@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg: #0A0E1A;
  --bg2: #0F1526;
  --bg3: #141B2D;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --primary: #00E5A0;
  --primary-dark: #00B87A;
  --secondary: #7B61FF;
  --secondary-dark: #5A45D6;
  --danger: #FF4D6D;
  --warning: #FFB547;
  --info: #3B82F6;
  --text: #F0F4FF;
  --text2: #8892A4;
  --text3: #4A5568;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(0,229,160,0.15);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --sidebar-w: 260px;
  --font: 'Inter', sans-serif;
  --font-head: 'Space Grotesk', sans-serif;
}

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

html { scroll-behavior:smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color:inherit; text-decoration:none; }
button { cursor:pointer; font-family:var(--font); border:none; outline:none; }
input,select,textarea { font-family:var(--font); outline:none; }
img { max-width:100%; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--bg2); }
::-webkit-scrollbar-thumb { background:var(--border-hover); border-radius:3px; }

/* ── Layout ── */
.app-layout {
  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;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 24px 24px;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(0,229,160,0.3);
  flex-shrink: 0;
}

.logo-text { font-family:var(--font-head); font-size:16px; font-weight:700; }
.logo-text span { color:var(--primary); }

.sidebar-nav { flex:1; padding:16px 12px; }

.nav-section-label {
  font-size:10px; font-weight:600; letter-spacing:1.2px;
  text-transform:uppercase; color:var(--text3);
  padding: 12px 12px 6px;
}

.nav-item {
  display: flex; align-items: center; gap:12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-size:14px; font-weight:500;
  transition: all var(--transition);
  margin-bottom: 2px;
  position: relative;
}
.nav-item:hover { background:var(--surface-hover); color:var(--text); }
.nav-item.active {
  background: linear-gradient(135deg, rgba(0,229,160,0.12), rgba(123,97,255,0.08));
  color: var(--primary);
  box-shadow: inset 3px 0 0 var(--primary);
}
.nav-item .nav-icon { font-size:18px; width:20px; text-align:center; }
.nav-badge {
  margin-left:auto;
  background:var(--primary);
  color:var(--bg);
  font-size:10px; font-weight:700;
  padding:2px 7px; border-radius:20px;
}

.sidebar-user {
  padding:16px;
  border-top: 1px solid var(--border);
  display:flex; align-items:center; gap:12px;
}
.user-avatar {
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:14px; flex-shrink:0;
}
.user-info { flex:1; min-width:0; }
.user-name { font-size:13px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.user-uid { font-size:11px; color:var(--text2); font-family:monospace; }
.user-logout { color:var(--text3); font-size:18px; transition:color var(--transition); }
.user-logout:hover { color:var(--danger); }

/* ── Main content ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header {
  padding: 28px 32px 0;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:12px;
}
.page-title { font-family:var(--font-head); font-size:26px; font-weight:700; }
.page-subtitle { color:var(--text2); font-size:14px; margin-top:2px; }

.page-body { padding:24px 32px 40px; flex:1; }

/* ── Cards / Panels ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-title { font-family:var(--font-head); font-size:16px; font-weight:600; margin-bottom:16px; }

.glass-card {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
}

/* ── Balance Card ── */
.balance-card {
  background: linear-gradient(135deg, #0F2027 0%, #1A1035 50%, #0F2027 100%);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow), 0 0 60px rgba(0,229,160,0.08);
}
.balance-card::before {
  content:'';
  position:absolute; top:-60px; right:-60px;
  width:200px; height:200px;
  background:radial-gradient(circle, rgba(0,229,160,0.15) 0%, transparent 70%);
  border-radius:50%;
}
.balance-card::after {
  content:'';
  position:absolute; bottom:-40px; left:40px;
  width:160px; height:160px;
  background:radial-gradient(circle, rgba(123,97,255,0.12) 0%, transparent 70%);
  border-radius:50%;
}
.balance-label { font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:1px; color:var(--primary); }
.balance-amount { font-family:var(--font-head); font-size:42px; font-weight:700; margin:8px 0 4px; line-height:1; }
.balance-currency { font-size:16px; color:var(--text2); }
.balance-local { font-size:16px; color:var(--text2); margin-top:4px; }
.balance-local strong { color:var(--primary); }

