/* Scoped to the public showcase; retain the Open KazNU header and footer. */
.sdg4 { --sdg4-ink: #1a263c; --sdg4-red: #a71930; --sdg4-line: #cbd1da; color: var(--sdg4-ink); max-width: 1200px; padding: 28px 24px 64px; margin: auto; font-family: "Open Sans", "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; }
.sdg4 *, .sdg4 *::before, .sdg4 *::after { box-sizing: border-box; }
.sdg4 h1, .sdg4 h2, .sdg4 h3 { color: var(--sdg4-ink); font-family: inherit; line-height: 1.3; text-align: left; overflow-wrap: anywhere; }
.sdg4 h1 { font-size: clamp(1.7rem, 4vw, 2.7rem); font-weight: 700; margin: 0 0 18px; }
.sdg4 h2 { font-size: 1.5rem; font-weight: 700; margin: 28px 0 16px; }
.sdg4 h3 { font-size: 1.15rem; font-weight: 700; }
.sdg4 a { color: #154e83; text-decoration: underline; overflow-wrap: anywhere; }
.sdg4 a:hover { color: #087159; }
.sdg4 :focus-visible { outline: 3px solid #005fcc; outline-offset: 4px; }
.sdg4-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--sdg4-line); }
.sdg4-brand { font-weight: 700; }
.sdg4-languages { display: flex; gap: 4px; margin: 0; }
.sdg4 button, .sdg4-button { display: inline-block; border: 1px solid #154e83; border-radius: 6px; background: #fff; color: #154e83; padding: 10px 16px; min-height: 44px; cursor: pointer; text-decoration: none; font: inherit; text-shadow: none; box-shadow: none; }
.sdg4 .sdg4-button, .sdg4-languages button[aria-pressed="true"] { background: var(--sdg4-ink); color: #fff; border-color: var(--sdg4-ink); }
.sdg4 .sdg4-button:hover { background: #2b446a; color: #fff; }
.sdg4-hero { margin: 32px 0; padding: 36px; border-radius: 12px; background: #a71930; color: #fff; }
.sdg4-hero h1 { color: #fff; margin-top: 14px; }
.sdg4-hero p { color: #fff; font-size: 1.1rem; max-width: 820px; }
.sdg4-eyebrow { font-size: .9rem; letter-spacing: .07em; text-transform: uppercase; }
.sdg4-intro { max-width: 980px; }
.sdg4-targets { padding-left: 24px; }
.sdg4-targets li { margin-bottom: 12px; }
.sdg4-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 0; }
.sdg4-grid li { margin: 0; }
.sdg4-card { display: flex; justify-content: space-between; align-items: center; height: 100%; gap: 14px; padding: 24px; border: 1px solid var(--sdg4-line); border-top: 4px solid var(--sdg4-red); border-radius: 8px; background: #fff; font-weight: 600; }
.sdg4-card span { flex: 0 0 auto; }
.sdg4-breadcrumb { margin: 24px 0; font-size: .9rem; }
.sdg4-teachers { list-style: none; margin: 0; padding: 0; }
.sdg4-teachers li { border-bottom: 1px solid var(--sdg4-line); padding: 20px 0; }
.sdg4-teachers li > a:first-child { font-weight: 700; font-size: 1.15rem; }
.sdg4-teachers p { margin: 6px 0; }
.sdg4-empty { background: #f1f4f8; padding: 24px; border-radius: 8px; }
.sdg4-profile { display: flex; gap: 28px; align-items: flex-start; margin-bottom: 28px; }
.sdg4-photo { width: 144px; height: 144px; object-fit: cover; border-radius: 8px; }
.sdg4-permalink { padding: 18px; background: #f1f4f8; border-radius: 8px; }
.sdg4-permalink label { display: block; font-weight: 600; margin-bottom: 6px; }
.sdg4 input, .sdg4 textarea, .sdg4 select { width: 100%; max-width: 100%; padding: 10px; border: 1px solid #747f90; border-radius: 4px; font: inherit; min-height: 44px; background: #fff; color: var(--sdg4-ink); }
.sdg4 input[type="checkbox"] { width: 24px; min-height: 24px; vertical-align: middle; }
.sdg4 input[disabled], .sdg4 select[disabled] { background: #eef0f4; color: #475569; }
.sdg4-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 32px; }
.sdg4-tabs a { border: 1px solid var(--sdg4-line); border-bottom: 4px solid var(--sdg4-line); padding: 18px; background: #f4f6f9; border-radius: 6px 6px 0 0; font-weight: 600; }
.sdg4-tabs a[aria-current="page"] { background: #fff; border-bottom-color: var(--sdg4-red); color: var(--sdg4-ink); text-decoration: none; }
.sdg4-course { border: 1px solid var(--sdg4-line); border-radius: 0 0 8px 8px; padding: 28px; scroll-margin-top: 30px; }
.sdg4-course h2 { margin-top: 0; }
.sdg4-annotation { white-space: pre-line; }
.sdg4-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; background: #f4f6f9; padding: 22px; border-radius: 8px; }
.sdg4-meta dt { font-size: .9rem; color: #485469; }
