:root {
  /* 🌙 Deep Indigo Dark Theme (default) */
  --primary: #4F46E5;
  --accent: #4F46E5;
  --accent-hover: #4338CA;
  --success: #00E676;
  --danger: #ea5455;
  --text-primary: #FFFFFF;
  --text-secondary: #8F94B5;
  --border: rgba(255, 255, 255, 0.1);
  --bg: #15162B;
  --panel-bg: #20223E;
  --topnav-bg: #15162B;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --radius: 8px;
  --table-hover: rgba(255,255,255,0.05);
  --input-bg: #2A2C4E;

  /* Universal chart / accent palette */
  --chart-1: #FF2A7A;  /* Neon pink   */
  --chart-2: #FFD700;  /* Vibrant yellow */
  --chart-3: #00E676;  /* Bright green */
  --chart-4: #00D2FF;  /* Cyan        */
}

body.light-mode {
  /* ☀️ Light Theme */
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border: rgba(0, 0, 0, 0.08);
  --bg: #F3F4F6;
  --panel-bg: #FFFFFF;
  --topnav-bg: #15162B; /* Topnav stays deep indigo in light mode too */
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --table-hover: rgba(0,0,0,0.02);
  --input-bg: #FFFFFF;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  margin: 0; padding: 0; min-height: 100vh;
  display: flex; flex-direction: column;
}

[hidden] { display: none !important; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: flex; flex-direction: column; min-height: 100vh; width: 100%; }

/* Top Navigation */
.topnav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 60px;
  background: var(--topnav-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.brand { font-size: 1.2rem; font-weight: 800; letter-spacing: 0.5px; color: #fff; margin-right: 32px; display: flex; align-items: center; gap: 8px; }
.brand-title { color: #fff; }

.topnav-menu { display: flex; gap: 20px; align-items: center; flex: 1; }

.nav-dd { position: relative; }
.nav-top, .nav-item { 
  color: #e2e8f0; font-size: .85rem; font-weight: 600; cursor: pointer; padding: 18px 0; text-decoration: none;
  display: flex; align-items: center; gap: 6px;
}
.nav-top:hover, .nav-item:hover { color: #fff; }
.caret { display: inline-block; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 4px solid currentColor; vertical-align: middle; margin-left: 4px; }

.dd-menu {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  min-width: 200px; padding: 8px 0; z-index: 100;
}
.nav-dd:hover .dd-menu { display: block; }
.dd-menu .nav-item { display: block; padding: 10px 20px; font-size: .85rem; color: var(--text-primary); cursor: pointer; font-weight: 500; }
.dd-menu .nav-item:hover, .dd-menu .nav-item.active { background: var(--table-hover); color: var(--accent); }

.topnav-right { font-size: .8rem; font-weight: 500; display: flex; align-items: center; }
.theme-toggle { background: none; border: none; cursor: pointer; color: #cbd5e1; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; transition: background 0.2s; }
.theme-toggle:hover { background: rgba(255,255,255,0.1); color: #fff; }
.conn { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--danger); margin-right: 8px; }
.conn.on { background: var(--success); box-shadow: 0 0 8px var(--success); }

.main { flex: 1; padding: 16px 24px; max-width: 100%; box-sizing: border-box; }
.pagehead { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.pagehead h1 { margin: 0; font-size: 1.6rem; font-weight: 600; color: var(--text-primary); border-right: 1px solid var(--border); padding-right: 16px; margin-right: 16px; display: inline-block; vertical-align: middle; }
.page-sub { display: inline-block; font-size: .85rem; color: var(--text-secondary); font-weight: 500; vertical-align: middle; }
.pagehead-tools { display: flex; gap: 12px; align-items: center; }

/* Panels */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.panel-head { padding: 16px 24px; border-bottom: 1px solid var(--border); font-weight: 600; display: flex; justify-content: space-between; align-items: center; background: rgba(0,0,0,0.2); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th { text-align: left; padding: 12px 24px; font-weight: 600; color: var(--text-secondary); border-bottom: 1px solid var(--border); text-transform: uppercase; font-size: .75rem; letter-spacing: .5px; }
td { padding: 14px 24px; border-bottom: 1px solid var(--border); vertical-align: middle; color: #cbd5e1; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.03); }
tr.clickable { cursor: pointer; }

.num { text-align: right; font-feature-settings: "tnum"; font-weight: 500; }
.muted { color: var(--text-secondary); }

/* Forms & Buttons */
.form-control {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: .85rem; background: rgba(0,0,0,0.2); color: #fff; outline: none; transition: border-color .2s;
  font-family: inherit;
}
.form-control:focus { border-color: var(--accent); }
.form-control::placeholder { color: var(--text-secondary); }

select.form-control { appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 8px center; background-size: 16px; padding-right: 32px; }
select.form-control option { background: #1a1b2e; color: #fff; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 6px;
  background: rgba(255,255,255,0.05); color: #fff; font-size: .85rem; font-weight: 600;
  cursor: pointer; transition: all .2s; font-family: inherit;
}
.btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--accent); border: none; color: #fff; }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35); }

/* Badges */
.badge { display: inline-block; padding: 4px 8px; border-radius: 4px; font-size: .7rem; font-weight: 700; letter-spacing: .3px; text-transform: uppercase; }
.badge.neutral { background: rgba(148, 163, 184, 0.2); color: #cbd5e1; }
.badge.paid, .badge.completed, .badge.success { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge.cancel, .badge.danger { background: rgba(244, 63, 94, 0.2); color: #fb7185; }
.badge.pending, .badge.new, .badge.warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge.inproduction { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }

.pager { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 16px; border-top: 1px solid var(--border); font-size: .85rem; font-weight: 500; }

.empty, .loading { padding: 44px; text-align: center; color: var(--text-secondary); }

/* Drawer */
.drawer-backdrop { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 999; backdrop-filter: blur(4px); }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 600px; max-width: 100%; background: #1a1b2e; border-left: 1px solid var(--border); z-index: 1000; box-shadow: -8px 0 32px rgba(0,0,0,0.5); display: flex; flex-direction: column; overflow-y: auto; }
.drawer-head { padding: 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.drawer-head h2 { margin: 0; font-size: 1.2rem; }
.drawer-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-secondary); }
.drawer-body { padding: 24px; flex: 1; }
.doc-header { margin-bottom: 24px; }
.doc-row { display: flex; justify-content: space-between; margin-bottom: 8px; }
.doc-lbl { color: var(--text-secondary); font-size: .8rem; font-weight: 600; }
.doc-val { font-weight: 600; }
.doc-table { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 24px; }
.doc-table table { margin: 0; }
.doc-totals { width: 300px; margin-left: auto; }

/* Dashboard specifics (now merged for consistency) */
.dash-glass {
  background: var(--panel-bg);
  border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 24px; position: relative; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.dash-glass:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1); border: 1px solid var(--border); }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-bottom: 32px; }
.kpi-title { color: var(--text-secondary); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.kpi-icon { font-size: 1.2rem; padding: 8px; border-radius: 12px; background: rgba(0, 0, 0, 0.05); }
.kpi-val { font-size: 2.2rem; font-weight: 800; color: var(--text-primary); font-feature-settings: "tnum"; }
.dash-bento { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; margin-bottom: 32px; }
@media (max-width: 1024px) { .dash-bento { grid-template-columns: 1fr; } }
.dc-head-glass { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.dc-head-glass h3 { margin: 0; font-size: 1.1rem; font-weight: 700; letter-spacing: 0.5px; color: var(--text-primary); }