/* ==========================================================================
   ENTERPRISE ERP SIMULATOR - ULTRA-ELEGANT & CLEAN MODERN UI
   Executive Studio Minimalist Design (Apple Pro & Linear Aesthetic)
   100% Compatible with All System Roles, IDs, and Functions
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  /* --- LIGHT THEME (Executive Pearl & Radiant Slate) --- */
  --bg: #f8fafc;
  --bg-gradient: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.035) 0px, transparent 50%),
                 radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.035) 0px, transparent 50%),
                 #f8fafc;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-2: #f1f5f9;
  --surface-3: #e2e8f0;
  --border: #e2e8f0;
  --border-subtle: rgba(226, 232, 240, 0.7);
  --border-hover: #cbd5e1;

  --ink: #090d16;
  --ink-dim: #475569;
  --ink-faint: #94a3b8;

  --accent: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%);
  --accent-ink: #ffffff;
  --accent-soft: rgba(79, 70, 229, 0.08);
  --accent-soft-2: rgba(79, 70, 229, 0.16);
  --accent-glow: 0 0 20px -3px rgba(79, 70, 229, 0.3);

  --good: #059669;
  --good-soft: rgba(5, 150, 105, 0.08);
  --good-border: rgba(5, 150, 105, 0.25);

  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, 0.09);
  --warn-border: rgba(217, 119, 6, 0.28);

  --bad: #dc2626;
  --bad-soft: rgba(220, 38, 38, 0.09);
  --bad-border: rgba(220, 38, 38, 0.28);

  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 32px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;

  color-scheme: light;
}

:root[data-theme="dark"] {
  /* --- DARK THEME (Obsidian Space & Neon Accents) --- */
  --bg: #070a12;
  --bg-gradient: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.07) 0px, transparent 60%),
                 radial-gradient(at 100% 50%, rgba(56, 189, 248, 0.05) 0px, transparent 50%),
                 #070a12;
  --surface: rgba(15, 23, 42, 0.72);
  --surface-2: #141e30;
  --surface-3: #1e2c44;
  --border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-hover: rgba(255, 255, 255, 0.16);

  --ink: #f8fafc;
  --ink-dim: #94a3b8;
  --ink-faint: #64748b;

  --accent: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #38bdf8 100%);
  --accent-ink: #ffffff;
  --accent-soft: rgba(99, 102, 241, 0.14);
  --accent-soft-2: rgba(99, 102, 241, 0.26);
  --accent-glow: 0 0 24px -2px rgba(99, 102, 241, 0.35);

  --good: #34d399;
  --good-soft: rgba(52, 211, 153, 0.12);
  --good-border: rgba(52, 211, 153, 0.25);

  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.12);
  --warn-border: rgba(251, 191, 36, 0.25);

  --bad: #f87171;
  --bad-soft: rgba(248, 113, 113, 0.12);
  --bad-border: rgba(248, 113, 113, 0.25);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 20px -3px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.7);

  color-scheme: dark;
}

/* ==========================================================================
   RESET & GLOBAL TYPOGRAPHY
   ========================================================================== */

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

body {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.6;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.25;
}

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

/* ==========================================================================
   SIDEBAR RAIL (ELEGANT FLOATING DESIGN)
   ========================================================================== */

.rail {
  width: 290px;
  flex: 0 0 290px;
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  box-sizing: border-box;
  z-index: 40;
}

.brand {
  padding: 4px 12px 20px 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.brand .mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulseBrandDot 2.5s infinite ease-in-out;
}

@keyframes pulseBrandDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.brand span {
  font-size: 11.5px;
  color: var(--ink-faint);
  display: block;
  margin-top: 5px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* Navigation List */
.navlist {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  overflow-y: auto;
  padding-right: 2px;
}

.navbtn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.navbtn:hover {
  background: var(--surface-2);
  color: var(--ink);
  transform: translateX(3px);
}

.navbtn.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-soft-2);
  box-shadow: var(--shadow-sm);
}

.navbtn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3.5px;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.navbtn .num {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--surface-2);
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
  transition: all 0.2s ease;
  border: 1px solid var(--border-subtle);
}

.navbtn.active .num {
  background: var(--accent-gradient);
  color: var(--accent-ink);
  border-color: transparent;
  box-shadow: var(--accent-glow);
}

.navbtn .label b {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: inherit;
  letter-spacing: -0.01em;
}

.navbtn .label small {
  display: block;
  font-size: 11px;
  color: var(--ink-faint);
  font-weight: 400;
  margin-top: 1px;
}