.sdg4-meta dd { font-weight: 600; margin: 4px 0 0; overflow-wrap: anywhere; }
.sdg4-materials { padding-left: 26px; }
.sdg4-materials > li { padding: 12px 0 24px; border-bottom: 1px solid var(--sdg4-line); }
.sdg4-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-bottom: 16px; }
.sdg4 summary { cursor: pointer; color: #154e83; text-decoration: underline; padding: 10px 0; }
.sdg4-pdf { width: 100%; height: 640px; border: 1px solid var(--sdg4-line); }
.sdg4-video { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; background: #101828; }
.sdg4-edit fieldset { min-width: 0; margin: 28px 0; padding: 24px; border: 1px solid var(--sdg4-line); border-radius: 8px; }
.sdg4-edit legend { width: auto; font-weight: 700; font-size: 1.2rem; color: var(--sdg4-ink); padding: 0 8px; }
.sdg4-edit label { display: block; font-weight: 600; margin-bottom: 6px; }
.sdg4-edit .helptext { display: block; color: #485469; font-size: .9rem; }
.sdg4-edit .errorlist, .sdg4-errors { color: #8a1527; background: #fff0f2; padding: 14px 28px; border-left: 4px solid #8a1527; }
.sdg4-edit .sdg4-material-form { background: #f4f6f9; }
.sdg4-editor-link { text-align: right; }
.sdg4-edit > details { margin: 22px 0; padding: 20px; border: 1px solid var(--sdg4-line); border-radius: 8px; }
.sdg4-edit > details > summary { font-weight: 700; font-size: 1.2rem; }
.sdg4-edit details details { margin: 18px 0; padding: 12px 16px; border: 1px solid var(--sdg4-line); border-radius: 6px; }
.sdg4-edit-intro { max-width: 800px; }
.sdg4-saved { color: #14532d; background: #edf8ef; border-left: 4px solid #238444; padding: 16px; }
.sdg4-save-actions { display: flex; flex-wrap: wrap; gap: 14px; padding: 16px 0; }
.sdg4-save-actions .sdg4-danger-link { align-self: center; margin-left: auto; color: #a71930; font-weight: 700; }
.sdg4-home-link { display: block; margin: 20px 0; padding: 22px; background: #a71930; color: #fff !important; border-radius: 8px; text-align: center; font-weight: 700; }
@media (max-width: 900px) { .sdg4-grid, .sdg4-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .sdg4 { padding: 20px 16px 40px; } .sdg4-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; } .sdg4-grid, .sdg4-tabs, .sdg4-meta { grid-template-columns: minmax(0, 1fr); } .sdg4-hero, .sdg4-course, .sdg4-edit fieldset { padding: 20px; } .sdg4-profile { flex-direction: column; } .sdg4-tabs a { padding: 14px; } .sdg4-pdf { height: 420px; } }

/* Editorial landing: SDG red, KazNU blue and generous reading space. */
.sdg4 { --sdg4-red: #c5192d; --sdg4-blue: #075b99; max-width: 1280px; }
.sdg4 [hidden] { display: none !important; }
.sdg4-landing-hero { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 58px; align-items: center; margin: 28px 0 64px; padding: 60px 48px; background: #f1f2f2; border-radius: 4px 4px 90px 4px; overflow: hidden; }
.sdg4-landing-hero::before { content: ''; position: absolute; width: 110px; height: 8px; background: var(--sdg4-blue); top: 0; left: 48px; }
.sdg4 .sdg4-hero-copy h1 { font-size: clamp(2rem, 3.5vw, 3rem); line-height: 1.12; letter-spacing: -.035em; margin: 20px 0 24px; }
.sdg4-hero-copy > p:not(.sdg4-eyebrow) { font-size: 1.05rem; line-height: 1.75; }
.sdg4-hero-copy .sdg4-actions { margin: 30px 0 0; gap: 16px; }
.sdg4-eyebrow { font-size: .75rem; line-height: 1.7; font-weight: 700; letter-spacing: .08em; color: #506074; }
.sdg4 .sdg4-button { border-radius: 3px; background: var(--sdg4-blue); border-color: var(--sdg4-blue); font-weight: 600; }
.sdg4 .sdg4-button:hover { background: #064576; }
.sdg4-goal-art { background: var(--sdg4-red); color: #fff; padding: 28px 30px 22px; border-radius: 2px 2px 85px 2px; box-shadow: 14px 14px 0 var(--sdg4-blue); transform: rotate(-2deg); animation: sdg4-arrive 900ms ease-out both; }
.sdg4-goal-art svg { display: block; width: 100%; height: auto; padding: 8px 16px; }
.sdg4-goal-art > p { color: #fff; font-weight: 600; font-size: .9rem; text-align: center; margin: 16px 0 0; }
.sdg4-goal-number { display: flex; align-items: center; gap: 16px; font-size: 4.6rem; font-weight: 800; line-height: 1; }
.sdg4-goal-number span { font-size: 1.2rem; line-height: 1.15; letter-spacing: .01em; }
.sdg4-about { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; padding: 16px 0 40px; }
