@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== DESIGN TOKENS ===== */
:root {
  --brand: #22c55e;
  --brand-dark: #16a34a;
  --brand-glow: rgba(34,197,94,0.18);

  /* Dark mode (default) */
  --bg-base: #0a0a0f;
  --bg-surface: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --bg-input: #1a1a24;
  --border: rgba(255,255,255,0.07);
  --border-active: rgba(34,197,94,0.4);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --sidebar-w: 256px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 32px rgba(34,197,94,0.12);
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg-base: #f5f5f7;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f5;
  --bg-input: #f0f0f5;
  --border: rgba(0,0,0,0.08);
  --border-active: rgba(34,197,94,0.5);
  --text-primary: #0a0a0f;
  --text-secondary: #555570;
  --text-muted: #9999b0;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 24px rgba(34,197,94,0.10);
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{
  font-family:'Inter',sans-serif;
  background:var(--bg-base);
  color:var(--text-primary);
  line-height:1.6;
  min-height:100vh;
  transition:background var(--transition), color var(--transition);
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{cursor:pointer;font-family:inherit}

/* ===== LAYOUT ===== */
.app-layout{display:flex;min-height:100vh}

/* ===== SIDEBAR ===== */
.sidebar{
  width:var(--sidebar-w);
  background:var(--bg-surface);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  position:fixed;
  top:0;left:0;bottom:0;
  z-index:100;
  transition:transform var(--transition);
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;
  padding:24px 20px;
  border-bottom:1px solid var(--border);
}
.sidebar-logo .logo-icon{
  width:36px;height:36px;
  background:linear-gradient(135deg,#22c55e,#16a34a);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;color:#fff;
  box-shadow:var(--shadow-glow);
}
.sidebar-logo .logo-text{font-weight:800;font-size:20px;letter-spacing:-0.5px}
.sidebar-logo .logo-text span{color:var(--brand)}

.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}
.sidebar-section-title{
  font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;
  color:var(--text-muted);padding:8px 8px 4px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  color:var(--text-secondary);font-size:14px;font-weight:500;
  transition:all var(--transition);margin-bottom:2px;cursor:pointer;
  border:none;background:transparent;width:100%;text-align:left;
}
.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}
.nav-item.active{
  background:var(--brand-glow);
  color:var(--brand);
  border:1px solid var(--border-active);
}
.nav-item svg{width:18px;height:18px;flex-shrink:0}

.sidebar-footer{
  padding:16px 12px;
  border-top:1px solid var(--border);
}
.user-card{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  background:var(--bg-card);
}
.user-avatar{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,#22c55e,#16a34a);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;color:#fff;flex-shrink:0;
}
.user-info{flex:1;min-width:0}
.user-info .name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-info .role{font-size:11px;color:var(--text-muted)}

/* ===== MAIN CONTENT ===== */
.main-content{
  margin-left:var(--sidebar-w);
  flex:1;
  min-width:0;
  display:flex;flex-direction:column;
}

.topbar{
  background:var(--bg-surface);
  border-bottom:1px solid var(--border);
  padding:0 32px;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:50;
}
.topbar-title{font-size:18px;font-weight:700}
.topbar-actions{display:flex;align-items:center;gap:12px}

.page-content{padding:32px;flex:1}

/* ===== CARDS ===== */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  transition:all var(--transition);
}
.card:hover{border-color:var(--border-active);box-shadow:var(--shadow-glow)}
.card-title{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card-value{font-size:28px;font-weight:800;letter-spacing:-1px}
.card-sub{font-size:12px;color:var(--text-muted);margin-top:4px}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}

