/* ============================================
   Lock screen for password-protected case studies.
   Built by tools/lock_page.py; unlocked by js/lock.js.
   ============================================ */

/* The old stylesheet paints html near-black; this page is short, so it would show below. */
html {
    background: var(--rd-bg);
}

.rd-lock {
    max-width: 30em;
    margin: 0 auto;
    padding: 18vh 24px 120px;
    text-align: center;
}

.rd-lock__cat {
    display: inline-block;
    margin-bottom: 8px;
    font-family: 'SFMono-Regular', ui-monospace, Menlo, Consolas, monospace;
    font-size: 16px;
    color: var(--rd-text);
}

/* the cat shakes its head at a wrong password, in stop-motion */
.rd-lock.is-wrong .rd-lock__cat {
    animation: rd-lock-no 0.48s steps(1, jump-start);
}

@keyframes rd-lock-no {
    0%   { transform: translateX(0); }
    25%  { transform: translateX(-4px); }
    50%  { transform: translateX(4px); }
    75%  { transform: translateX(-4px); }
    100% { transform: translateX(0); }
}

.rd-lock__title {
    margin: 0;
    font-family: 'Inter Tight', 'Inter', sans-serif;
    font-weight: 300;
    font-size: 19px;
    letter-spacing: -0.02em;
    line-height: 1.45;
    color: var(--rd-text);
}

.rd-lock__note {
    margin: 8px 0 0;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #838b99;
}

.rd-lock__note a {
    font-weight: 400;
    color: var(--rd-text);
    text-decoration: none;
    border-bottom: 1px solid currentColor;
}

.rd-lock__form {
    max-width: 320px;
    margin: 48px auto 0;
    text-align: left;
}

.rd-lock__label {
    display: block;
    margin-bottom: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: #838b99;
}

.rd-lock__row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    border-bottom: 1px solid var(--rd-text);
}

.rd-lock__input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 8px 0;
    background: none;
    border: 0;
    border-radius: 0;
    outline: none;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    color: var(--rd-text);
}

.rd-lock__row:focus-within {
    border-bottom-width: 2px;
    margin-bottom: -1px;
}

.rd-lock__button {
    flex: none;
    padding: 8px 0;
    background: none;
    border: 0;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: var(--rd-text);
    cursor: pointer;
}

.rd-lock__button:hover {
    opacity: 0.6;
}

.rd-lock__button:disabled {
    opacity: 0.4;
    cursor: default;
}

.rd-lock__message {
    min-height: 1.5em;
    margin: 10px 0 0;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: #838b99;
}

.rd-lock.is-wrong .rd-lock__message {
    color: #c4492f;
}

@media (prefers-reduced-motion: reduce) {
    .rd-lock.is-wrong .rd-lock__cat {
        animation: none;
    }
}