* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #0a0a0a;
    color: #fafafa;
}
.container {
    width: 100%;
    max-width: 380px;
    padding: 2rem;
    position: relative;
}
h1 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    text-align: center;
}
.auth-form {
    display: flex; flex-direction: column; gap: 1rem;
    transition: opacity 0.2s ease-out;
}
.auth-form.fade-out { opacity: 0; }
input[type="email"] {
    padding: 0.75rem 1rem;
    border: 1px solid #333;
    border-radius: 8px;
    background: #1a1a1a;
    color: #fafafa;
    font-size: 1rem;
    outline: none;
}
input[type="email"]:focus { border-color: #666; }
button {
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s;
}
button:hover { opacity: 0.85; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: #3b82f6; color: #fff; }
.btn-secondary { background: #333; color: #fafafa; }
#status {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: #999;
    text-align: center;
    min-height: 1.25rem;
}
#status.error { color: #ef4444; }
.logged-in {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}
.logged-in p { font-size: 1rem; color: #ccc; }
.logged-in .email { color: #3b82f6; font-weight: 500; }
.hidden { display: none !important; }
.verifying {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #0a0a0a;
    color: #999;
    font-size: 1rem;
    z-index: 1;
}
.spinner {
    width: 24px; height: 24px;
    border: 2px solid #333;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto 0.75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.note-section {
    width: 100%;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.note-section textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem 1rem;
    border: 1px solid #333;
    border-radius: 8px;
    background: #1a1a1a;
    color: #fafafa;
    font-size: 0.9rem;
    font-family: inherit;
    resize: vertical;
    outline: none;
}
.note-section textarea:focus { border-color: #666; }
.note-status {
    font-size: 0.75rem;
    color: #666;
    text-align: center;
}
.note-hint {
    font-size: 0.8rem;
    color: #666;
    text-align: center;
    padding: 1rem;
    border: 1px dashed #333;
    border-radius: 8px;
}
.passkey-section {
    width: 100%;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.passkey-section h2 {
    font-size: 1rem;
    font-weight: 500;
    color: #ccc;
}
.passkey-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.passkey-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    border: 1px solid #333;
    border-radius: 8px;
    background: #1a1a1a;
}
.passkey-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}
.passkey-id {
    font-family: monospace;
    font-size: 0.75rem;
    color: #999;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.passkey-transport {
    font-size: 0.7rem;
    color: #666;
}
.passkey-date {
    font-size: 0.7rem;
    color: #555;
}
.passkey-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}
.btn-verify-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
}
.btn-danger-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
    background: #dc2626;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
}
.btn-danger-sm:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}
.passkey-status {
    font-size: 0.75rem;
    color: #666;
    text-align: center;
}
.passkey-btn-row {
    display: flex;
    gap: 0.5rem;
}
.passkey-btn-row .btn-primary {
    flex: 1;
}
.invite-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}
.invite-modal {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 340px;
    width: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.invite-modal h2 {
    font-size: 1.1rem;
    font-weight: 500;
    color: #fafafa;
}
.invite-qr {
    background: #fff;
    border-radius: 8px;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.invite-countdown {
    font-family: monospace;
    font-size: 1.25rem;
    color: #3b82f6;
}
.invite-status {
    font-size: 0.8rem;
    color: #999;
    text-align: center;
}
.invite-accept {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}
.invite-accept h2 {
    font-size: 1.25rem;
    font-weight: 400;
    color: #fafafa;
}
.invite-accept-email {
    font-size: 0.9rem;
    color: #3b82f6;
    font-weight: 500;
}
.invite-accept-desc {
    font-size: 0.85rem;
    color: #999;
}
.invite-accept-status {
    font-size: 0.8rem;
    color: #999;
    min-height: 1.2rem;
}