.navbtn.active .label small {
  color: var(--accent);
  opacity: 0.9;
}

/* Sidebar Footer & Control Buttons */
.railfoot {
  margin-top: auto;
  padding: 14px 10px 4px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11.5px;
  color: var(--ink-faint);
  line-height: 1.45;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shortcut-pill {
  font-size: 10.5px;
  color: var(--ink-faint);
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  text-align: center;
}

.shortcut-pill b {
  color: var(--accent);
  font-family: var(--font-mono);
}

.sqlbtn {
  width: 100%;
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--ink-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.sqlbtn:hover {
  background: var(--surface-3);
  color: var(--ink);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.themebtn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  gap: 8px;
  align-items: center;
  width: 100%;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.themebtn:hover {
  background: var(--surface-3);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* Mobile top tab bar */
.railtabs {
  display: none;
}

/* ==========================================================================
   MAIN WORKSPACE & PANELS
   ========================================================================== */

main {
  flex: 1 1 auto;
  min-width: 0;
  padding: 36px 48px 90px 48px;
}

.panel {
  display: none;
  max-width: 1040px;
}

.panel.active {
  display: block;
  animation: panelSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes panelSlideUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.phead {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft-2);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-weight: 600;
}

.phead h1 {
  font-size: 26px;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  color: var(--ink);
}

.phead p {
  color: var(--ink-dim);
  font-size: 14px;
  max-width: 76ch;
  line-height: 1.65;
}

/* ==========================================================================
   CARDS & CONTAINERS
   ========================================================================== */

.card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  font-size: 15.5px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.card h3 .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink-dim);
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 500;
}

.card p.note {
  font-size: 12.8px;
  color: var(--ink-dim);
  margin-top: 12px;
  line-height: 1.55;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.subgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}

.stat {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: var(--surface-2);
  transition: all 0.2s ease;
}

.stat:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.stat .l {
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat .v {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  margin-top: 5px;
  color: var(--ink);
}

/* ==========================================================================
   DATA TABLES
   ========================================================================== */

.scroll-x {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

table.data th {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  font-weight: 600;
  padding: 11px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table.data td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}

table.data tr:last-child td {
  border-bottom: none;
}

table.data tr:hover td {
  background: var(--surface-2);
}

table.data td.num, table.data th.num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

table.data td.mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

/* Matrix Table */
.matrix td, .matrix th {
  text-align: center;
}

.matrix th:first-child, .matrix td:first-child {
  text-align: left;
}

.dotcell {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease;
}

.dotcell:hover {
  transform: scale(1.3);
}

.legend {
  display: flex;
  gap: 18px;
  font-size: 12px;
  color: var(--ink-dim);
  margin-top: 12px;
  flex-wrap: wrap;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

/* ==========================================================================
   DIAGRAMS & PROCESS FLOWPIPES
   ========================================================================== */

.diagram {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.dbox {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 12px 22px;
  text-align: center;
  font-size: 13px;
  min-width: 230px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.dbox:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.dbox.hi {
  border-color: var(--warn);
  background: var(--warn-soft);
  color: var(--warn);
  font-weight: 700;
  box-shadow: 0 0 20px -3px var(--warn-border);
}

.dbox b {
  display: block;
  font-size: 13.5px;
}

.dbox small {
  font-size: 11px;
  color: var(--ink-faint);
}

.darrow {
  color: var(--ink-faint);
  font-size: 19px;
  padding: 4px 0;
}

.drow {
  display: flex;
  gap: 18px;
}

/* Flow Nodes */
.flow {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.fstep {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  background: var(--surface-2);
  min-width: 130px;
  font-size: 12.8px;
  text-align: center;
  line-height: 1.4;
  transition: all 0.2s ease;
}

.fstep:hover {
  border-color: var(--border-hover);
  background: var(--surface);
  transform: translateY(-2px);
}

.fstep b {
  display: block;
  font-size: 13.5px;
  margin-bottom: 2px;
}

.fstep.risk {
  border-color: var(--warn);
  background: var(--warn-soft);
  color: var(--warn);
  font-weight: 600;
}

.fstep.main {
  border-color: transparent;
  background: var(--accent-gradient);
  color: var(--accent-ink);
  font-weight: 700;
  box-shadow: var(--accent-glow);
}

