px 0;
}

/* ── Transaction item rows ─────────────────────────────────── */
.item-rows { display: flex; flex-direction: column; gap: 10px; }

.item-row {
  display: grid;
  grid-template-columns: 2fr 120px 120px 100px 30px;
  gap: 10px;
  align-items: end;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.remove-row-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  align-self: flex-end;
  transition: color 0.15s;
}

.remove-row-btn:hover { color: var(--red); }

.add-row-btn {
  background: var(--bg3);
  border: 1px dashed var(--brass-dim);
  color: var(--brass);
  border-radius: var(--radius-sm);
  padding: 10px;
  width: 100%;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  transition: all 0.15s;
  margin-top: 6px;
}

.add-row-btn:hover { background: rgba(200,146,42,0.08); border-color: var(--brass); }

/* ── Summary Box ───────────────────────────────────────────── */
.summary-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); }
.summary-val   { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 17px; color: var(--text); }
.summary-val.green { color: var(--green); }
.summary-val.red   { color: var(--red); }

/* ── Stock bars ────────────────────────────────────────────── */
.stock-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.stock-item:last-child { border-bottom: none; }

.stock-name {
  width: 130px;
  font-weight: 500;
  font-size: 14px;
}

.stock-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--bg4);
  border-radius: 3px;
  overflow: hidden;
}

.stock-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--brass-dim), var(--brass));
  border-radius: 3px;
  transition: width 0.5s ease;
}

.stock-kg {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--brass-light);
  min-width: 90px;
  text-align: right;
}

/* ── Login page ────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 44px 40px;
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-icon {
  font-size: 40px;
  color: var(--brass);
  display: block;
  margin-bottom: 8px;
}

.login-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--text);
}

.login-sub { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --sidebar-w: 200px; }
  .main-content { padding: 20px 16px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .item-row { grid-template-columns: 1fr 1fr; }
}

/* ── Misc ──────────────────────────────────────────────────── */
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-brass { color: var(--brass-light); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex  { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-dim);
  font-size: 14px;
}
.empty-state .empty-icon { font-size: 32px; margin-bottom: 10px; }

/* ── Type Banner (inward/outward indicator) ────────────────── */
.type-banner {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  border-left: 3px solid;
}

.type-banner-inward {
  background: rgba(76,175,119,0.10);
  color: var(--green);
  border-color: var(--green);
}

.type-banner-outward {
  background: rgba(224,85,85,0.10);
  color: var(--red);
  border-color: var(--red);
}

/* ── Updated item row (2-col, no direction/rate) ───────────── */
.item-row {
  display: grid;
  grid-template-columns: 2fr 160px 30px;
  gap: 10px;
  align-items: end;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

/* ── Badge colours for inward/outward ──────────────────────── */
.badge-inward  { background: rgba(76,175,119,0.15); color: var(--green); border: 1px solid rgba(76,175,119,0.3); }
.badge-outward { background: rgba(224,85,85,0.15);  color: var(--red);   border: 1px solid rgba(224,85,85,0.3); }