/* ── Grid ── */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

/* ── Stat Card ── */
.stat-card {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  display:flex; flex-direction:column; gap:8px;
  transition:all var(--transition);
}
.stat-card:hover { border-color:var(--border-hover); transform:translateY(-2px); }
.stat-icon { font-size:24px; }
.stat-value { font-family:var(--font-head); font-size:22px; font-weight:700; }
.stat-label { font-size:12px; color:var(--text2); }

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size:14px; font-weight:600;
  transition: all var(--transition);
  white-space:nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #0A0E1A;
  box-shadow: 0 4px 20px rgba(0,229,160,0.3);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 28px rgba(0,229,160,0.45); }
.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(123,97,255,0.3);
}
.btn-secondary:hover { transform:translateY(-2px); }
.btn-ghost {
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text2);
}
.btn-ghost:hover { border-color:var(--border-hover); color:var(--text); }
.btn-danger {
  background:rgba(255,77,109,0.12);
  border:1px solid rgba(255,77,109,0.3);
  color:var(--danger);
}
.btn-danger:hover { background:rgba(255,77,109,0.2); }
.btn-sm { padding:6px 14px; font-size:12px; border-radius:8px; }
.btn-lg { padding:14px 28px; font-size:16px; }
.btn:disabled { opacity:0.5; cursor:not-allowed; transform:none !important; }

/* ── Form ── */
.form-group { margin-bottom:18px; }
.form-label { display:block; font-size:13px; font-weight:500; color:var(--text2); margin-bottom:6px; }
.form-control {
  width:100%;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:11px 14px;
  color:var(--text);
  font-size:14px;
  transition:border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(0,229,160,0.12); }
.form-control::placeholder { color:var(--text3); }
select.form-control { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238892A4' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:36px; }
.form-hint { font-size:11px; color:var(--text3); margin-top:5px; }
.form-error { font-size:11px; color:var(--danger); margin-top:5px; }

/* ── Table ── */
.table-wrap { overflow-x:auto; border-radius:var(--radius); border:1px solid var(--border); }
table { width:100%; border-collapse:collapse; }
th {
  background:var(--bg3);
  padding:12px 16px;
  font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:0.8px;
  color:var(--text2); text-align:left;
  border-bottom:1px solid var(--border);
}
td {
  padding:14px 16px;
  font-size:14px;
  border-bottom:1px solid var(--border);
  vertical-align:middle;
}
tr:last-child td { border-bottom:none; }
tr:hover td { background:var(--surface-hover); }

/* ── Badges ── */
.badge {
  display:inline-flex; align-items:center; gap:5px;
  padding:3px 10px; border-radius:20px;
  font-size:11px; font-weight:600;
}
.badge-success { background:rgba(0,229,160,0.15); color:var(--primary); }
.badge-danger  { background:rgba(255,77,109,0.15); color:var(--danger); }
.badge-warning { background:rgba(255,181,71,0.15); color:var(--warning); }
.badge-info    { background:rgba(59,130,246,0.15); color:var(--info); }
.badge-gray    { background:rgba(255,255,255,0.08); color:var(--text2); }

/* ── Amount colors ── */
.amount-credit { color:var(--primary); font-weight:600; }
.amount-debit  { color:var(--danger);  font-weight:600; }

/* ── Modal ── */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.7);
  backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  z-index:1000;
  opacity:0; pointer-events:none;
  transition:opacity var(--transition);
}
.modal-overlay.active { opacity:1; pointer-events:auto; }
.modal {
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  width:90%; max-width:480px;
  max-height:90vh; overflow-y:auto;
  padding:32px;
  transform:scale(0.95) translateY(20px);
  transition:transform var(--transition);
  box-shadow: var(--shadow);
}
.modal-overlay.active .modal { transform:scale(1) translateY(0); }
.modal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.modal-title { font-family:var(--font-head); font-size:20px; font-weight:700; }
.modal-close { background:var(--surface); border:1px solid var(--border); color:var(--text2); width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:18px; transition:all var(--transition); }
.modal-close:hover { color:var(--text); border-color:var(--border-hover); }