.sdg4-about h2 { font-size: 2.15rem; letter-spacing: -.025em; margin-top: 12px; }
.sdg4-about-copy { font-size: 1.05rem; line-height: 1.85; }
.sdg4-about-copy p { margin-top: 0; }
.sdg4-goals { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 12px 0 70px; }
.sdg4-target { display: flex; gap: 24px; padding: 30px; background: #f2f5f8; border-top: 4px solid var(--sdg4-blue); border-radius: 3px 3px 36px 3px; }
.sdg4-target:nth-child(2) { background: #faf0f1; border-color: var(--sdg4-red); }
.sdg4-target-number { font-size: 2.4rem; font-weight: 800; color: var(--sdg4-blue); line-height: 1.2; }
.sdg4-target:nth-child(2) .sdg4-target-number { color: var(--sdg4-red); }
.sdg4-target h2 { font-size: 1.15rem; margin: 4px 0 16px; }
.sdg4-target p { margin: 0; font-size: .95rem; line-height: 1.75; }
.sdg4-catalogue, .sdg4-faculty-section { margin: 55px 0; scroll-margin-top: 30px; }
.sdg4-section-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin: 0 0 24px; }
.sdg4-section-heading h2 { font-size: 2rem; margin: 0; letter-spacing: -.025em; }
.sdg4-section-heading .sdg4-eyebrow { margin: 0 0 10px; }
.sdg4-filters, .sdg4-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sdg4-filters label { display: block; font-size: .85rem; margin-bottom: 8px; font-weight: 600; }
.sdg4-result-count { font-size: .85rem; color: #506074; margin: 16px 0; }
.sdg4-resource-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 0; list-style: none; margin: 0; }
.sdg4-resource-card { min-width: 0; border: 1px solid #dce2e8; border-radius: 6px; overflow: hidden; background: #fff; transition: box-shadow 200ms ease, transform 200ms ease; }
.sdg4-resource-card:hover { box-shadow: 0 10px 30px #102c4d15; }
.sdg4-resource-cover { position: relative; display: flex; align-items: flex-end; height: 150px; padding: 24px; color: #fff; background: #075b99; overflow: hidden; }
.sdg4-resource-cover::after { content: ''; position: absolute; width: 170px; height: 170px; right: -30px; top: -80px; border: 30px solid #ffffff24; border-radius: 50%; }
.sdg4-cover-presentation { background: #c5192d; }
.sdg4-cover-link { background: #194f63; }
.sdg4-resource-cover span { font-size: 2.4rem; font-weight: 700; line-height: 1; }
.sdg4-resource-body { padding: 24px; }
.sdg4-resource-faculty { color: #506074; font-size: .78rem; line-height: 1.5; margin: 0 0 12px; }
.sdg4-resource-body h3 { margin: 0 0 16px; }
.sdg4-resource-body h3 a { color: var(--sdg4-ink); text-decoration: none; }
.sdg4-resource-body h3 a:hover { text-decoration: underline; }
.sdg4 .sdg4-teacher-name { color: #506074; font-size: .9rem; }
.sdg4 .sdg4-resource-open { display: flex; justify-content: space-between; font-weight: 600; font-size: .88rem; padding-top: 18px; border-top: 1px solid #e2e7ed; margin-top: 22px; }
.sdg4-grid .sdg4-card { border-top: 1px solid var(--sdg4-line); border-radius: 4px; padding: 20px; font-size: .9rem; text-decoration: none; }
.sdg4-card:hover { background: #f1f5f9; }
.sdg4-simple-editor { max-width: 920px; }
.sdg4-field { margin: 0 0 20px; min-width: 0; }
.sdg4-upload-box { background: #f1f6fa; border: 1px dashed #477a9e; border-radius: 6px; padding: 24px; margin: 24px 0 0; }
.sdg4-upload-box p { font-size: .9rem; overflow-wrap: anywhere; margin-bottom: 0; }
.sdg4-profile-header { padding: 32px; background: #f1f5f8; border-left: 5px solid var(--sdg4-red); }
.sdg4-profile-header p { margin: 6px 0; }
.sdg4-presentation-list { list-style: none; padding: 0; margin: 0 0 40px; }
.sdg4-presentation-list > li { display: grid; grid-template-columns: 65px minmax(0, 1fr); gap: 24px; border-bottom: 1px solid var(--sdg4-line); padding: 24px 0; }
.sdg4-presentation-list h3 { margin: 0 0 16px; }
.sdg4-file-badge { align-self: start; padding: 18px 4px; text-align: center; background: #faedef; color: #a71930; font-size: .85rem; font-weight: 700; border-radius: 5px; }
.sdg4-animate { opacity: 0; transform: translateY(22px); transition: opacity 650ms ease, transform 650ms ease; }
.sdg4-visible { opacity: 1; transform: none; }
@keyframes sdg4-arrive { from { opacity: 0; transform: translateY(18px) rotate(0); } to { opacity: 1; transform: translateY(0) rotate(-2deg); } }
