/* landing.css */


/* ===== LANDING PAGE ===== */
.landing-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 28px 20px;
  overflow-y: auto;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.landing-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  max-height: calc(100vh - 56px);
  overflow-y: auto;
  overscroll-behavior: contain;
  box-shadow: 0 25px 80px rgba(0,0,0,0.25);
}

.landing-logo {
  width: 78px;
  height: 78px;
  display: block;
  margin: 0 auto 18px;
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(15,23,42,0.18);
}

.landing-title {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg,#667eea,#764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
  margin-bottom: 8px;
}

.landing-subtitle {
  text-align: center;
  color: #888;
  font-size: 14px;
  margin-bottom: 32px;
}

.landing-field { margin-bottom: 20px; }
.landing-field.compact { margin-bottom: 12px; }
.preset-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  margin-bottom: 18px;
}
.preset-select {
  min-width: 0;
  height: 38px;
  border-radius: 13px;
  border: 1px solid rgba(15,23,42,0.08);
  background: rgba(255,255,255,0.70);
  padding: 0 10px;
  color: #374151;
  font-size: 12px;
  font-weight: 700;
}
.preset-btn {
  height: 38px;
  padding: 0 11px;
  border-radius: 13px;
  border: 1px solid rgba(15,23,42,0.08);
  background: rgba(255,255,255,0.70);
  color: #374151;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}
.preset-btn:hover,
.preset-select:focus {
  border-color: rgba(0,113,227,0.32);
}
.preset-btn.danger {
  color: #b91c1c;
}
.landing-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  margin-bottom: 6px;
}
.landing-label.small {
  font-size: 12px;
  color: #555;
  margin-bottom: 5px;
}
.landing-input,
.landing-select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #e0e0e0;
  border-radius: 12px;
  font-size: 14px;
  outline: none;
  background: #fafafa;
}
.landing-select,
.landing-input.compact {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
}
.landing-select { cursor: pointer; }
.landing-remember {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 13px;
  color: #666;
}
.landing-checkbox {
  width: 16px;
  height: 16px;
  accent-color: #667eea;
  cursor: pointer;
}
.landing-remember label { cursor: pointer; }
.landing-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg,#667eea,#764ba2);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.landing-test-btn {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 13px;
  background: rgba(255,255,255,0.66);
  border: 1px solid rgba(15,23,42,0.10);
  color: #374151;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  margin: -6px 0 10px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.72);
}
.landing-test-btn:hover {
  border-color: rgba(0,113,227,0.34);
  color: #111827;
}
.landing-test-btn:disabled {
  opacity: 0.58;
  cursor: wait;
}
.landing-test-result {
  font-size: 12px;
  font-weight: 700;
  margin: -2px 0 14px;
  padding: 8px 10px;
  border-radius: 10px;
}
.landing-test-result.testing {
  color: #6b7280;
  background: rgba(107,114,128,0.08);
}
.landing-test-result.success {
  color: #047857;
  background: rgba(16,185,129,0.11);
}
.landing-test-result.error {
  color: #b91c1c;
  background: rgba(248,113,113,0.12);
}
.reverse-config {
  margin-top: 20px;
  border-top: 1px solid #eee;
  padding-top: 16px;
}
.reverse-config-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.reverse-config-title {
  font-size: 13px;
  font-weight: 600;
  color: #444;
}
.reverse-config-arrow {
  font-size: 12px;
  color: #888;
  transition: transform 0.2s;
}
.reverse-config-panel {
  display: none;
  margin-top: 12px;
}
.doubao-config { display: none; }
.landing-privacy {
  text-align: center;
  font-size: 12px;
  color: #bbb;
  margin-top: 16px;
}
.app-shell.is-hidden,
.is-hidden { display: none !important; }


/* ===== Visual system refresh: Landing ===== */
.landing-overlay {
  background:
    radial-gradient(circle at 14% 10%, rgba(0,113,227,0.18), transparent 30%),
    radial-gradient(circle at 88% 14%, rgba(175,82,222,0.14), transparent 28%),
    radial-gradient(circle at 52% 94%, rgba(90,200,250,0.16), transparent 36%),
    linear-gradient(180deg, #fbfbfd 0%, #f4f6fb 48%, #e9edf5 100%);
}
.landing-card {
  max-width: 444px;
  padding: 42px 38px 34px;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.86), rgba(248,250,253,0.74)),
    rgba(255,255,255,0.70);
  border: 1px solid rgba(255,255,255,0.86);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.94),
    0 28px 70px rgba(15,23,42,0.13),
    0 70px 140px rgba(15,23,42,0.10);
}

.landing-card::-webkit-scrollbar {
  width: 8px;
}

.landing-card::-webkit-scrollbar-track {
  background: transparent;
}

.landing-card::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(15,23,42,0.16);
}

.landing-card::-webkit-scrollbar-thumb:hover {
  background: rgba(15,23,42,0.26);
}
.landing-title {
  color: #111827;
  background: none;
  -webkit-text-fill-color: initial;
  font-size: 30px;
  letter-spacing: -0.04em;
}
.landing-subtitle {
  color: #7b8492;
  font-weight: 600;
  margin-bottom: 28px;
}
.landing-label {
  color: #4b5563;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.landing-input,
.landing-select {
  height: 44px;
  border-radius: 15px;
  border: 1px solid rgba(15,23,42,0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.90), rgba(248,250,252,0.78));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.86);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}
.landing-input:focus,
.landing-select:focus {
  background: rgba(255,255,255,0.96);
  border-color: rgba(0,113,227,0.42);
  box-shadow: 0 0 0 4px rgba(0,113,227,0.10), inset 0 1px 0 rgba(255,255,255,0.92);
}
.landing-submit {
  min-height: 46px;
  border-radius: 16px;
  background: linear-gradient(180deg, #0a84ff, #0071e3);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 18px 34px rgba(0,113,227,0.25);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.landing-submit:hover {
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 22px 42px rgba(0,113,227,0.30);
}
.landing-remember {
  color: #6b7280;
  font-weight: 600;
}
.landing-checkbox {
  accent-color: #0071e3;
}
.reverse-config {
  margin-top: 22px;
  border-top: 1px solid rgba(15,23,42,0.06);
  padding-top: 18px;
}
.reverse-config-toggle {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(255,255,255,0.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.82);
}
.reverse-config-title {
  color: #374151;
  font-weight: 800;
}
.reverse-config-panel {
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.66), rgba(247,249,252,0.56));
  border: 1px solid rgba(255,255,255,0.72);
}
.landing-privacy {
  color: #9aa3af;
  font-weight: 600;
}

/* API Required Hint with QR Code */
.api-required-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.66), rgba(247,249,252,0.56));
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 18px;
  margin-bottom: 24px;
}

.api-qrcode {
  width: 120px;
  height: 120px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15,23,42,0.12);
  margin-bottom: 16px;
}

.qrcode-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.api-hint-text {
  text-align: center;
}

.api-hint-title {
  font-size: 16px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 6px;
}

.api-hint-desc {
  font-size: 13px;
  color: #6b7280;
  font-weight: 600;
}