/* ── Toast ── */
.toast-container { position:fixed; top:24px; right:24px; z-index:9999; display:flex; flex-direction:column; gap:10px; }
.toast {
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:14px 18px;
  display:flex; align-items:center; gap:12px;
  font-size:14px; min-width:280px; max-width:360px;
  box-shadow:var(--shadow);
  animation:slideIn 0.3s cubic-bezier(0.4,0,0.2,1);
}
.toast.success { border-left:3px solid var(--primary); }
.toast.error   { border-left:3px solid var(--danger); }
.toast.warning { border-left:3px solid var(--warning); }
@keyframes slideIn {
  from { transform:translateX(100%); opacity:0; }
  to   { transform:translateX(0);    opacity:1; }
}

/* ── Pagination ── */
.pagination { display:flex; align-items:center; gap:6px; margin-top:20px; justify-content:center; }
.page-btn {
  width:36px; height:36px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:500;
  background:var(--surface); border:1px solid var(--border);
  color:var(--text2); transition:all var(--transition);
}
.page-btn:hover { border-color:var(--primary); color:var(--primary); }
.page-btn.active { background:var(--primary); color:var(--bg); border-color:var(--primary); font-weight:700; }
.page-btn:disabled { opacity:0.4; cursor:not-allowed; }

/* ── Empty state ── */
.empty-state { text-align:center; padding:60px 20px; color:var(--text2); }
.empty-state .icon { font-size:48px; margin-bottom:16px; opacity:0.5; }
.empty-state h3 { font-size:18px; color:var(--text); margin-bottom:8px; }
.empty-state p { font-size:14px; }

/* ── Skeleton ── */
.skeleton {
  background:linear-gradient(90deg, var(--surface) 25%, var(--surface-hover) 50%, var(--surface) 75%);
  background-size:200% 100%;
  animation:shimmer 1.5s infinite;
  border-radius:8px;
}
@keyframes shimmer {
  from { background-position:200% 0; }
  to   { background-position:-200% 0; }
}

/* ── Separator ── */
.divider { border:none; border-top:1px solid var(--border); margin:20px 0; }

/* ── Hamburger (mobile) ── */
.hamburger {
  display:none;
  position:fixed; top:16px; left:16px; z-index:200;
  background:var(--bg2); border:1px solid var(--border);
  width:42px; height:42px; border-radius:10px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.hamburger span { width:20px; height:2px; background:var(--text); border-radius:2px; transition:all var(--transition); }

/* ── Overlay (mobile sidebar) ── */
.sidebar-overlay {
  display:none;
  position:fixed; inset:0;
  background:rgba(0,0,0,0.6);
  z-index:99;
}

/* ══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width:1024px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
}

@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .sidebar-overlay.open { display:block; }
  .hamburger { display:flex; }
  .main-content { margin-left:0; }
  .page-header { padding:70px 16px 0; }
  .page-body { padding:16px 16px 80px; }
  .grid-2 { grid-template-columns:1fr; }
  .grid-3 { grid-template-columns:1fr; }
  .grid-4 { grid-template-columns:1fr 1fr; }
  .balance-amount { font-size:30px; }
  .balance-card { padding:24px; }
  table { font-size:13px; }
  th,td { padding:10px 12px; }
  .modal { padding:24px; }
}

@media (max-width:480px) {
  .grid-4 { grid-template-columns:1fr; }
}

/* ── Utility ── */
.flex { display:flex; }
.flex-1 { flex:1; }
.items-center { align-items:center; }
.justify-between { justify-content:space-between; }
.gap-2 { gap:8px; }
.gap-3 { gap:12px; }
.gap-4 { gap:16px; }
.mt-1 { margin-top:4px; }
.mt-2 { margin-top:8px; }
.mt-3 { margin-top:12px; }
.mt-4 { margin-top:16px; }
.mt-6 { margin-top:24px; }
.mb-4 { margin-bottom:16px; }
.text-sm { font-size:13px; }
.text-xs { font-size:11px; }
.text-muted { color:var(--text2); }
.font-mono { font-family:monospace; }
.font-bold { font-weight:700; }
.text-primary { color:var(--primary); }
.text-danger { color:var(--danger); }
.text-right { text-align:right; }
.w-full { width:100%; }
.hidden { display:none !important; }