:root {
    --annotation-accent: #b6533e;
    --annotation-accent-strong: #8f3c2e;
    --annotation-accent-soft: #f8e8e2;
    --annotation-panel: #fffdf9;
    --annotation-surface: #f6f1e8;
    --annotation-border: #ddd3c5;
    --annotation-text: #2c2926;
    --annotation-muted: #6d655d;
    --annotation-danger: #a63d35;
}

::highlight(share-annotations) {
    color: inherit;
    background: rgba(200, 101, 75, 0.28);
    text-decoration: underline;
    text-decoration-color: rgba(143, 60, 46, 0.58);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.annotation-rail-button,
.annotation-selection-button,
.annotation-icon-button,
.annotation-primary-button,
.annotation-secondary-button,
.annotation-locate-button,
.annotation-copy-link-button,
.annotation-detached-label {
    font: inherit;
}

.annotation-rail-button {
    position: fixed;
    z-index: 2500;
    inset-block-start: 16px;
    inset-inline-end: 14px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 42px;
    padding: 8px 10px;
    color: #fff;
    background: var(--annotation-accent);
    border: 0;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(92, 46, 34, 0.22);
    cursor: grab;
    touch-action: none;
    transition: background-color 160ms ease-out, transform 160ms ease-out, box-shadow 160ms ease-out;
}

.annotation-rail-button.is-dragging {
    cursor: grabbing;
    transition: background-color 160ms ease-out, box-shadow 160ms ease-out;
    user-select: none;
}

.annotation-rail-button:hover {
    background: var(--annotation-accent-strong);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(92, 46, 34, 0.28);
}

.annotation-rail-icon {
    font-size: 20px;
    line-height: 1;
}

.annotation-rail-count {
    min-width: 18px;
    padding: 1px 5px;
    color: var(--annotation-accent-strong);
    background: #fff;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 750;
    text-align: center;
}

.annotation-selection-button {
    position: fixed;
    z-index: 2800;
    transform: translateX(-50%);
    min-height: 36px;
    padding: 7px 13px;
    color: #fff;
    background: var(--annotation-accent-strong);
    border: 0;
    border-radius: 999px;
    box-shadow: 0 7px 20px rgba(72, 34, 26, 0.3);
    cursor: pointer;
    font-size: 14px;
    font-weight: 720;
}

.annotation-selection-button[hidden] {
    display: none;
}

.annotation-sidebar {
    position: fixed;
    z-index: 2700;
    inset-block: 0;
    inset-inline-end: 0;
    display: flex;
    flex-direction: column;
    width: min(390px, calc(100vw - 36px));
    padding: 0 18px 28px;
    overflow: hidden;
    color: var(--annotation-text);
    background: var(--annotation-panel);
    border-inline-start: 1px solid var(--annotation-border);
    box-shadow: -12px 0 34px rgba(63, 48, 38, 0.16);
    transform: translateX(105%);
    visibility: hidden;
    transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), visibility 220ms;
}

.annotation-sidebar[aria-hidden="false"] {
    transform: translateX(0);
    visibility: visible;
}

.annotation-sidebar-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 68px;
    background: var(--annotation-panel);
    border-block-end: 1px solid var(--annotation-border);
}

.annotation-sidebar-header h2 {
    margin: 0;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.015em;
}

.annotation-icon-button {
    display: grid;
    width: 36px;
    height: 36px;
    padding: 0;
    place-items: center;
    color: var(--annotation-muted);
    background: transparent;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    font-size: 26px;
    line-height: 1;
}

.annotation-icon-button:hover {
    color: var(--annotation-text);
    background: var(--annotation-surface);
}

.annotation-sidebar-intro,
.annotation-status,
.annotation-empty-state {
    color: var(--annotation-muted);
    font-size: 14px;
    line-height: 1.6;
}

.annotation-sidebar-intro {
    margin: 16px 0 12px;
}

.annotation-status {
    flex: 0 0 auto;
}

.annotation-composer {
    display: grid;
    gap: 10px;
    margin-block-end: 16px;
    padding: 14px;
    background: var(--annotation-surface);
    border-radius: 14px;
}

.annotation-composer[hidden],
.annotation-reply-form[hidden] {
    display: none;
}

.annotation-field-label {
    color: var(--annotation-muted);
    font-size: 12px;
    font-weight: 700;
}

.annotation-composer-quote,
.annotation-thread-quote {
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.annotation-composer-quote {
    max-height: 110px;
    margin: 0;
    padding: 10px 12px;
    overflow: auto;
    color: var(--annotation-text);
    background: var(--annotation-panel);
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.55;
}

.annotation-input,
.annotation-textarea {
    width: 100%;
    min-width: 0;
    color: var(--annotation-text);
    background: var(--annotation-panel);
    border: 1px solid var(--annotation-border);
    border-radius: 10px;
    outline: none;
    font: inherit;
    font-size: 14px;
}

.annotation-input {
    min-height: 40px;
    padding: 8px 10px;
}

.annotation-textarea {
    min-height: 82px;
    padding: 10px;
    resize: vertical;
    line-height: 1.55;
}

