/* ==========================================================================
   Class 1 reading notes. Layers on top of ../styles.css (hard-shadow system).
   Only the outer .section-inner owns a shadow; everything inside is flat.
   ========================================================================== */

main {
    padding-top: 64px;
}

main section {
    padding: 2.5rem 0;
}

a.nav-brand {
    text-decoration: none;
    display: inline-block;
}

/* Hero panel */
.notes-hero .section-inner > * + * {
    margin-top: 1rem;
}

.notes-kicker {
    font-size: 0.8rem;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
}

.notes-hero h1 {
    font-size: clamp(1.85rem, 3.5vw, 3rem);
    line-height: 1;
    letter-spacing: -0.03em;
    max-width: 16ch;
}

.notes-lede {
    font-size: 1.1rem;
    font-weight: 600;
    max-width: 68ch;
}

.notes-hero .section-inner p {
    max-width: 68ch;
}

.notes-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 16px;
    padding-top: 0.5rem;
}

.notes-progress {
    font-weight: 700;
    font-size: 0.9rem;
}

.notes-status {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 0;
}

/* Articles: flat blocks inside the shadowed section panel */
.note-article {
    background: #fff;
    border: var(--border-hard);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    scroll-margin-top: 80px;
    min-width: 0;
}

.note-article:last-child {
    margin-bottom: 0;
}

.note-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
}

.note-meta::before {
    content: "";
    width: 10px;
    height: 10px;
    background: var(--paper-strong);
    flex: none;
}

.note-article:nth-of-type(2) .note-meta::before { background: var(--accent-coral); }
.note-article:nth-of-type(3) .note-meta::before { background: var(--accent-apricot); }
.note-article:nth-of-type(4) .note-meta::before { background: var(--accent-rose); }

.note-article h3 {
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0.5rem 0 1rem;
}

.note-article h4 {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 1.5rem 0 0.5rem;
}

.note-body p,
.note-body li {
    max-width: 72ch;
    overflow-wrap: break-word;
}

.note-body p + p {
    margin-top: 0.75rem;
}

.note-body ul {
    padding-left: 1.25rem;
}

.note-body li + li {
    margin-top: 0.5rem;
}

/* Citation chips */
.cite {
    display: inline-block;
    min-width: 1.35em;
    padding: 0 0.3em;
    margin-left: 0.15em;
    background: var(--accent);
    border: 1.5px solid var(--ink);
    color: var(--ink);
    font-size: 0.7em;
    font-weight: 800;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: super;
}

.cite:hover {
    background: var(--ink);
    color: var(--paper-strong);
}

.cite:focus-visible,
.source-title:focus-visible,
.ready-list input:focus-visible,
.source-read input:focus-visible {
    outline: 2px solid var(--ink);
    outline-offset: 2px;
}

/* Sources */
.note-sources {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: var(--border-hard);
}

.note-sources h4 {
    margin-top: 0;
    margin-bottom: 0.9rem;
}

.note-count {
    font-weight: 650;
    color: var(--ink-soft);
    text-transform: none;
    letter-spacing: 0;
}

.source-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 14px;
}

.source {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 0;
    padding: 0.9rem;
    background: var(--surface);
    border: var(--border-hard);
    scroll-margin-top: 80px;
}

.source:target {
    background: var(--accent);
}

.source--extra {
    border-style: dashed;
}

.source-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.source-num {
    display: inline-block;
    min-width: 1.6rem;
    padding: 0.1rem 0.4rem;
    background: var(--ink);
    color: var(--paper-strong);
    font-size: 0.8rem;
    font-weight: 800;
    text-align: center;
}

.tag--muted {
    background: #fff;
    border: 1.5px solid var(--ink);
    padding: calc(0.3rem - 1.5px) calc(0.6rem - 1.5px);
}

.source-title {
    font-weight: 700;
    line-height: 1.3;
    color: var(--ink);
    overflow-wrap: anywhere;
}

.source-note {
    font-size: 0.875rem;
    color: var(--ink-soft);
    flex: 1;
}

.source-read {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 650;
    cursor: pointer;
}

.source-read input,
.ready-list input {
    width: 18px;
    height: 18px;
    accent-color: var(--ink);
    flex: none;
    cursor: pointer;
}

/* Checklist and notes */
.note-body .ready-list {
    list-style: none;
    padding-left: 0;
    margin-top: 0.5rem;
}

.ready-list li + li {
    margin-top: 0.6rem;
}

.ready-list label {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.7rem 0.9rem;
    background: var(--surface);
    border: var(--border-hard);
    cursor: pointer;
}

.ready-list input {
    margin-top: 0.15rem;
}

.question-box {
    margin-top: 1.25rem;
    padding: 1rem;
    background: var(--surface);
    border: var(--border-hard);
    min-width: 0;
}

.question-box label {
    display: block;
    font-weight: 800;
}

.question-hint {
    font-size: 0.875rem;
    color: var(--ink-soft);
    margin: 0.25rem 0 0.6rem;
}

.question-box textarea {
    display: block;
    width: 100%;
    min-height: 7rem;
    padding: 0.7rem;
    border: var(--border-hard);
    border-radius: 0;
    background: #fff;
    color: var(--ink);
    font: inherit;
    line-height: 1.5;
    resize: vertical;
}

.question-box textarea:focus {
    outline: 3px solid var(--paper-strong);
    outline-offset: 0;
}

#reminder .notes-actions {
    margin-top: 1.25rem;
}

@media (max-width: 720px) {
    main section {
        padding: 1.75rem 0;
    }

    .note-article {
        padding: 1rem;
    }

    .source-list {
        grid-template-columns: 1fr;
    }
}