/* style.css — Bespoke FairShare Palette System */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700;800&family=Syne:wght@700;800&display=swap');

:root {
  --font-display: 'Syne', sans-serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* User Specified Custom Color Palette */
  --background: #100b0a;
  --canvas: #100b0a;
  --text: #efe8e6;
  --ink-pure: #efe8e6;
  --primary: #cfb7b0;
  --secondary: #446f55;
  --accent: #6a9aa4;

  /* Harmonized Surface Layers */
  --surface-base: #171110;
  --surface-raised: #211918;
  --surface-overlay: #2b211f;

  /* Refined Architectural Hairlines */
  --line-subtle: rgba(207, 183, 176, 0.1);
  --line-strong: rgba(207, 183, 176, 0.22);
  --line-dashed: rgba(207, 183, 176, 0.16);

  /* Status and Signal Accents */
  --signal-green: #568d6c;
  --signal-green-dim: rgba(86, 141, 108, 0.18);
  --signal-coral: #d96d5f;
  --signal-coral-dim: rgba(217, 109, 95, 0.18);
  --signal-volt: #cfb7b0;
  --signal-cyan: #6a9aa4;

  /* Typography Scale */
  --ink-secondary: #dcd3d0;
  --ink-muted: #a39591;
  --ink-faint: #615552;

  /* Radii */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

/* Custom Precision Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--surface-base);
}
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: var(--radius-xs);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

body {
  min-height: 100vh;
  width: 100%;
  background-color: var(--background);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(207, 183, 176, 0.04) 0%, transparent 60%),
    linear-gradient(to right, var(--line-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-subtle) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  background-position: center top;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* Typography Hierarchy */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

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

/* Layout Utilities */
.flex {
  display: flex;
  align-items: center;
  gap: 10px;
}
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.flex-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

/* App Master Shell */
.app {
  width: 1160px;
  max-width: 98%;
  height: 88vh;
  max-height: 920px;
  background: var(--surface-base);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 14px;
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 14px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.85);
}

.sidebar {
  padding: 16px;
  background: #130e0d;
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 12px 0 4px 6px;
}

.logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-subtle);
  margin-bottom: 8px;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink-secondary);
  padding: 9px 12px;
  border-radius: var(--radius-xs);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.15s ease;
  text-decoration: none;
}

.nav-btn:hover {
  background: rgba(207, 183, 176, 0.08);
  border-color: var(--line-strong);
  color: var(--text);
  transform: translateX(2px);
}

.nav-btn.active {
  background: var(--surface-raised);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 700;
}

.main {
  padding: 22px;
  background: #140e0d;
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-sm);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-subtle);
}

/* Stat & KPI Cards */
.stat-card {
  background: var(--surface-raised);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

/* Distinctive Button Matrix */
.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 18px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #100b0a;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
  background: #ded0cb;
  border-color: #ded0cb;
  box-shadow: 0 0 20px rgba(207, 183, 176, 0.35);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn.secondary {
  background: var(--surface-raised);
  border: 1px solid var(--line-strong);
  color: var(--text);
  box-shadow: none;
}

.btn.secondary:hover {
  background: rgba(207, 183, 176, 0.12);
  border-color: var(--text);
}

.btn.accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #100b0a;
}
.btn.accent:hover {
  background: #80acb6;
  border-color: #80acb6;
  box-shadow: 0 0 20px rgba(106, 154, 164, 0.35);
}

.btn.secondary-action {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #efe8e6;
}
.btn.secondary-action:hover {
  background: #538367;
  border-color: #538367;
  box-shadow: 0 0 20px rgba(68, 111, 85, 0.35);
}

.btn.danger {
  background: transparent;
  border-color: var(--signal-coral);
  color: var(--signal-coral);
}
.btn.danger:hover {
  background: var(--signal-coral-dim);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 11px;
}

/* Form Controls */
input, select, textarea {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line-strong);
  background: #110c0b;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  margin-top: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

/* Cards & Ledger Sheets */
.card {
  background: var(--surface-base);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  position: relative;
}

.group-card {
  background: var(--surface-raised);
  border: 1px solid var(--line-subtle);
  padding: 16px;
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, transform 0.15s;
}
.group-card:hover {
  border-color: var(--line-strong);
}

/* Balance & Transfer Items */
.balance-item {
  background: #120d0c;
  border: 1px solid var(--line-subtle);
  padding: 12px 14px;
  border-radius: var(--radius-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.transfer-card {
  background: #120d0c;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--secondary);
  padding: 12px 16px;
  border-radius: var(--radius-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line-strong);
  background: rgba(207, 183, 176, 0.05);
  color: var(--ink-secondary);
}

.negative {
  color: var(--signal-coral);
  font-family: var(--font-mono);
  font-weight: 700;
}

.positive {
  color: var(--signal-green);
  font-family: var(--font-mono);
  font-weight: 700;
}

.small-muted {
  font-size: 12px;
  color: var(--ink-muted);
}

.empty-state {
  text-align: center;
  padding: 36px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(207, 183, 176, 0.02);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-state-icon {
  font-size: 28px;
  color: var(--ink-muted);
}

/* Auth Cards */
.login-card {
  width: 420px;
  max-width: 95%;
  padding: 36px 32px;
  background: var(--surface-base);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 25px 60px rgba(0,0,0,0.85);
  position: relative;
}

.login-card::before {
  content: "// ACCESS CONTROL";
  position: absolute;
  top: -10px;
  left: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  background: var(--background);
  padding: 0 6px;
  color: var(--primary);
}

.links {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  font-size: 12px;
}

.links a {
  color: var(--ink-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color 0.15s;
}

.links a:hover {
  color: var(--primary);
}

/* Toast Notifications */
#toastContainer {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
}
.toast {
  background: #1b1413;
  border: 1px solid var(--primary);
  color: var(--text);
  padding: 12px 18px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.2s ease-out;
}
.toast.error {
  border-color: var(--signal-coral);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 90vh;
  }
}