/* ══════════════════════════════════════════════════════════════
   KVV AI Chatbot SaaS — Design System v2
   ══════════════════════════════════════════════════════════════ */

:root {
  --primary:     #6366f1;
  --primary-dk:  #4f46e5;
  --success:     #22c55e;
  --warning:     #f59e0b;
  --danger:      #ef4444;
  --info:        #3b82f6;
  --gray-50:     #f8fafc;
  --gray-100:    #f1f5f9;
  --gray-200:    #e2e8f0;
  --gray-400:    #94a3b8;
  --gray-600:    #475569;
  --gray-900:    #0f172a;
  --sidebar-w:   240px;
  --radius:      10px;
  --shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.05);
  --shadow-md:   0 4px 20px rgba(0,0,0,.12);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.app-layout { display: flex; min-height: 100vh; }
.main-content {
  flex: 1;
  padding: 28px 32px;
  margin-left: var(--sidebar-w);
  min-width: 0;
}
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 22px; font-weight: 700; }
.breadcrumb { font-size: 13px; color: var(--gray-400); margin-bottom: 20px; }
.breadcrumb a { color: var(--gray-400); }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: #1e1e2e;
  color: #cdd6f4;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  padding: 0;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 16px;
  font-weight: 700; font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  color: #cba6f7;
}
.sidebar-label {
  font-size: 10px; font-weight: 600; letter-spacing: 1px;
  color: #585b70; padding: 16px 20px 6px; text-transform: uppercase;
}
nav { flex: 1; padding: 4px 0; overflow-y: auto; }
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; color: #a6adc8;
  font-size: 13.5px; transition: background .15s, color .15s;
  cursor: pointer;
}
.sidebar-link:hover { background: rgba(255,255,255,.05); color: #cdd6f4; text-decoration: none; }
.sidebar-link.active { background: rgba(99,102,241,.2); color: #cba6f7; font-weight: 600; }
.sidebar-link .fa { width: 18px; text-align: center; }
.sidebar-footer { padding: 12px 0; border-top: 1px solid rgba(255,255,255,.07); }
.sidebar-user { padding: 6px 20px; font-size: 12px; color: #585b70; }
.text-danger { color: #f38ba8 !important; }

/* ── Cards ── */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-header {
  padding: 14px 20px;
  font-weight: 600; font-size: 14px;
  border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; gap: 8px;
}
.card-body { padding: 20px; }
.card-body.p-0 { padding: 0; }
.card-warning { border-left: 3px solid var(--warning); }
.card-deploy  { border-left: 3px solid var(--primary); }
.float-right  { margin-left: auto; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 24px; }

/* ── Stat Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.stats-grid-sm { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex; align-items: center; gap: 16px;
}
.stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.stat-num { font-size: 24px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.stat-blue   .stat-icon { background: #eff6ff; color: #3b82f6; }
.stat-green  .stat-icon { background: #f0fdf4; color: #22c55e; }
.stat-purple .stat-icon { background: #faf5ff; color: #a855f7; }
.stat-orange .stat-icon { background: #fff7ed; color: #f97316; }
.stat-gray   .stat-icon { background: var(--gray-100); color: var(--gray-400); }
.stat-red    .stat-icon { background: #fef2f2; color: #ef4444; }

/* ── Tables ── */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13px;
  vertical-align: middle;
}
.table th { font-weight: 600; color: var(--gray-600); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.table tbody tr:last-child td { border-bottom: none; }
.table-hover tbody tr:hover { background: var(--gray-50); }
.row-highlight { background: #fffbeb !important; }
.detail-table { width: 100%; }
.detail-table th { width: 38%; padding: 8px 0; font-weight: 600; color: var(--gray-600); font-size: 13px; }
.detail-table td { padding: 8px 0; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 99px;
  font-size: 11px; font-weight: 600;
}
.badge-success   { background: #dcfce7; color: #15803d; }
.badge-warning   { background: #fef9c3; color: #854d0e; }
.badge-danger    { background: #fee2e2; color: #991b1b; }
.badge-info      { background: #dbeafe; color: #1d4ed8; }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }
.badge-primary   { background: #ede9fe; color: var(--primary-dk); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: 8px;
  font-size: 13.5px; font-weight: 500; cursor: pointer;
  border: none; transition: background .15s, transform .1s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; opacity: .9; }
.btn:active { transform: scale(.98); }
.btn-primary   { background: var(--primary);   color: #fff; }
.btn-primary:hover { background: var(--primary-dk); }
.btn-success   { background: var(--success);   color: #fff; }
.btn-warning   { background: var(--warning);   color: #fff; }
.btn-danger    { background: var(--danger);    color: #fff; }
.btn-outline   { background: transparent; border: 1px solid var(--gray-200); color: var(--gray-600); }
.btn-outline:hover { background: var(--gray-50); }
.btn-block     { width: 100%; justify-content: center; }
.btn-lg        { padding: 12px 24px; font-size: 15px; }
.btn-sm        { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 500; font-size: 13px; margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--gray-200); border-radius: 8px;
  font-size: 14px; transition: border .15s, box-shadow .15s;
  background: #fff;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.1); }
.form-row { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.form-row .col-4 { grid-column: span 4; }
.form-row .col-6 { grid-column: span 6; }
.form-row .col-8 { grid-column: span 8; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; }
.checkbox-label input { width: 16px; height: 16px; }