@media (max-width: 950px) { .sdg4-landing-hero { gap: 30px; padding: 40px 28px; } .sdg4-resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .sdg4-about { gap: 30px; } .sdg4-target { gap: 14px; padding: 22px; } }
@media (max-width: 650px) { .sdg4-landing-hero { grid-template-columns: 1fr; gap: 36px; padding: 32px 24px 42px; margin-bottom: 36px; border-radius: 4px 4px 50px 4px; } .sdg4-goal-art { max-width: 330px; width: 100%; justify-self: center; } .sdg4-about, .sdg4-goals, .sdg4-resource-grid, .sdg4-filters, .sdg4-form-grid { grid-template-columns: 1fr; } .sdg4-about { gap: 10px; padding-bottom: 12px; } .sdg4-goals { margin-bottom: 36px; } .sdg4-about h2, .sdg4-section-heading h2 { font-size: 1.65rem; } .sdg4-section-heading { align-items: flex-start; flex-direction: column; gap: 16px; } .sdg4-target-number { font-size: 2rem; } .sdg4-profile-header { padding: 22px; } .sdg4-presentation-list > li { grid-template-columns: 48px minmax(0, 1fr); gap: 14px; } }
@media (prefers-reduced-motion: reduce) { .sdg4 *, .sdg4 *::before, .sdg4 *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } .sdg4-animate { opacity: 1; transform: none; } }

/* Ordered, mixed-media article editor and public article. */
.sdg4-article-editor { display: grid; gap: 18px; margin: 20px 0; }
.sdg4-article-editor-block { padding: 20px; border: 1px solid var(--sdg4-line); border-left: 5px solid var(--sdg4-blue); border-radius: 5px; background: #fff; }
.sdg4-article-block-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.sdg4-article-block-bar > div, .sdg4-add-blocks { display: flex; flex-wrap: wrap; gap: 8px; }
.sdg4-article-block-bar button { min-height: 36px; padding: 6px 10px; }
.sdg4-add-blocks { margin: 18px 0 10px; }
.sdg4-article { max-width: 920px; margin: 38px auto; padding: clamp(20px, 4vw, 48px); border: 1px solid #e0e5eb; border-radius: 5px; background: #fff; }
.sdg4-article > * + * { margin-top: 30px; }
.sdg4-article-header h2 { margin: 18px 0 12px; font-size: clamp(1.5rem, 3vw, 2.15rem); }
.sdg4-article-byline { display: flex; align-items: center; gap: 10px; }
.sdg4-article-byline img { width: 36px; height: 36px; border-radius: 6px; object-fit: cover; }
.sdg4-article-byline p { margin: 0; font-size: .86rem; line-height: 1.35; }
.sdg4-article-byline time { color: #506074; }
.sdg4-article-stats { display: flex; flex-wrap: wrap; gap: 18px; margin: 0; color: #506074; font-size: .88rem; }
.sdg4-article-cover { display: block; width: 100%; max-height: 680px; object-fit: cover; border-radius: 5px; }
.sdg4-article-text { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.8; }
.sdg4-article-media { margin-left: 0; margin-right: 0; text-align: center; }
.sdg4-article-media img { display: block; width: auto; max-width: 100%; max-height: 760px; margin: 0 auto; object-fit: contain; }
.sdg4-article-media audio { width: min(100%, 720px); }
.sdg4-article-media figcaption { margin-top: 12px; color: #506074; font-size: .9rem; }
.sdg4-article-attachment { padding: 22px; border: 1px solid var(--sdg4-line); border-radius: 5px; background: #f6f8fa; }
.sdg4-article-attachment h3 { margin-top: 0; }
.sdg4-document-preview { width: 100%; margin-top: 18px; overflow: hidden; border: 1px solid #c5d0dc; border-radius: 8px; background: #e9eef3; box-shadow: 0 10px 30px #102c4d12; }
.sdg4-document-viewer { display: block; width: 100%; height: min(78vh, 760px); min-height: 520px; border: 0; background: #fff; }
.sdg4-preview-unavailable { margin: 18px 0 0; padding: 14px 16px; border-left: 4px solid #d08a16; background: #fff8e6; color: #5f491e; }
@media (max-width: 600px) { .sdg4-article-block-bar { align-items: flex-start; flex-direction: column; } .sdg4-article { padding: 20px; } .sdg4-document-viewer { height: 68vh; min-height: 380px; } }

/* 2026 publication feed: compact editorial rhythm inspired by article platforms,
   with an original Open KazNU blue/green identity. */
.sdg4 { --sdg4-green: #0b8f71; --sdg4-green-dark: #087159; --sdg4-green-soft: #e4f6ef; --sdg4-surface: #f4f7f6; --sdg4-muted: #5d6b6a; }
.sdg4-toolbar { position: relative; border: 0; padding: 15px 20px; margin: 0 0 12px; border-radius: 12px; background: #18263e; color: #fff; }
.sdg4-toolbar a { color: #fff !important; text-decoration: none; }
.sdg4-toolbar a:hover { color: #9ed8ff !important; opacity: 1; }
