@font-face {
  font-family: 'UKIJ Ekran';
  src: local('UKIJ Ekran'), local('UKIJ Tuz Tom');
}

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

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

.kartus-auth-body {
  font-family: 'UKIJ Ekran', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: #0f172a;
  color: #0f172a;
}

.kartus-auth-body.ltr {
  direction: ltr;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.kartus-auth-body.rtl {
  direction: rtl;
}

.kartus-auth-page {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.kartus-auth-bg {
  position: fixed;
  inset: 0;
  background: linear-gradient(145deg, #1a237e 0%, #4a148c 45%, #ff6f00 100%);
  z-index: 0;
}

.kartus-auth-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,0.14), transparent 42%),
    radial-gradient(circle at 82% 72%, rgba(255,255,255,0.08), transparent 36%);
}

.kartus-auth-layout {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.kartus-auth-hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px 56px;
  color: #fff;
  text-align: center;
}

.kartus-auth-hero-logo {
  font-size: 72px;
  line-height: 1;
  margin-bottom: 16px;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.25));
}

.kartus-auth-hero-brand {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: .04em;
  margin-bottom: 12px;
}

.kartus-auth-hero-sub {
  font-size: 16px;
  opacity: .9;
  max-width: 420px;
  line-height: 1.7;
}

.kartus-auth-hero-features {
  margin-top: 40px;
  display: grid;
  gap: 14px;
  max-width: 380px;
  width: 100%;
}

.kartus-auth-hero-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  font-size: 14px;
  text-align: start;
}

.kartus-auth-hero-feature span:first-child {
  font-size: 22px;
  flex-shrink: 0;
}

.kartus-auth-main-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
}

.kartus-auth-panel {
  width: 100%;
  max-width: 480px;
}

.kartus-auth-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}

.kartus-auth-topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kartus-auth-btn-ghost {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.14);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background .2s, transform .15s;
}

.kartus-auth-btn-ghost:hover {
  background: rgba(255,255,255,.22);
  transform: translateY(-1px);
}

.kartus-auth-lang {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(0,0,0,.18);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.kartus-auth-server-banner {
  margin-bottom: 14px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(0,0,0,.55);
  color: #ffb74d;
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

.kartus-auth-card {
  background: rgba(255,255,255,.97);
  border-radius: 24px;
  padding: 28px 26px 30px;
  box-shadow: 0 24px 60px rgba(0,0,0,.22);
}

.theme-dark .kartus-auth-card {
  background: rgba(37,36,36,.97);
  color: #f5f5f5;
}

.kartus-auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
  background: #f0f0f0;
  border-radius: 999px;
  padding: 5px;
}

.theme-dark .kartus-auth-tabs {
  background: #1a1a1a;
}

.kartus-auth-tab {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: #888;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all .2s;
}

.kartus-auth-tab.active {
  background: #fff;
  color: #ff6f00;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

.theme-dark .kartus-auth-tab.active {
  background: #333;
  color: #ffb74d;
}

.kartus-auth-email-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.kartus-auth-email-back {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: #f0f0f0;
  cursor: pointer;
  font-size: 18px;
}

.theme-dark .kartus-auth-email-back {
  background: #333;
  color: #fff;
}

.kartus-auth-email-title {
  font-size: 18px;
  font-weight: 800;
}

.kartus-auth-field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding: 0 16px;
  min-height: 52px;
  border-radius: 14px;
  background: #f5f5f5;
  border: 1px solid #ececec;
}

.theme-dark .kartus-auth-field {
  background: #1a1a1a;
  border-color: #333;
}

.kartus-auth-prefix {
  font-size: 15px;
  font-weight: 700;
  color: #666;
  flex-shrink: 0;
}

.kartus-auth-field input {
  flex: 1;
  height: 50px;
  border: none;
  background: transparent;
  font-size: 15px;
  color: #222;
  outline: none;
  min-width: 0;
}

