:root {
  --kz-primary: #3A2CCB;
  --kz-secondary: #5B4FD9;
  --kz-light: #F5F5F5;
  --kz-dark: #0F0F10;
  --kz-white: #ffffff;
  --kz-muted: #667085;
  --kz-line: #e4e7ec;
  --kz-success-bg: #d9f8e5;
  --kz-success-ink: #0f5f35;
  --kz-error-bg: #ffe2e2;
  --kz-error-ink: #8a1f1f;
  --kz-warning-bg: #fff3cd;
  --kz-warning-ink: #664d03;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Poppins', sans-serif;
  color: var(--kz-dark);
  background: radial-gradient(1200px 500px at -15% -10%, #e8e4ff 0%, transparent 58%),
              radial-gradient(1200px 520px at 120% -18%, #eeecff 0%, transparent 60%),
              var(--kz-light);
}
a { color: inherit; }

.container { width: min(1220px, 94vw); margin: 0 auto; }

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #dadce5;
  padding: 4px;
}
.brand-text { font-family: 'Alata', sans-serif; letter-spacing: 0.3px; font-size: 18px; }

.btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary,
.btn { background: linear-gradient(90deg, var(--kz-primary), var(--kz-secondary)); color: #fff; }
.btn-outline,
.btn.secondary { background: #fff; color: var(--kz-dark); border: 1px solid var(--kz-line); }

.msg { padding: 10px 12px; border-radius: 10px; margin-bottom: 10px; font-size: 14px; }
.success { background: var(--kz-success-bg); color: var(--kz-success-ink); }
.error { background: var(--kz-error-bg); color: var(--kz-error-ink); }
.warning { background: var(--kz-warning-bg); color: var(--kz-warning-ink); }

.panel {
  background: rgba(255,255,255,0.96);
  border: 1px solid #dadef0;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 16px 38px rgba(22, 17, 77, 0.08);
}

.subtitle { color: var(--kz-muted); margin-top: 0; }
.inline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }

.card { background: #fff; border: 1px solid var(--kz-line); border-radius: 16px; padding: 18px; box-shadow: 0 6px 18px rgba(58, 44, 203, 0.08); }
.card h3 { margin: 0 0 8px; font-family: 'Alata', sans-serif; }
.card p { margin: 0; color: #5d6676; }

label { font-size: 14px; font-weight: 600; color: #2a3552; display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; border: 1px solid #d8dcea; border-radius: 12px; background: #fff; padding: 10px 12px; font: inherit;
}

.table-wrap { overflow: auto; border-radius: 14px; border: 1px solid #d8dcea; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border-bottom: 1px solid #e8ecf6; padding: 10px; text-align: left; font-size: 14px; }
th { background: #f8f9ff; color: #273353; }

.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.kpi { margin: 0; font-size: 34px; font-family: 'Alata', sans-serif; color: var(--kz-primary); }
.kpi-label { margin: 0; color: #5a6578; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 10px; background: #edf1ff; color: #2a3f96; font-size: 12px; font-weight: 700; }

/* Public */
.site-header-wrap { position: sticky; top: 14px; z-index: 60; padding: 14px 0; }
.site-header {
  width: min(1220px, 94vw); margin: 0 auto; background: rgba(15, 15, 16, 0.9); color: #fff; border: 1px solid #26262f;
  border-radius: 999px; display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; backdrop-filter: blur(8px);
}
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a { color: #efedff; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 14px; }
.nav-links a:hover { background: rgba(91, 79, 217, 0.27); color: #fff; }
.nav-toggle { display: none; background: transparent; border: 0; color: #fff; font-size: 22px; }
.mobile-menu { display: none; position: fixed; inset: 0; background: rgba(10, 10, 10, 0.95); z-index: 90; padding: 24px; }
.mobile-menu.open { display: block; }
.mobile-menu .close-btn { border: 0; background: transparent; color: #fff; font-size: 24px; float: right; }
.mobile-menu-links { clear: both; display: grid; gap: 14px; margin-top: 52px; }
.mobile-menu-links a { text-decoration: none; color: #fff; font-size: 22px; font-family: 'Alata', sans-serif; }