.sdg4-brand::before { content: "04"; display: inline-grid; place-items: center; width: 32px; height: 32px; margin-right: 10px; border-radius: 9px; background: var(--sdg4-green); font-size: .75rem; }
.sdg4-languages button { min-height: 34px; padding: 5px 10px; border-color: #ffffff3d; background: transparent; color: #fff; font-size: .78rem; }
.sdg4-languages button[aria-pressed="true"] { background: var(--sdg4-green); border-color: var(--sdg4-green); }
.sdg4-editor-link { display: flex; justify-content: flex-end; gap: 14px; margin: 12px 0 18px; font-size: .88rem; }
.sdg4-editor-link a { padding: 7px 12px; border-radius: 20px; background: var(--sdg4-green-soft); color: var(--sdg4-green-dark); text-decoration: none; font-weight: 600; }
.sdg4-editor-link .sdg4-editor-create { border: 1px solid #18263e; border-radius: 12px; background: #18263e; color: #fff !important; }
.sdg4-editor-link .sdg4-editor-create:hover { border-color: #18263e; background: #18263e; color: #9ed8ff !important; }
.sdg4-feed-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(230px, .5fr); gap: 48px; align-items: center; min-height: 330px; margin: 0 0 34px; padding: clamp(30px, 5vw, 64px); overflow: hidden; border-radius: 24px; background: linear-gradient(125deg, #e6f6ef 0%, #edf6f7 58%, #d4edf0 100%); }
.sdg4-feed-hero::before, .sdg4-feed-hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.sdg4-feed-hero::before { width: 220px; height: 220px; right: 20%; top: -135px; border: 44px solid #ffffff6b; }
.sdg4-feed-hero::after { width: 120px; height: 120px; left: -60px; bottom: -56px; background: #0b8f7114; }
.sdg4-feed-hero-copy { position: relative; z-index: 1; }
.sdg4 .sdg4-feed-hero h1 { max-width: 770px; margin: 12px 0 18px; font-size: clamp(2rem, 4.2vw, 3.55rem); line-height: 1.08; letter-spacing: -.045em; }
.sdg4-feed-hero-copy > p:not(.sdg4-eyebrow) { max-width: 700px; margin: 0; color: #3f5554; font-size: 1.08rem; }
.sdg4-feed-hero .sdg4-actions { margin: 28px 0 0; }
.sdg4 .sdg4-feed-hero .sdg4-button { border-color: var(--sdg4-green); background: var(--sdg4-green); }
.sdg4 .sdg4-feed-hero .sdg4-button:hover { border-color: var(--sdg4-green-dark); background: var(--sdg4-green-dark); }
.sdg4 .sdg4-feed-hero .sdg4-button-light { border-color: #a4c9c0; background: #fff; color: #15483e; }
.sdg4-feed-hero-mark { position: relative; z-index: 1; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 4px 14px; padding: 25px; border-radius: 18px 18px 48px 18px; background: #18263e; color: #fff; box-shadow: 12px 12px 0 #0b8f7124; font-weight: 800; line-height: 1.05; text-transform: uppercase; }
.sdg4-feed-hero-number { font-size: 5.3rem; line-height: .9; }
.sdg4-feed-hero-mark svg { grid-column: 1 / -1; width: 100%; max-height: 100px; margin-top: 12px; fill: none; stroke: currentColor; stroke-width: 5; stroke-linejoin: round; }
.sdg4-feed-layout { display: grid; grid-template-columns: minmax(0, 2.15fr) minmax(270px, .85fr); gap: 30px; align-items: start; }
.sdg4-feed { min-width: 0; }
.sdg4-feed-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding: 0 2px 18px; border-bottom: 1px solid var(--sdg4-line); }
.sdg4-feed-heading h2 { margin: 3px 0 0; font-size: 2rem; }
.sdg4-feed-heading > span { color: var(--sdg4-muted); font-size: .85rem; }
.sdg4-feed form.sdg4-filters { display: grid; grid-template-columns: minmax(220px, 440px) minmax(180px, 240px); gap: 12px; width: min(100%, 716px); max-width: 716px; margin: 20px 0 4px; padding: 12px; box-sizing: border-box; border: 1px solid #dfe7e5; border-radius: 14px; background: #fff; box-shadow: 0 8px 28px #173f380d; }
.sdg4-feed .sdg4-filters > div { min-width: 0; }
.sdg4-feed .sdg4-filters label { margin: 0 0 7px 3px; color: #435451; font-family: inherit; font-size: .76rem; font-style: normal; font-weight: 700; letter-spacing: .02em; }
.sdg4-search-input { position: relative; display: block; }
.sdg4-search-input > span { position: absolute; z-index: 1; left: 14px; top: 50%; color: var(--sdg4-green-dark); font-size: 1.25rem; line-height: 1; transform: translateY(-54%); pointer-events: none; }
.sdg4-feed .sdg4-filters input, .sdg4-feed .sdg4-filters select { display: block; width: 100% !important; max-width: none !important; min-width: 0; height: 48px; min-height: 48px; box-sizing: border-box !important; border: 1px solid #cbd9d5; border-radius: 9px; background: #f8fbfa; color: #203734; font-family: inherit; font-size: 1rem; font-style: normal; box-shadow: none; }