.farrow {
  color: var(--ink-faint);
  font-size: 17px;
  flex: 0 0 auto;
}

.flow.vert {
  flex-direction: column;
  align-items: stretch;
}

.flow.vert .fstep {
  min-width: 0;
}

.flow.vert .farrow {
  align-self: center;
}

/* ==========================================================================
   FORMS, BUTTONS & SEGMENTED CONTROLS
   ========================================================================== */

.formrow {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-end;
}

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

.field label {
  font-size: 12px;
  color: var(--ink-dim);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.field input, .field select {
  font: inherit;
  font-size: 13.5px;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  min-width: 170px;
  outline: none;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.field input:focus, .field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Modern Gradient Buttons */
.btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--accent-gradient);
  color: var(--accent-ink);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  box-shadow: var(--accent-glow);
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn:active {
  transform: scale(0.98);
}

.btn.ghost {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--accent);
}

.btn.ghost:hover {
  background: var(--surface-3);
  border-color: var(--border-hover);
  box-shadow: none;
}

.btn.warn {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #fff;
}

.btn.warn:hover {
  box-shadow: 0 0 20px -2px rgba(239, 68, 68, 0.4);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
  transform: none;
  box-shadow: none;
}

.checkline {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--ink-dim);
  cursor: pointer;
}

input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  cursor: pointer;
  border-radius: 4px;
}

/* Tab Bar / Segmented Controls */
.tabbar {
  display: inline-flex;
  background: var(--surface-2);
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--border);
  gap: 4px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.tabbtn {
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tabbtn:hover {
  color: var(--ink);
}

.tabbtn.active {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

/* Result Boxes */
.resultbox {
  margin-top: 16px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 13.2px;
  background: var(--surface-2);
  transition: all 0.2s ease;
  line-height: 1.6;
}

.resultbox.show {
  border-style: solid;
  box-shadow: var(--shadow-sm);
}

.resultbox.ok {
  border-color: var(--good-border);
  border-left: 4px solid var(--good);
  background: var(--good-soft);
}

.resultbox.bad {
  border-color: var(--bad-border);
  border-left: 4px solid var(--bad);
  background: var(--bad-soft);
}

.resultbox.warn {
  border-color: var(--warn-border);
  border-left: 4px solid var(--warn);
  background: var(--warn-soft);
}

.kv {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
  font-size: 13.2px;
}

.kv b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.pill.risk { background: var(--warn-soft); color: var(--warn); border: 1px solid var(--warn-border); }
.pill.ok   { background: var(--good-soft); color: var(--good); border: 1px solid var(--good-border); }
.pill.bad  { background: var(--bad-soft);  color: var(--bad);  border: 1px solid var(--bad-border); }

ul.rules {
  margin: 0;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.7;
}

ul.rules li {
  margin-bottom: 8px;
}

.loglist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12.5px;
  max-height: 190px;
  overflow-y: auto;
}

.logitem {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.flex {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.hint {
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* ==========================================================================
   RESPONSIVENESS (MOBILE / TABLET)
   ========================================================================== */

@media (max-width: 880px) {
  .rail {
    display: none;
  }
  .railtabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .railtabs button {
    flex: 0 0 auto;
    font-size: 12.5px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--ink-dim);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .railtabs button.active {
    background: var(--accent-gradient);
    color: var(--accent-ink);
    border-color: transparent;
    box-shadow: var(--accent-glow);
  }
  main {
    padding: 24px 18px 70px 18px;
  }
  .drow {
    flex-direction: column;
  }
  .grid2 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SQL & SYSTEM QUERY INSPECTOR DRAWER
   ========================================================================== */

.sql-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #090d16;
  color: #f1f5f9;
  border-top: 2px solid var(--accent);
  box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  transform: translateY(105%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-mono);
}

.sql-drawer.open {
  transform: translateY(0);
}

.sql-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: #0f172a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sql-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: #e2e8f0;
}

.sql-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.sql-actions {
  display: flex;
  gap: 8px;
}

.sql-drawer-body {
  max-height: 230px;
  overflow-y: auto;
  padding: 14px 20px;
  font-size: 12px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sql-entry {
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--accent);
  word-break: break-word;
}

.sql-entry.comment {
  border-left-color: #64748b;
  color: #94a3b8;
  font-style: italic;
}

.sql-entry .sql-badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 700;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
  margin-right: 8px;
  text-transform: uppercase;
}

.sql-entry .sql-time {
  color: #64748b;
  font-size: 10.5px;
  margin-right: 8px;
}

.sql-entry .sql-query {
  color: #38bdf8;
  font-weight: 500;
}

.sql-entry .sql-desc {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  margin-top: 3px;
  font-family: var(--font-body);
}