.section { padding: 56px 0; }
.hero { padding-top: 54px; padding-bottom: 74px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: #eef0ff; color: var(--kz-primary); border: 1px solid #d5d9ff;
  border-radius: 999px; padding: 8px 14px; font-size: 12px; font-weight: 700; text-transform: uppercase;
}
.hero h1 { font-family: 'Alata', sans-serif; font-size: clamp(34px, 7vw, 66px); line-height: 1.07; margin: 18px 0 10px; }
.hero h1 span { background: linear-gradient(90deg, #25d366 0%, var(--kz-primary) 85%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: #4a5565; font-size: clamp(16px, 2.2vw, 20px); max-width: 820px; }
.hero-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 18px; }
.footer { background: #0f0f10; color: #d0d5dd; padding: 44px 0 22px; margin-top: 34px; }
.footer a { color: #d0d5dd; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 18px; }

/* App Layout */
.app-body { background: #f3f5fc; }
.app-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
  column-gap: 14px;
  transition: grid-template-columns .2s ease;
}
.app-sidebar {
  background: linear-gradient(180deg, #16104b 0%, #201770 65%, #2f239f 100%);
  color: #fff;
  border-right: 1px solid rgba(255,255,255,0.12);
  padding: 16px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.app-brand { margin-bottom: 2px; }
.app-logo { width: 46px; height: 46px; border-radius: 12px; }
.app-brand-title { margin: 0; font-family: 'Alata', sans-serif; font-size: 17px; color: #fff; white-space: nowrap; }
.app-brand-sub { margin: 2px 0 0; font-size: 11px; color: #c8c4ff; white-space: nowrap; }

.sidebar-nav { display: grid; gap: 7px; }
.sidebar-nav a {
  color: #ecebff; text-decoration: none; padding: 10px 12px; border-radius: 12px; display: flex; align-items: center; gap: 10px;
  font-size: 14px; white-space: nowrap;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.14); color: #fff; }
.sidebar-nav .logout-link {
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.sidebar-nav .logout-link:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sidebar-footer {
  margin-top: auto;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  padding: 12px;
  border-radius: 12px;
  display: grid;
  gap: 6px;
}
.sidebar-footer p { margin: 0; font-weight: 700; font-size: 13px; }
.sidebar-footer a { color: #e9e7ff; text-decoration: none; font-size: 13px; }

.app-main-wrap {
  min-width: 0;
  padding-right: 14px;
}
.app-topbar {
  height: 78px;
  border-bottom: 1px solid #e2e5f1;
  background: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
}
.topbar-left { display: flex; align-items: center; gap: 8px; }
.sidebar-toggle, .sidebar-collapse {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid #d7dced;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.sidebar-toggle { display: none; }
.topbar-title { margin: 0; font-family: 'Alata', sans-serif; font-size: 23px; color: #20284b; }
.topbar-subtitle { margin: 2px 0 0; color: #697388; font-size: 13px; }
.app-main { padding: 16px 0 22px; }

.app-layout.sidebar-collapsed {
  grid-template-columns: 92px 1fr;
  column-gap: 12px;
}
.app-layout.sidebar-collapsed .app-brand-title,
.app-layout.sidebar-collapsed .app-brand-sub,
.app-layout.sidebar-collapsed .sidebar-nav a span,
.app-layout.sidebar-collapsed .sidebar-footer p,
.app-layout.sidebar-collapsed .sidebar-footer a {
  display: none;
}
.app-layout.sidebar-collapsed .app-sidebar { padding: 16px 10px; }
.app-layout.sidebar-collapsed .sidebar-nav a { justify-content: center; padding: 11px 8px; }
.app-layout.sidebar-collapsed .app-brand { justify-content: center; }
.app-layout.sidebar-collapsed .sidebar-footer { display: none; }

