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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f35;
  --bg-input: #1e2440;
  --bg-hover: #252b45;
  --border: #2a3050;
  --text-primary: #f0f2f5;
  --text-secondary: #a0a8c0;
  --text-muted: #6b7280;
  --color-primary: #7c5cfc;
  --color-primary-hover: #6b4ce0;
  --color-success: #22c55e;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html, body { height:100%; overscroll-behavior:none; }
body { font-family:'Inter',sans-serif; background:var(--bg-primary); color:var(--text-primary); font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased; }
a { color:var(--color-primary); text-decoration:none; touch-action:manipulation; }
button, select, input { touch-action:manipulation; }

/* ── LAYOUT ── */
.app-layout { display:flex; min-height:100vh; }
.sidebar { width:220px; background:var(--bg-secondary); border-right:1px solid var(--border); display:flex; flex-direction:column; position:fixed; top:0; bottom:0; left:0; z-index:100; }
.main-content { margin-left:220px; flex:1; display:flex; flex-direction:column; min-height:100vh; }
.main-header { padding:16px 28px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; background:var(--bg-secondary); }
.main-header h2 { font-size:1.2rem; font-weight:600; }
.main-body { padding:24px 28px; flex:1; }

/* ── SIDEBAR ── */
.sidebar-logo { padding:20px; border-bottom:1px solid var(--border); }
.sidebar-logo h1 { font-size:1.3rem; background:linear-gradient(135deg,var(--color-primary),#a78bfa); -webkit-background-clip:text; -webkit-text-fill-color:transparent; font-weight:700; }
.sidebar-logo span { font-size:0.7rem; color:var(--text-muted); }
.sidebar-nav { flex:1; padding:12px 10px; overflow-y:auto; }
.sidebar-section-title { font-size:0.65rem; text-transform:uppercase; letter-spacing:1.5px; color:var(--text-muted); padding:16px 12px 6px; font-weight:600; }
.nav-item { display:flex; align-items:center; gap:10px; padding:9px 14px; border-radius:var(--radius-sm); color:var(--text-secondary); font-size:0.85rem; transition:all 0.15s; margin-bottom:2px; text-decoration:none; }
.nav-item:hover { background:var(--bg-hover); color:var(--text-primary); }
.nav-item.active { background:var(--color-primary); color:#fff; font-weight:500; }
.nav-item svg { width:18px; height:18px; flex-shrink:0; }
.sidebar-user { padding:14px; border-top:1px solid var(--border); display:flex; align-items:center; gap:10px; }
.sidebar-user-avatar { width:34px; height:34px; border-radius:50%; background:var(--color-primary); display:flex; align-items:center; justify-content:center; font-weight:600; font-size:0.85rem; flex-shrink:0; }
.sidebar-user-info { flex:1; min-width:0; }
.sidebar-user-name { font-size:0.82rem; font-weight:500; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sidebar-user-role { font-size:0.68rem; color:var(--text-muted); }

/* ── KPI CARDS ── */
.kpi-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; }
.kpi-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; position:relative; overflow:hidden; }
.kpi-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; }
.kpi-card.info::before { background:var(--color-info); }
.kpi-card.success::before { background:var(--color-success); }
.kpi-card.warning::before { background:var(--color-warning); }
.kpi-card.danger::before { background:var(--color-danger); }
.kpi-label { font-size:0.78rem; color:var(--text-muted); margin-bottom:8px; }
.kpi-value { font-size:1.5rem; font-weight:700; }
.kpi-icon { width:40px; height:40px; border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; margin-bottom:10px; font-size:1.1rem; }
.kpi-icon.success { background:rgba(34,197,94,0.15); color:var(--color-success); }
.kpi-icon.danger { background:rgba(239,68,68,0.15); color:var(--color-danger); }
.kpi-icon.info { background:rgba(59,130,246,0.15); color:var(--color-info); }
.kpi-icon.warning { background:rgba(245,158,11,0.15); color:var(--color-warning); }

/* ── TABLE ── */
.data-table-wrap { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); overflow-x:auto; }
.data-table { width:100%; border-collapse:collapse; }
.data-table th { padding:12px 16px; font-size:0.72rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); font-weight:600; text-align:left; border-bottom:1px solid var(--border); white-space:nowrap; }
.data-table td { padding:10px 16px; border-bottom:1px solid var(--border); font-size:0.85rem; }
.data-table tr:hover { background:var(--bg-hover); }
.data-table tr:last-child td { border-bottom:none; }

/* ── BADGES ── */
.badge { padding:3px 10px; border-radius:20px; font-size:0.72rem; font-weight:500; display:inline-block; }
.badge-success { background:rgba(34,197,94,0.15); color:var(--color-success); }
.badge-danger { background:rgba(239,68,68,0.15); color:var(--color-danger); }
.badge-warning { background:rgba(245,158,11,0.15); color:var(--color-warning); }
.badge-info { background:rgba(59,130,246,0.15); color:var(--color-info); }