.sdg4-feed .sdg4-filters input { padding: 0 12px 0 44px; }
.sdg4-feed .sdg4-filters select { padding: 0 38px 0 12px; }
.sdg4-feed .sdg4-filters input:hover, .sdg4-feed .sdg4-filters select:hover { border-color: #8ab6aa; background: #fff; }
.sdg4-feed .sdg4-filters input:focus, .sdg4-feed .sdg4-filters select:focus { border-color: var(--sdg4-green); outline: 0 !important; box-shadow: 0 0 0 3px #0b8f7124; }
.sdg4-feed-list { display: grid; }
.sdg4-feed-card { min-width: 0; padding: 28px 2px 32px; border-bottom: 1px solid var(--sdg4-line); }
.sdg4-feed-card:first-child { padding-top: 24px; }
.sdg4-feed-byline { display: flex; align-items: center; gap: 10px; margin-bottom: 13px; }
.sdg4-feed-byline img, .sdg4-feed-avatar { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 36px; border-radius: 9px; object-fit: cover; background: linear-gradient(135deg, var(--sdg4-green), var(--sdg4-blue)); color: #fff; font-weight: 800; }
.sdg4-feed-byline div { display: grid; line-height: 1.3; }
.sdg4-feed-byline a { color: var(--sdg4-ink); font-size: .82rem; font-weight: 700; text-decoration: none; }
.sdg4-feed-byline time { color: var(--sdg4-muted); font-size: .76rem; }
.sdg4 .sdg4-feed-card h3 { max-width: 820px; margin: 0 0 12px; font-size: clamp(1.3rem, 2.5vw, 1.85rem); letter-spacing: -.02em; }
.sdg4-feed-card h3 a { color: #132c31; text-decoration: none; }
.sdg4-feed-card h3 a:hover { color: var(--sdg4-green-dark); }
.sdg4-feed-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 17px; margin: 0 0 18px; color: var(--sdg4-muted); font-size: .8rem; }
.sdg4-feed-meta .sdg4-feed-topic { padding: 5px 9px; border-radius: 20px; background: var(--sdg4-green-soft); color: var(--sdg4-green-dark); font-weight: 700; }
.sdg4-feed-cover { display: block; margin: 18px 0; border-radius: 14px; overflow: hidden; background: var(--sdg4-surface); }
.sdg4-feed-cover img { display: block; width: 100%; max-height: 470px; aspect-ratio: 16 / 8.5; object-fit: cover; transition: transform 300ms ease; }
.sdg4-feed-cover:hover img { transform: scale(1.012); }
.sdg4-feed-summary { margin: 15px 0; color: #344846; line-height: 1.72; white-space: pre-line; }
.sdg4 .sdg4-feed-more { display: inline-flex; align-items: center; gap: 8px; color: var(--sdg4-green-dark); font-weight: 700; text-decoration: none; }
.sdg4-feed-more span { transition: transform 160ms ease; }
.sdg4-feed-more:hover span { transform: translateX(4px); }
.sdg4-feed-sidebar { position: sticky; top: 20px; display: grid; gap: 16px; }
.sdg4-feed-sidebar > section { padding: 22px; border: 1px solid #dfe7e5; border-radius: 14px; background: #fff; box-shadow: 0 10px 30px #173f3810; }
.sdg4-feed-sidebar h2 { margin: 7px 0 14px; font-size: 1.25rem; }
.sdg4-feed-sidebar p { margin-bottom: 0; color: #465957; font-size: .88rem; line-height: 1.65; }
.sdg4-side-goals > div { display: grid; grid-template-columns: 42px 1fr; gap: 10px; align-items: start; padding: 14px 0; border-bottom: 1px solid #e6ecea; }
.sdg4-side-goals > div:last-child { border-bottom: 0; padding-bottom: 0; }
.sdg4-side-goals strong { color: var(--sdg4-green); font-size: 1.35rem; }
.sdg4-side-goals div p { margin: 0; }
.sdg4-feed-sidebar .sdg4-moderation-note { display: flex; gap: 12px; border: 0; background: #12383d; color: #fff; }
.sdg4-moderation-note > span { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 30px; border-radius: 50%; background: var(--sdg4-green); font-weight: 800; }
.sdg4-moderation-note p { color: #dce9e7; }
.sdg4-side-faculties ul { max-height: 440px; margin: 8px 0 0; padding: 0; overflow: auto; list-style: none; }
.sdg4-side-faculties li + li { border-top: 1px solid #e6ecea; }
.sdg4-side-faculties a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; color: #263c3a; font-size: .82rem; text-decoration: none; }
.sdg4-side-faculties a:hover { color: var(--sdg4-green-dark); }
.sdg4-empty-feed { margin-top: 22px; border: 1px dashed #a9c5bd; background: var(--sdg4-green-soft); }
.sdg4-empty-feed p { margin-bottom: 0; }

/* Author workspace and moderation states. */