/* Chat UI */
.chat-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  border: 1px solid #dde3f1;
  border-radius: 16px;
  height: calc(100vh - 220px);
  min-height: 580px;
  overflow: hidden;
  background: #fff;
}
.chat-sidebar {
  border-right: 1px solid #e3e7f3;
  background: #f8faff;
  padding: 12px;
}
.chat-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 6px 6px 10px;
}
.chat-sidebar h3 { margin: 0; font-family: 'Alata', sans-serif; }
.chat-count {
  background: #e8ecff;
  color: #2c3f9c;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
}
.chat-conversation-list { display: grid; gap: 8px; max-height: 100%; overflow: auto; padding-bottom: 4px; }
.chat-conversation-item {
  text-decoration: none;
  padding: 9px;
  border-radius: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid transparent;
}
.chat-conversation-item:hover { background: #f0f3ff; }
.chat-conversation-item.active { background: #e9ecff; border-color: #d8ddff; }
.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--kz-primary), var(--kz-secondary));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}
.chat-name { font-weight: 600; color: #242a42; font-size: 14px; }
.chat-time { color: #7c859d; font-size: 12px; }

.chat-thread-wrap { display: grid; grid-template-rows: auto 1fr auto; min-width: 0; }
.chat-thread-header { border-bottom: 1px solid #e3e7f3; padding: 12px 16px; background: #fff; }
.chat-thread-header h3 { margin: 0; font-family: 'Alata', sans-serif; }
.chat-thread {
  padding: 12px 14px;
  overflow-y: auto;
  background: radial-gradient(circle at 12% 10%, #edf0ff 0, transparent 40%), #f5f7fd;
}
.chat-thread-inner { max-width: 920px; margin: 0 auto; }
.chat-row { display: flex; margin-bottom: 10px; padding: 0 6px; }
.chat-row.inbound { justify-content: flex-start; }
.chat-row.outbound { justify-content: flex-end; }
.chat-bubble {
  max-width: min(72%, 560px);
  background: #fff;
  border: 1px solid #dfe4f1;
  border-radius: 14px;
  padding: 10px 12px;
  box-shadow: 0 3px 8px rgba(31, 46, 98, 0.06);
}
.chat-row.outbound .chat-bubble {
  background: #eaf8ef;
  border-color: #c9ead4;
}
.chat-text { margin: 0; color: #25304a; white-space: pre-wrap; word-break: break-word; }
.chat-meta { margin-top: 6px; color: #717a93; font-size: 11px; text-align: right; }
.chat-media-img { width: 240px; max-width: 100%; border-radius: 10px; display: block; margin-bottom: 6px; }
.chat-media-video { width: 280px; max-width: 100%; border-radius: 10px; display: block; margin-bottom: 6px; }
.chat-composer {
  border-top: 1px solid #e3e7f3;
  padding: 10px 12px;
  background: #fff;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}
.chat-composer input {
  background: #f7f9ff;
  color: #6b7391;
}

@media (max-width: 1060px) {
  .grid-3, .split, .kpis, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-block; }
  .nav-links { display: none; }

  .app-layout { grid-template-columns: 1fr; }
  .app-layout { column-gap: 0; }
  .app-sidebar {
    position: fixed;
    left: -295px;
    top: 0;
    bottom: 0;
    width: 280px;
    transition: left 0.2s ease;
    z-index: 120;
  }
  .app-layout.sidebar-open .app-sidebar { left: 0; }
  .sidebar-toggle { display: inline-flex; }
  .sidebar-collapse { display: none; }
  .app-main-wrap { padding-right: 0; }

  .chat-layout { grid-template-columns: 1fr; height: auto; min-height: 0; }
  .chat-sidebar { border-right: 0; border-bottom: 1px solid #e3e7f3; max-height: 220px; overflow: auto; }
  .chat-thread { min-height: 44vh; }
  .chat-bubble { max-width: 88%; }
}