/* ── TOOLBAR ── */
.toolbar { display:flex; align-items:center; gap:12px; margin-bottom:16px; flex-wrap:wrap; }
.toolbar h3 { font-size:1rem; font-weight:600; }

/* ── BUTTONS ── */
.btn { display:inline-flex; align-items:center; gap:6px; padding:8px 16px; border:none; border-radius:var(--radius-sm); font-size:0.85rem; font-weight:500; cursor:pointer; transition:all 0.15s; font-family:inherit; text-decoration:none; }
.btn-primary { background:var(--color-primary); color:#fff; }
.btn-primary:hover { background:var(--color-primary-hover); }
.btn-secondary { background:var(--bg-input); color:var(--text-secondary); border:1px solid var(--border); }
.btn-secondary:hover { background:var(--bg-hover); color:var(--text-primary); }
.btn-sm { padding:5px 12px; font-size:0.78rem; }
.btn-danger { background:rgba(239,68,68,0.15); color:var(--color-danger); border:1px solid rgba(239,68,68,0.3); }
.btn-danger:hover { background:rgba(239,68,68,0.3); }

/* ── FORMS ── */
.form-group { margin-bottom:14px; }
.form-label { display:block; font-size:0.78rem; font-weight:500; color:var(--text-secondary); margin-bottom:5px; }
.form-input, .form-select, .form-textarea { width:100%; padding:9px 12px; background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:0.85rem; font-family:inherit; transition:border-color 0.15s; }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline:none; border-color:var(--color-primary); }
.form-select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 10px center; padding-right:30px; }
.form-select option { background:var(--bg-secondary); color:var(--text-primary); }
.form-textarea { min-height:80px; resize:vertical; }
.form-row { display:flex; gap:12px; }
.form-row .form-group { flex:1; }

/* ── MODAL ── */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:200; display:flex; align-items:center; justify-content:center; }
.modal { background:var(--bg-secondary); border:1px solid var(--border); border-radius:var(--radius); width:90%; max-width:600px; max-height:90vh; overflow-y:auto; box-shadow:var(--shadow); }
.modal-header { padding:18px 20px; border-bottom:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; }
.modal-title { font-weight:600; font-size:1.05rem; }
.modal-close { background:none; border:none; color:var(--text-muted); font-size:1.2rem; cursor:pointer; padding:4px 8px; }
.modal form { padding:20px; }
.modal-footer { display:flex; justify-content:flex-end; gap:10px; padding-top:16px; border-top:1px solid var(--border); margin-top:10px; }

/* ── CHARTS ── */
.chart-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.chart-card h4 { font-size:0.9rem; margin-bottom:16px; }
.charts-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:20px 0; }

/* ── LOGIN ── */
.login-page { min-height:100vh; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,#0a0e1a 0%,#1a1040 50%,#0a1628 100%); }
.login-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:40px; width:400px; box-shadow:var(--shadow); }
.login-logo { text-align:center; margin-bottom:30px; }
.login-logo h1 { font-size:1.8rem; background:linear-gradient(135deg,var(--color-primary),#a78bfa); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.login-logo p { color:var(--text-muted); font-size:0.85rem; margin-top:4px; }
.login-error { background:rgba(239,68,68,0.1); border:1px solid rgba(239,68,68,0.3); color:var(--color-danger); padding:10px; border-radius:var(--radius-sm); margin-bottom:16px; font-size:0.85rem; text-align:center; }

/* ── ITEM ROWS ── */
.item-row { display:flex; gap:8px; align-items:end; margin-bottom:6px; }
.item-row .form-group { margin-bottom:0; }
.item-row-remove { background:none; border:none; color:var(--color-danger); cursor:pointer; padding:8px; font-size:1rem; }

/* ── EXPANDED ROW ── */
.expanded-row td { background:var(--bg-input) !important; }

/* ── MOBILE HAMBURGER ── */
.mobile-header { display:none; position:fixed; top:0; left:0; right:0; height:48px; background:var(--bg-secondary); border-bottom:1px solid var(--border); z-index:150; align-items:center; padding:0 12px; }
.mobile-header-title { font-size:0.92rem; font-weight:600; flex:1; text-align:center; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.hamburger { background:none; border:none; color:var(--text-primary); font-size:1.4rem; cursor:pointer; padding:8px; line-height:1; }
.sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.55); z-index:180; }
.sidebar-overlay.active { display:block; }

/* ── RESPONSIVE ── */
@media (max-width:768px) {
  /* Kill tap delay, prevent text select on UI */
  body { -webkit-user-select:none; user-select:none; }
  p, td, .kpi-value, .form-input, .form-textarea, input { -webkit-user-select:text; user-select:text; }

  /* Sidebar: slide-out overlay */
  .sidebar { transform:translateX(-100%); transition:transform 0.2s cubic-bezier(.4,0,.2,1); z-index:200; width:260px; }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; padding-top:48px; min-height:100vh; }