.sdg4-manage-header { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin: 28px 0; padding: 30px; border-radius: 18px; background: linear-gradient(120deg, #e5f6f0, #edf4f7); }
.sdg4-manage-header h1 { margin: 4px 0 8px; }
.sdg4-manage-header p:last-child { margin: 0; color: var(--sdg4-muted); }
.sdg4-review-alert { padding: 16px 18px; border-left: 4px solid #e0a11a; border-radius: 8px; background: #fff7dc; }
.sdg4-manage-list { border-top: 1px solid var(--sdg4-line); }
.sdg4-manage-card { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px 4px; border-bottom: 1px solid var(--sdg4-line); }
.sdg4-manage-card h2 { margin: 9px 0 5px; font-size: 1.25rem; }
.sdg4-manage-card h2 a { color: var(--sdg4-ink); text-decoration: none; }
.sdg4-manage-card p { margin: 0; color: var(--sdg4-muted); font-size: .88rem; }
.sdg4-manage-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.sdg4-manage-actions form { margin: 0; }
.sdg4-manage-actions a { padding: 8px 11px; border: 1px solid #b8c9c5; border-radius: 7px; color: var(--sdg4-green-dark); font-size: .84rem; font-weight: 600; text-decoration: none; }
.sdg4-manage-actions .sdg4-danger-link { border-color: #e6b5bb; color: #a71930; }
.sdg4-inline-action { min-height: 0; padding: 8px 11px; border: 1px solid #8fc1b4; border-radius: 7px; background: var(--sdg4-green-soft); color: var(--sdg4-green-dark); font-size: .84rem; font-weight: 700; }
.sdg4-moderation-layout { display: flex; flex-direction: column; gap: 34px; align-items: stretch; }
.sdg4-moderation-layout > section { width: 100%; }
.sdg4-review-card { align-items: flex-start; }
.sdg4-review-card > div:first-child { min-width: 0; }
.sdg4-review-summary { max-width: 70ch; margin-top: 10px !important; line-height: 1.6; }
.sdg4-access-panel, .sdg4-delete-confirmation { padding: 26px; border: 1px solid #dce5e2; border-radius: 16px; background: #fff; box-shadow: 0 10px 34px #173f380d; }
.sdg4-access-panel { position: static; order: -1; width: min(100%, 900px); margin: 0 auto; padding: 36px; box-sizing: border-box; }
.sdg4-access-panel h2 { margin: 5px 0 12px; }
.sdg4-access-form { display: grid; gap: 9px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--sdg4-line); }
.sdg4-access-form label { font-weight: 700; }
.sdg4-access-form input, .sdg4-access-form textarea { width: 100%; max-width: none; box-sizing: border-box; }
.sdg4-access-form textarea { min-height: 150px; padding: 14px 16px; resize: vertical; border: 1px solid #b8c9c5; border-radius: 9px; font: inherit; line-height: 1.55; }
.sdg4-access-form .sdg4-actions { justify-content: center; margin-top: 8px; }
.sdg4-publisher-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; padding: 0; list-style: none; }
.sdg4-publisher-list li { display: grid; padding: 10px 0; border-top: 1px solid var(--sdg4-line); }
.sdg4-publisher-list span { color: var(--sdg4-muted); font-size: .82rem; overflow-wrap: anywhere; }
.sdg4-delete-confirmation { max-width: 680px; margin: 44px auto; }
.sdg4-delete-confirmation h1 { margin: 8px 0 14px; }
.sdg4-danger-button { border-color: #a71930; background: #a71930; color: #fff; }
.sdg4-danger-button:hover { border-color: #7c1022 !important; background: #7c1022 !important; color: #fff !important; }
.sdg4-account-confirmation { max-width: 760px; margin: 48px auto; padding: 42px; box-sizing: border-box; border: 1px solid #bfd9e7; border-radius: 20px; background: linear-gradient(135deg, #eef8fc, #f3fbf7); text-align: center; box-shadow: 0 14px 42px #173f3814; }
.sdg4-account-confirmation h1 { margin: 8px 0 18px; }
.sdg4-account-confirmation > p:not(.sdg4-eyebrow) { max-width: 62ch; margin: 12px auto; line-height: 1.65; }
.sdg4-confirmation-icon { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; background: #18263e; color: #9ed8ff; font-size: 1.8rem; }
.sdg4-status { display: inline-flex; align-items: center; width: max-content; padding: 4px 9px; border-radius: 20px; background: #e9eef1; color: #455761; font-size: .75rem; font-weight: 700; }
.sdg4-status-pending { background: #fff1c5; color: #7c5600; }
.sdg4-status-published { background: var(--sdg4-green-soft); color: var(--sdg4-green-dark); }
.sdg4-status-draft { background: #edf0f2; color: #55626a; }
.sdg4-edit-intro .sdg4-status { margin-top: 12px; }