/* ── Alerts / Flash ── */
.alert {
  padding: 12px 16px; border-radius: 8px; margin-bottom: 16px;
  font-size: 13.5px; display: flex; align-items: flex-start; gap: 10px;
}
.alert a { font-weight: 600; }
.alert-success { background: #dcfce7; color: #15803d; }
.alert-error   { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef9c3; color: #713f12; }
.alert-info    { background: #dbeafe; color: #1e40af; }
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13.5px; }
.flash-success { background: #dcfce7; color: #15803d; }
.flash-error   { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef9c3; color: #713f12; }
.flash-info    { background: #dbeafe; color: #1e40af; }

/* ── Progress ── */
.progress { background: var(--gray-100); border-radius: 99px; height: 10px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 99px; transition: width .4s; }
.bg-success { background: var(--success); }
.bg-warning { background: var(--warning); }
.bg-danger  { background: var(--danger); }
.usage-label { font-size: 13px; margin-bottom: 6px; }

/* ── Toolbar ── */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.toolbar-right { font-size: 13px; color: var(--gray-600); white-space: nowrap; }
.search-form { display: flex; gap: 8px; flex: 1; }
.search-form .form-control { max-width: 260px; }
.search-form select.form-control { max-width: 180px; }

/* ── Tabs ── */
.tab-filter, .settings-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab-btn {
  padding: 7px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 500;
  color: var(--gray-600); cursor: pointer;
  text-decoration: none; transition: background .15s;
  border: 1px solid transparent;
}
.tab-btn:hover { background: var(--gray-100); text-decoration: none; }
.tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Pagination ── */
.pagination { display: flex; gap: 4px; flex-wrap: wrap; }
.page-btn {
  padding: 6px 12px; border-radius: 7px; font-size: 13px;
  border: 1px solid var(--gray-200); color: var(--gray-600);
  text-decoration: none; transition: background .15s;
}
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:hover { background: var(--gray-100); text-decoration: none; }

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ── Plans ── */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.plan-card { background: #fff; border: 2px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.plan-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.plan-inactive { opacity: .55; }
.plan-card-header { padding: 20px; text-align: center; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); }
.plan-card-header h3 { font-size: 16px; font-weight: 700; }
.plan-price { font-size: 26px; font-weight: 800; color: var(--primary); margin-top: 8px; }
.plan-price span { font-size: 13px; font-weight: 400; color: var(--gray-400); }
.plan-meta { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.plan-card-body { padding: 16px 20px; }
.plan-features { list-style: none; font-size: 13px; line-height: 2; }
.plan-stats { margin-top: 12px; font-size: 12px; color: var(--gray-400); }
.plan-card-footer { padding: 12px 16px; display: flex; gap: 8px; border-top: 1px solid var(--gray-100); }

/* ── Plan select (register / payment) ── */
.plans-select { display: flex; flex-direction: column; gap: 10px; }
.plan-option { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 2px solid var(--gray-200); border-radius: 10px; cursor: pointer; transition: border-color .15s; }
.plan-option:has(input:checked) { border-color: var(--primary); background: #f5f3ff; }
.plan-option input { width: 16px; height: 16px; flex-shrink: 0; }
.plan-name  { font-weight: 600; }
.plan-limit { font-size: 12px; color: var(--gray-400); }
.plan-current { opacity: .7; }

/* ── Auth pages ── */
.auth-page { background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%); display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.auth-box { background: #fff; border-radius: 16px; box-shadow: var(--shadow-md); padding: 36px; width: 100%; max-width: 420px; }
.auth-box-lg { max-width: 560px; }
.auth-wide { align-items: flex-start; padding-top: 48px; }
.auth-logo { text-align: center; margin-bottom: 28px; color: var(--primary); }
.auth-logo h2 { font-size: 20px; font-weight: 700; margin-top: 10px; color: var(--gray-900); }
.auth-logo p { font-size: 13px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 13px; color: var(--gray-400); }

/* ── Step indicator ── */
.step-indicator { display: flex; align-items: center; margin-bottom: 28px; }
.step-item { display: flex; flex-direction: column; align-items: center; flex: 1; }
.step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--gray-200); color: var(--gray-400); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; }
.step-item.active .step-num { background: var(--primary); color: #fff; }
.step-item.done   .step-num { background: var(--success);  color: #fff; }
.step-label { font-size: 11px; color: var(--gray-400); margin-top: 4px; }
.step-line  { flex: 1; height: 2px; background: var(--gray-200); margin-bottom: 18px; }

/* ── Bot status ── */
.bot-status { padding: 16px; border-radius: 10px; font-size: 14px; }
.bot-online  { background: #dcfce7; color: #15803d; }
.bot-offline { background: var(--gray-100); color: var(--gray-600); }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-400); }
.empty-state p { margin-top: 16px; }

/* ── Misc ── */
.text-muted    { color: var(--gray-400) !important; }
.text-success  { color: var(--success)  !important; }
.text-warning  { color: var(--warning)  !important; }
.text-primary  { color: var(--primary)  !important; }
.small         { font-size: 12px; }
.d-flex        { display: flex; }
.d-block       { display: block; }
.justify-between { justify-content: space-between; }
code.small     { font-size: 11px; background: var(--gray-100); padding: 2px 6px; border-radius: 4px; }
.proof-img     { max-height: 300px; }