  /* Show mobile header */
  .mobile-header { display:flex; }

  /* Hide desktop header */
  .main-header { display:none; }

  /* Body padding — compact */
  .main-body { padding:10px; overflow-x:hidden; -webkit-overflow-scrolling:touch; }

  /* KPI — compact 2 columns always */
  .kpi-grid { grid-template-columns:1fr 1fr !important; gap:8px; }
  .kpi-value { font-size:1rem; }
  .kpi-label { font-size:0.65rem; }
  .kpi-card { padding:10px 12px; border-radius:8px; }
  .kpi-card::before { height:2px; }
  .kpi-icon { width:26px; height:26px; margin-bottom:4px; font-size:0.8rem; }
  .kpi-icon svg { width:14px; height:14px; }

  /* Charts */
  .charts-row { grid-template-columns:1fr; gap:10px; }
  .chart-card { padding:12px; }
  .chart-card h4 { font-size:0.8rem; margin-bottom:10px; }

  /* Tables: horizontal scroll, compact */
  .data-table-wrap { border-radius:8px; -webkit-overflow-scrolling:touch; }
  .data-table { min-width:520px; }
  .data-table th { padding:7px 8px; font-size:0.6rem; letter-spacing:0.5px; }
  .data-table td { padding:7px 8px; font-size:0.75rem; }

  /* Modals: almost full screen */
  .modal-overlay { align-items:flex-end; }
  .modal { width:100% !important; max-width:100% !important; max-height:92vh; border-radius:14px 14px 0 0; margin:0; }
  .modal form { padding:12px 14px; }
  .modal-header { padding:12px 14px; }
  .modal-title { font-size:0.95rem; }
  .modal-footer { padding-top:12px; }

  /* Forms — touch-sized */
  .form-row { flex-direction:column; gap:0; }
  .form-group { margin-bottom:10px; }
  .form-label { font-size:0.72rem; margin-bottom:3px; }
  .form-input, .form-select { font-size:16px; padding:10px 12px; border-radius:8px; }

  /* Buttons — touch targets 44px+ */
  .btn { padding:10px 16px; font-size:0.82rem; border-radius:8px; min-height:40px; }
  .btn:active { opacity:0.7; transform:scale(0.97); }
  .btn-sm { padding:7px 10px; min-height:32px; }

  /* Toolbar compact */
  .toolbar { gap:6px; margin-bottom:10px; }
  .toolbar h3 { font-size:0.85rem; }

  /* Item rows */
  .item-row { flex-wrap:wrap; gap:6px; }
  .item-row .form-group { min-width:0; }

  /* Badges compact */
  .badge { font-size:0.65rem; padding:2px 7px; }

  /* Nav items — instant tap feedback */
  .nav-item { padding:11px 14px; }
  .nav-item:active { background:var(--color-primary); color:#fff; }

  /* Sidebar */
  .sidebar-logo { padding:14px; }
  .sidebar-logo img { max-width:120px !important; }
  .sidebar-logo span { font-size:0.62rem; }
  .sidebar-user { padding:10px 14px; }
  .sidebar-section-title { padding:12px 12px 4px; font-size:0.6rem; }
}

@media (max-width:400px) {
  .kpi-grid { grid-template-columns:1fr 1fr !important; }
  .kpi-value { font-size:0.9rem; }
  .data-table { min-width:420px; }
}

/* Lucide icons inline */
.icon { width:18px; height:18px; display:inline-block; vertical-align:middle; }

/* ── DESKTOP/MOBILE VISIBILITY ── */
.mobile-only { display:none; }
.desktop-only { display:block; }
@media (max-width:768px) {
  .mobile-only { display:block; }
  .desktop-only { display:none !important; }
}

/* ── MOBILE CARDS ── */
.m-card { background:var(--bg-card); border:1px solid var(--border); border-radius:10px; margin-bottom:8px; overflow:hidden; }
.m-card-header { display:flex; align-items:center; justify-content:space-between; padding:10px 12px; border-bottom:1px solid var(--border); }
.m-card-title { font-weight:600; font-size:0.88rem; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.m-card-actions { display:flex; gap:6px; flex-shrink:0; margin-left:8px; }
.m-card-body { padding:8px 12px 10px; }
.m-card-row { display:flex; justify-content:space-between; align-items:center; padding:4px 0; font-size:0.78rem; border-bottom:1px solid rgba(255,255,255,0.04); }
.m-card-row:last-child { border-bottom:none; }
.m-label { color:var(--text-muted); font-size:0.72rem; }
.m-card-nums { display:flex; gap:4px; margin-top:8px; }
.m-num { flex:1; text-align:center; background:var(--bg-input); border-radius:6px; padding:6px 4px; }
.m-num-label { font-size:0.6rem; color:var(--text-muted); margin-bottom:2px; }
.m-num-val { font-size:0.82rem; font-weight:700; }
.m-badge { display:inline-block; padding:2px 8px; border-radius:12px; font-size:0.65rem; font-weight:500; }