.sdg4-submitted { color: #184b63; border-left-color: #2781aa; background: #eaf6fb; }
.sdg4-article-edit { max-width: 920px; margin: 18px auto -20px; text-align: right; }
.sdg4-article-edit a { display: inline-flex; padding: 7px 11px; border-radius: 7px; background: var(--sdg4-green-soft); color: var(--sdg4-green-dark); font-size: .82rem; font-weight: 700; text-decoration: none; }
.sdg4-article-edit a:hover { background: #ccebdd; color: #075d4a; }
.sdg4 a:hover, .sdg4 summary:hover { text-decoration-color: currentColor; }
.sdg4 button:hover { border-color: var(--sdg4-green-dark); background: #edf8f4; color: var(--sdg4-green-dark); }
.sdg4 .sdg4-button:hover { border-color: #18263e; background: #18263e; color: #fff; }
.sdg4-languages button:hover { border-color: #ffffff80; background: #263957; color: #fff; }

/* Teacher-first catalogue and three-tab course editor. */
.sdg4-teacher-hero { display: flex; align-items: flex-start; gap: 28px; margin: 28px 0 8px; padding: clamp(24px, 4vw, 42px); border: 1px solid #dfe7e5; border-radius: 18px; background: linear-gradient(125deg, #eef8f5, #edf4f8); }
.sdg4-teacher-hero h1 { margin: 5px 0 14px; }
.sdg4-teacher-hero p { margin: 4px 0; color: #465957; }
.sdg4-course-editor-form { width: min(100%, 1040px); margin: 0 auto; }
.sdg4-tab-editor { border-top: 5px solid var(--sdg4-green) !important; background: #fbfdfc; }
.sdg4-tab-editor > details { margin: 20px 0; padding: 16px; border: 1px solid #dfe7e5; border-radius: 10px; background: #fff; }
.sdg4-presentation-bulk { margin: 22px 0; padding: 22px; border: 1px dashed #6fa897; border-radius: 12px; background: var(--sdg4-green-soft); }
.sdg4-material-forms { display: grid; gap: 16px; }
.sdg4-material-form { margin: 0 !important; border-left: 5px solid var(--sdg4-blue) !important; }
.sdg4-upload-progress { width: min(100%, 760px); margin: 30px auto; padding: 28px; border: 1px solid #96c9bc; border-radius: 16px; background: #effaf6; box-shadow: 0 14px 40px #173f3812; }
.sdg4-upload-progress strong { font-size: 1.15rem; }
.sdg4-upload-progress [data-upload-percent] { float: right; color: var(--sdg4-green-dark); font-size: 1.15rem; font-weight: 800; }
.sdg4-upload-progress progress { display: block; width: 100%; height: 22px; margin: 14px 0; accent-color: var(--sdg4-green); }
.sdg4-upload-progress p { margin: 0; color: var(--sdg4-muted); }
.sdg4-upload-failed { border-color: #d48d98; background: #fff0f2; }
.sdg4-course-list { display: grid; gap: 22px; }
.sdg4-tab-editor { position: relative; }
.sdg4-remove-tab { position: absolute; top: 18px; right: 18px; border-color: #e1a5ae !important; color: #9f1d32 !important; }
.sdg4-add-tab { display: block; width: min(100%, 520px); margin: 24px auto 34px; padding: 18px 24px !important; border: 2px dashed var(--sdg4-green) !important; border-radius: 14px !important; background: var(--sdg4-green-soft) !important; color: var(--sdg4-green-dark) !important; font-size: 1.05rem; font-weight: 800; }
.sdg4-add-tab:hover { border-style: solid !important; background: #d9f2e9 !important; }

@media (max-width: 900px) {
  .sdg4-feed-layout { grid-template-columns: 1fr; }
  .sdg4-feed-sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sdg4-side-faculties { grid-column: 1 / -1; }
}
@media (max-width: 650px) {
  .sdg4-feed-hero { grid-template-columns: 1fr; gap: 28px; min-height: 0; border-radius: 18px; }
  .sdg4-feed-hero-mark { width: min(100%, 280px); }
  .sdg4-feed-sidebar { grid-template-columns: 1fr; }
  .sdg4-side-faculties { grid-column: auto; }
  .sdg4-feed-heading, .sdg4-manage-header, .sdg4-manage-card { align-items: flex-start; flex-direction: column; }
  .sdg4-feed-card { padding-left: 0; padding-right: 0; }
  .sdg4-feed form.sdg4-filters { grid-template-columns: minmax(0, 1fr); width: min(100%, 520px); }
  .sdg4-feed .sdg4-filters input, .sdg4-feed .sdg4-filters select { font-size: 16px; }
  .sdg4-access-panel, .sdg4-account-confirmation { padding: 24px 18px; }
  .sdg4-publisher-list { grid-template-columns: 1fr; }
  .sdg4-teacher-hero { flex-direction: column; }
  .sdg4-teacher-hero .sdg4-photo { width: 112px; height: 112px; }
  .sdg4-tabs { display: flex; gap: 6px; overflow-x: auto; scroll-snap-type: x mandatory; }
  .sdg4-tabs a { min-width: 145px; scroll-snap-align: start; }
}