/* ---------- App shell ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(7, 8, 10, 0.92) 0%, rgba(7, 8, 10, 0.7) 80%, transparent 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--scan) 0%, #2a9bb8 100%);
  display: grid;
  place-items: center;
  box-shadow: 0 0 16px var(--scan-glow);
  flex-shrink: 0;
}

.brand-mark svg {
  width: 16px;
  height: 16px;
  color: #04202a;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.brand-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.header-actions {
  display: flex;
  gap: 8px;
}

/* ---------- Main content ---------- */
.main {
  flex: 1;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 8px 16px 48px;
}

/* ---------- Views (stage management) ---------- */
.view {
  display: none;
  animation: viewIn 0.45s var(--ease-out) both;
}

.view.active {
  display: block;
}

@keyframes viewIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Hero / Idle ---------- */
.hero {
  text-align: center;
  padding: 28px 0 20px;
}

.hero h1 {
  font-size: 26px;
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero h1 span {
  background: linear-gradient(120deg, var(--scan) 0%, #a8f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--muted);
  font-size: 14px;
  max-width: 320px;
  margin: 0 auto;
  line-height: 1.55;
}

/* ---------- URL bar ---------- */
.url-bar {
  display: flex;
  gap: 8px;
  margin: 24px 0 8px;
  position: relative;
}

.url-bar input {
  flex: 1;
  min-width: 0;
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  backdrop-filter: blur(8px);
}

.url-bar input::placeholder {
  color: #8a8f98;
  opacity: 1;
}

.url-bar input:focus {
  outline: none;
  border-color: var(--border-cyan);
  box-shadow: 0 0 0 3px var(--scan-soft), var(--glow-cyan);
}

.url-bar .scan-btn {
  flex-shrink: 0;
  background: var(--scan);
  color: #04202a;
  border-radius: var(--radius);
  padding: 0 20px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), background var(--duration-fast);
  box-shadow: 0 0 20px rgba(98, 230, 255, 0.35);
}

.url-bar .scan-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(98, 230, 255, 0.5);
}

.url-bar .scan-btn:active:not(:disabled) {
  transform: translateY(0);
}

.url-bar .scan-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.url-bar .scan-btn svg {
  width: 16px;
  height: 16px;
}

.hint {
  text-align: center;
  font-size: 12px;
  color: var(--muted-dark);
  margin-bottom: 28px;
}

/* ---------- Glass card base ---------- */
.glass {
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.glass-strong {
  background: var(--panel-glass-strong);
  border: 1px solid var(--border-strong);
}

/* ---------- Auth header + panel ---------- */
.auth-header-btn {
  font-size: 12px;
  font-weight: 600;
  color: var(--text, #e8eef5);
  background: transparent;
  border: 1px solid var(--border-strong, rgba(255,255,255,0.12));
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
}
.auth-header-btn:hover {
  border-color: var(--scan, #62e6ff);
  color: var(--scan, #62e6ff);
}

.auth-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-strong, rgba(255,255,255,0.14));
  background: rgba(98, 230, 255, 0.12);
  color: var(--scan, #62e6ff);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
}

.auth-menu {
  position: absolute;
  top: 48px;
  right: 16px;
  min-width: 200px;
  background: var(--panel, #0e1014);
  border: 1px solid var(--border-strong, rgba(255,255,255,0.12));
  border-radius: 12px;
  padding: 10px;
  z-index: 80;
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}
.header-actions {
  position: relative;
}
.auth-menu-email {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 8px 10px;
  word-break: break-all;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
  margin-bottom: 6px;
}
.auth-menu-item {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text, #e8eef5);
  font-size: 13px;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}
.auth-menu-item:hover {
  background: rgba(255,255,255,0.05);
}

.auth-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 90;
}
.auth-panel {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(400px, calc(100vw - 32px));
  max-height: min(90vh, 560px);
  overflow: auto;
  background: var(--panel, #0e1014);
  border: 1px solid var(--border-strong, rgba(255,255,255,0.12));
  border-radius: 16px;
  padding: 20px 18px 22px;
  z-index: 100;
  box-shadow: 0 24px 64px rgba(0,0,0,0.55);
}
.auth-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.auth-panel-head h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.auth-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.auth-label {
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  color: var(--text, #e8eef5);
}
.auth-input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-strong, rgba(255,255,255,0.12));
  background: #0a0a0d;
  color: var(--text, #e8eef5);
  font: inherit;
  font-size: 14px;
}
.auth-input:focus {
  outline: none;
  border-color: var(--scan, #62e6ff);
}
.auth-submit {
  margin-top: 14px;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--scan, #62e6ff) 0%, #2a9bb8 100%);
  color: #04202a;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.auth-switch-line,
.auth-hint,
.auth-lead {
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 0;
  line-height: 1.45;
}
.auth-switch-line a,
.auth-hint a {
  color: var(--text, #e8eef5);
}
.auth-text-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--text, #e8eef5);
  text-decoration: underline;
  cursor: pointer;
}
.auth-msg {
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.4;
}
.auth-msg-err {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 100, 100, 0.25);
  color: #ffb4b4;
}
.auth-msg-ok {
  background: rgba(56, 225, 198, 0.1);
  border: 1px solid rgba(56, 225, 198, 0.28);
  color: #9af0e0;
}
.auth-msg-info {
  background: rgba(124, 108, 255, 0.1);
  border: 1px solid rgba(124, 108, 255, 0.25);
  color: #c8c0ff;
}
body.auth-open {
  overflow: hidden;
}