.theme-dark .kartus-auth-field input {
  color: #f5f5f5;
}

.kartus-auth-field input::placeholder {
  color: #aaa;
}

.kartus-auth-code-btn {
  flex-shrink: 0;
  padding: 10px 16px;
  border-radius: 999px;
  border: none;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, #ff8f00, #ff6f00);
  cursor: pointer;
  white-space: nowrap;
}

.kartus-auth-code-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.kartus-auth-switch-row {
  text-align: center;
  margin: 4px 0 8px;
}

.kartus-auth-switch-link {
  font-size: 13px;
  color: #ff6f00;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

.kartus-auth-submit {
  width: 100%;
  margin-top: 8px;
  height: 52px;
  border: none;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(90deg, #ff8f00, #e65100);
  box-shadow: 0 12px 28px rgba(230, 81, 0, .35);
  cursor: pointer;
  transition: opacity .2s, transform .15s;
}

.kartus-auth-submit:hover:not(:disabled) {
  transform: translateY(-1px);
}

.kartus-auth-submit:disabled {
  opacity: .7;
  cursor: wait;
}

.kartus-auth-cancel-inline {
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #888;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  padding: 8px;
}

.kartus-auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 18px;
}

.kartus-auth-divider-line {
  flex: 1;
  height: 1px;
  background: #e0e0e0;
}

.theme-dark .kartus-auth-divider-line {
  background: #444;
}

.kartus-auth-divider-text {
  font-size: 12px;
  color: #999;
  white-space: nowrap;
}

.kartus-auth-social {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.kartus-auth-social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #666;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

.theme-dark .kartus-auth-social-item {
  color: #bbb;
}

.kartus-auth-social-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  transition: transform .15s;
}

.kartus-auth-social-item:hover .kartus-auth-social-icon {
  transform: scale(1.06);
}

.kartus-auth-social-item.wechat .kartus-auth-social-icon { background: linear-gradient(135deg, #07c160, #059a4c); }
.kartus-auth-social-item.qq .kartus-auth-social-icon { background: linear-gradient(135deg, #12b7f5, #0d8ecf); }
.kartus-auth-social-item.douyin .kartus-auth-social-icon { background: linear-gradient(135deg, #111, #fe2c55); }
.kartus-auth-social-item.email .kartus-auth-social-icon { background: linear-gradient(135deg, #ff9800, #f57c00); }

.kartus-auth-skip {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.88);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
}

.kartus-auth-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(15,23,42,.92);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  max-width: min(90vw, 420px);
  text-align: center;
}

.kartus-auth-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.kartus-auth-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.kartus-auth-modal.open {
  display: flex;
}

.kartus-auth-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(16,16,16,.88);
}

.kartus-auth-modal-box {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  background: #fff;
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

.kartus-auth-modal-box h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.kartus-auth-modal-box p {
  margin: 0 0 18px;
  color: #666;
  font-size: 14px;
  line-height: 1.6;
}

.kartus-auth-qr {
  width: 220px;
  min-height: 220px;
  margin: 0 auto 16px;
  padding: 10px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #eee;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kartus-auth-qr canvas,
.kartus-auth-qr img {
  display: block;
  width: 200px !important;
  height: 200px !important;
  margin: 0 auto;
}

.kartus-auth-modal-close {
  margin-top: 8px;
  padding: 10px 24px;
  border-radius: 999px;
  border: none;
  background: #ff8700;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.kartus-auth-hidden { display: none !important; }

@media (max-width: 960px) {
  .kartus-auth-layout {
    grid-template-columns: 1fr;
  }
  .kartus-auth-hero {
    padding: 36px 24px 12px;
  }
  .kartus-auth-hero-brand { font-size: 32px; }
  .kartus-auth-hero-features { display: none; }
  .kartus-auth-main-wrap { padding: 8px 16px 32px; }
}

@media (max-width: 480px) {
  .kartus-auth-card { padding: 22px 18px 24px; border-radius: 20px; }
  .kartus-auth-social-icon { width: 46px; height: 46px; font-size: 20px; }
}