.annotation-input:focus,
.annotation-textarea:focus {
    border-color: var(--annotation-accent);
    box-shadow: 0 0 0 3px rgba(182, 83, 62, 0.14);
}

.annotation-form-actions,
.annotation-thread-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.annotation-primary-button,
.annotation-secondary-button {
    min-height: 36px;
    padding: 7px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 720;
}

.annotation-primary-button {
    color: #fff;
    background: var(--annotation-accent);
    border: 1px solid var(--annotation-accent);
}

.annotation-primary-button:hover {
    background: var(--annotation-accent-strong);
    border-color: var(--annotation-accent-strong);
}

.annotation-secondary-button {
    color: var(--annotation-text);
    background: transparent;
    border: 1px solid var(--annotation-border);
}

.annotation-secondary-button:hover {
    background: var(--annotation-surface);
}

.annotation-primary-button:disabled,
.annotation-secondary-button:disabled,
.annotation-input:disabled,
.annotation-textarea:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

.annotation-inline-error {
    min-height: 18px;
    margin: 0;
    color: var(--annotation-danger);
    font-size: 12px;
    line-height: 1.45;
}

.annotation-thread-list {
    flex: 1 1 auto;
    min-height: 0;
    padding-block-end: 32px;
    overflow: auto;
    overscroll-behavior: contain;
}

.annotation-thread {
    padding: 16px 0 18px;
    border-block-start: 1px solid var(--annotation-border);
}

.annotation-thread:first-child {
    border-block-start: 0;
}

.annotation-thread-header {
    display: grid;
    gap: 8px;
}

.annotation-thread-quote {
    margin: 0;
    color: var(--annotation-text);
    font-size: 13px;
    font-weight: 680;
    line-height: 1.55;
}

.annotation-locate-button,
.annotation-detached-label {
    justify-self: start;
    padding: 2px 0;
    border: 0;
    font-size: 12px;
}

.annotation-locate-button {
    color: var(--annotation-accent-strong);
    background: transparent;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.annotation-copy-link-button {
    justify-self: start;
    padding: 2px 0;
    color: var(--annotation-muted);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-size: 12px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.annotation-copy-link-button:hover {
    color: var(--annotation-accent-strong);
}

.annotation-detached-label {
    color: var(--annotation-danger);
    background: transparent;
}

.annotation-messages {
    display: grid;
    gap: 12px;
    margin-block: 14px;
}

.annotation-message {
    min-width: 0;
    padding: 11px 12px;
    background: var(--annotation-surface);
    border-radius: 12px;
}

.annotation-message-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    color: var(--annotation-muted);
    font-size: 11px;
}

.annotation-message-meta strong {
    min-width: 0;
    overflow: hidden;
    color: var(--annotation-text);
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
}

.annotation-message p {
    margin: 7px 0 0;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.58;
}

.annotation-message-count {
    margin-inline-end: auto;
    color: var(--annotation-muted);
    font-size: 12px;
}

.annotation-reply-form {
    display: grid;
    gap: 8px;
    margin-block-start: 12px;
}

.annotation-source-flash {
    animation: annotation-source-flash 1.4s ease-out;
}

@keyframes annotation-source-flash {
    0%,
    35% {
        background-color: rgba(200, 101, 75, 0.2);
    }
    100% {
        background-color: transparent;
    }
}

.annotation-rail-button:focus-visible,
.annotation-selection-button:focus-visible,
.annotation-icon-button:focus-visible,
.annotation-primary-button:focus-visible,
.annotation-secondary-button:focus-visible,
.annotation-locate-button:focus-visible {
    outline: 3px solid rgba(182, 83, 62, 0.38);
    outline-offset: 3px;
}

.annotation-copy-link-button:focus-visible {
    outline: 3px solid rgba(182, 83, 62, 0.38);
    outline-offset: 3px;
}

@media (max-width: 720px) {
    .annotation-rail-button {
        inset-block-start: auto;
        inset-block-end: 84px;
        inset-inline-end: 12px;
        transform: none;
    }

    .annotation-sidebar {
        inset-block-start: auto;
        width: 100%;
        max-height: min(78dvh, 720px);
        padding-inline: 16px;
        border-inline-start: 0;
        border-block-start: 1px solid var(--annotation-border);
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -12px 34px rgba(63, 48, 38, 0.18);
        transform: translateY(105%);
    }

    .annotation-sidebar[aria-hidden="false"] {
        transform: translateY(0);
    }

    .annotation-sidebar-header {
        min-height: 58px;
    }

    .annotation-selection-button {
        max-width: calc(100vw - 16px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .annotation-sidebar,
    .annotation-rail-button {
        transition: none;
    }

    .annotation-source-flash {
        animation: none;
    }
}

@media print {
    .annotation-rail-button,
    .annotation-selection-button,
    .annotation-sidebar,
    .annotation-popover,
    .annotation-card,
    #share-annotations-root {
        display: none !important;
    }
}