/* ===== BADGES/STATUS ===== */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;border-radius:20px;
  font-size:11px;font-weight:600;letter-spacing:0.3px;
}
.badge-green{background:rgba(34,197,94,.15);color:#22c55e;border:1px solid rgba(34,197,94,.2)}
.badge-yellow{background:rgba(234,179,8,.15);color:#eab308;border:1px solid rgba(234,179,8,.2)}
.badge-red{background:rgba(239,68,68,.15);color:#ef4444;border:1px solid rgba(239,68,68,.2)}
.badge-blue{background:rgba(59,130,246,.15);color:#3b82f6;border:1px solid rgba(59,130,246,.2)}
.badge-gray{background:rgba(156,163,175,.15);color:#9ca3af;border:1px solid rgba(156,163,175,.2)}
.badge-orange{background:rgba(249,115,22,.15);color:#f97316;border:1px solid rgba(249,115,22,.2)}
.badge-purple{background:rgba(168,85,247,.15);color:#a855f7;border:1px solid rgba(168,85,247,.2)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;border:none;
  transition:all var(--transition);white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(34,197,94,.3)}
.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--border-active);background:var(--bg-card-hover)}
.btn-danger{background:rgba(239,68,68,.15);color:#ef4444;border:1px solid rgba(239,68,68,.2)}
.btn-danger:hover{background:rgba(239,68,68,.25)}
.btn-sm{padding:6px 14px;font-size:12px}
.btn-icon{padding:8px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary)}
.btn-icon:hover{border-color:var(--border-active);color:var(--text-primary)}

/* ===== FORMS ===== */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-control{
  width:100%;padding:11px 14px;
  background:var(--bg-input);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  color:var(--text-primary);
  font-size:14px;font-family:inherit;
  transition:border-color var(--transition);
}
.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}
.form-control::placeholder{color:var(--text-muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-hint{font-size:11px;color:var(--text-muted);margin-top:4px}

/* ===== TABLES ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:14px}
thead th{
  background:var(--bg-surface);
  padding:12px 16px;
  text-align:left;font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:0.5px;
  color:var(--text-muted);border-bottom:1px solid var(--border);
}
tbody tr{border-bottom:1px solid var(--border);transition:background var(--transition)}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:var(--bg-card-hover)}
tbody td{padding:13px 16px;color:var(--text-primary)}
.td-mono{font-family:'Courier New',monospace;font-size:12px;color:var(--text-muted)}

/* ===== FILTERS BAR ===== */
.filters-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.filters-bar .form-control{max-width:200px}
.search-input{position:relative}
.search-input input{padding-left:36px}
.search-input .icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}

/* ===== TOGGLE / SWITCH ===== */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider{
  position:absolute;inset:0;
  background:var(--bg-input);border:1px solid var(--border);
  border-radius:24px;transition:var(--transition);cursor:pointer;
}
.slider::before{
  content:'';position:absolute;
  width:18px;height:18px;
  left:2px;top:2px;bottom:2px;
  background:var(--text-muted);border-radius:50%;
  transition:var(--transition);
}
input:checked+.slider{background:var(--brand);border-color:var(--brand)}
input:checked+.slider::before{transform:translateX(20px);background:#fff}

/* ===== DARK MODE TOGGLE ===== */
.theme-toggle{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-secondary);
}

/* ===== PROGRESS / UPLOAD ===== */
.upload-zone{
  border:2px dashed var(--border);
  border-radius:var(--radius);
  padding:24px;text-align:center;
  cursor:pointer;transition:all var(--transition);
  position:relative;background:var(--bg-input);
}
.upload-zone:hover,.upload-zone.drag-over{
  border-color:var(--brand);background:var(--brand-glow);
}
.upload-zone input[type=file]{
  position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;
}
.upload-zone .icon{font-size:28px;margin-bottom:8px}
.upload-zone .label{font-size:13px;font-weight:600;color:var(--text-secondary)}
.upload-zone .hint{font-size:11px;color:var(--text-muted);margin-top:4px}
.upload-preview{
  width:100%;height:120px;object-fit:cover;border-radius:8px;margin-top:8px;display:none;
}
.upload-filename{font-size:12px;color:var(--brand);margin-top:6px;word-break:break-all;display:none}

/* ===== ALERTS / TOAST ===== */
.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;display:flex;align-items:flex-start;gap:8px}
.alert-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);color:#ef4444}
.alert-success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);color:#22c55e}
.alert-info{background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);color:#3b82f6}
.alert-warning{background:rgba(234,179,8,.1);border:1px solid rgba(234,179,8,.2);color:#eab308}

#toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:12px 16px;
  font-size:13px;font-weight:500;
  display:flex;align-items:center;gap:10px;
  box-shadow:var(--shadow);
  animation:slideIn .3s ease;min-width:280px;max-width:400px;
}
.toast.success{border-color:rgba(34,197,94,.3);color:#22c55e}
.toast.error{border-color:rgba(239,68,68,.3);color:#ef4444}
.toast.info{border-color:rgba(59,130,246,.3);color:#3b82f6}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes slideOut{from{opacity:1}to{opacity:0;transform:translateX(100%)}}

/* ===== MODAL ===== */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.7);
  z-index:1000;display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity var(--transition);
}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;
  width:90%;max-width:540px;
  transform:translateY(16px);transition:transform var(--transition);
  box-shadow:var(--shadow);
}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.modal-title{font-size:18px;font-weight:700}

/* ===== STATS PILL ===== */
.stat-change{
  font-size:12px;font-weight:600;padding:2px 8px;border-radius:20px;
}
.stat-up{background:rgba(34,197,94,.15);color:#22c55e}
.stat-down{background:rgba(239,68,68,.15);color:#ef4444}

/* ===== PAGINATION ===== */
.pagination{display:flex;align-items:center;gap:4px;padding-top:16px;justify-content:flex-end}
.page-btn{
  width:32px;height:32px;border-radius:6px;font-size:13px;font-weight:500;
  background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);
}
.page-btn:hover,.page-btn.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ===== DOCS PAGE ===== */
.docs-layout{display:flex;min-height:100vh}
.docs-sidebar{
  width:260px;background:var(--bg-surface);border-right:1px solid var(--border);
  padding:24px 16px;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;
}
.docs-content{margin-left:260px;padding:48px;max-width:900px}
.docs-content h1{font-size:36px;font-weight:800;margin-bottom:8px;letter-spacing:-1px}
.docs-content h2{font-size:22px;font-weight:700;margin:32px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.docs-content h3{font-size:16px;font-weight:600;margin:20px 0 8px;color:var(--brand)}
.docs-content p{color:var(--text-secondary);margin-bottom:12px;line-height:1.8}
.docs-content ul{color:var(--text-secondary);padding-left:20px;margin-bottom:12px}
.docs-content li{margin-bottom:4px}
.code-block{
  background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:20px;margin:12px 0;
  font-family:'Courier New',monospace;font-size:13px;
  color:#a5f3c0;overflow-x:auto;line-height:1.7;
}
.code-block .comment{color:var(--text-muted)}
.code-block .key{color:#93c5fd}
.code-block .str{color:#fcd34d}
.code-block .num{color:#f9a8d4}
.inline-code{
  background:var(--bg-input);border:1px solid var(--border);
  border-radius:4px;padding:2px 7px;font-family:'Courier New',monospace;font-size:12px;color:var(--brand);
}
.method-badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;
  font-size:12px;font-weight:700;margin-right:8px;
}
.method-post{background:rgba(34,197,94,.15);color:#22c55e;border:1px solid rgba(34,197,94,.2)}
.method-get{background:rgba(59,130,246,.15);color:#3b82f6;border:1px solid rgba(59,130,246,.2)}
.endpoint-box{
  background:var(--bg-input);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:12px 16px;
  display:flex;align-items:center;gap:8px;margin:12px 0;
  font-family:'Courier New',monospace;font-size:14px;
}
.params-table th{background:var(--bg-surface);font-size:12px}
.param-required{color:#ef4444;font-size:10px;font-weight:700}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .grid-2,.grid-3,.form-row{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:1fr 1fr}
  .page-content{padding:16px}
  .docs-sidebar{display:none}
  .docs-content{margin-left:0;padding:24px}
}

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn .4s ease forwards}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.pulse{animation:pulse 2s infinite}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}