/* EduCore core components. Logical properties only (RTL-safe). Tokens fall back when the EduCore theme is absent. */
:root {
	--ec-navy: var(--wp--preset--color--navy, #0b1f3a);
	--ec-teal: var(--wp--preset--color--teal, #0b7f7a);
	--ec-teal-strong: var(--wp--preset--color--teal-strong, #075f5b);
	--ec-cream: var(--wp--preset--color--cream, #faf6ee);
	--ec-gold: var(--wp--preset--color--gold, #8a6d12);
	--ec-surface: var(--wp--preset--color--surface, #ffffff);
	--ec-text: var(--wp--preset--color--ink, #13213a);
	--ec-muted: var(--wp--preset--color--muted, #4f5b6e);
	--ec-border: var(--wp--preset--color--line, #dcd6c8);
	--ec-success: #1d6b3a;
	--ec-danger: #a3261b;
	--ec-radius: 14px;
	--ec-radius-sm: 8px;
	--ec-shadow: 0 1px 2px rgba(11, 31, 58, .06), 0 6px 20px rgba(11, 31, 58, .07);
	--ec-shadow-lg: 0 10px 34px rgba(11, 31, 58, .14);
	--ec-space: 1rem;
	--ec-ease: cubic-bezier(.2, .7, .2, 1);
	--ec-dur: 220ms;
}
[data-theme="dark"] {
	--ec-surface: #12223a;
	--ec-text: #eef2f8;
	--ec-muted: #b5c0d2;
	--ec-border: #2b3d5a;
	--ec-cream: #0b1628;
	--ec-teal: #3cc6bf;
	--ec-teal-strong: #6fdad4;
	--ec-gold: #e2c35a;
	--ec-success: #6ad38f;
	--ec-danger: #ff8f84;
}

.ec-card { background: var(--ec-surface); color: var(--ec-text); border: 1px solid var(--ec-border); border-radius: var(--ec-radius); box-shadow: var(--ec-shadow); padding: calc(var(--ec-space) * 1.25); }
.ec-muted { color: var(--ec-muted); }
.ec-lead { font-size: 1.15em; color: var(--ec-muted); }
.ec-section { margin-block: calc(var(--ec-space) * 2); }
.ec-section > h2 { margin-block-end: .6em; }
.ec-empty { padding: 2rem; text-align: center; border: 2px dashed var(--ec-border); border-radius: var(--ec-radius); color: var(--ec-muted); }
.ec-actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.ec-hp { position: absolute !important; inset-inline-start: -9999px; block-size: 1px; overflow: hidden; }
.screen-reader-text { position: absolute !important; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); inline-size: 1px; block-size: 1px; overflow: hidden; white-space: nowrap; }

/* Buttons */
.ec-btn { display: inline-flex; align-items: center; justify-content: center; gap: .4em; min-block-size: 44px; padding: .55em 1.1em; border-radius: 999px; border: 1.5px solid var(--ec-border); background: var(--ec-surface); color: var(--ec-text); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: transform var(--ec-dur) var(--ec-ease), box-shadow var(--ec-dur) var(--ec-ease), background-color var(--ec-dur); }
.ec-btn:hover { box-shadow: var(--ec-shadow); transform: translateY(-1px); }
.ec-btn:focus-visible, .ec-card a:focus-visible, .ec-field input:focus-visible, .ec-field select:focus-visible, .ec-field textarea:focus-visible, .ec-sort-item:focus-visible { outline: 3px solid var(--ec-teal); outline-offset: 2px; }
.ec-btn--primary { background: var(--ec-teal-strong); border-color: var(--ec-teal-strong); color: #fff; }
[data-theme="dark"] .ec-btn--primary { color: #04201f; }
.ec-btn--ghost { background: transparent; }
.ec-btn--sm { min-block-size: 32px; padding: .25em .7em; font-size: .85em; }
.ec-btn[disabled] { opacity: .6; cursor: progress; }
.ec-btn[aria-pressed="true"] { border-color: var(--ec-gold); color: var(--ec-gold); }

/* Chips, badges, notices */
.ec-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: .4rem 0; }
.ec-chip { display: inline-block; padding: .15em .65em; border-radius: 999px; background: color-mix(in srgb, var(--ec-teal) 12%, transparent); color: var(--ec-text); font-size: .82em; font-weight: 600; }
.ec-badge-done { color: var(--ec-success); font-weight: 700; }
.ec-badge-done::before { content: "✓ "; }
.ec-badge-done--lg { font-size: 1.15em; }
.ec-notice { padding: .8rem 1rem; border-radius: var(--ec-radius-sm); border-inline-start: 4px solid var(--ec-teal); background: color-mix(in srgb, var(--ec-teal) 8%, var(--ec-surface)); color: var(--ec-text); margin-block: 1rem; }
.ec-notice--success { border-color: var(--ec-success); }
.ec-notice--error { border-color: var(--ec-danger); background: color-mix(in srgb, var(--ec-danger) 8%, var(--ec-surface)); }

/* Progress */
.ec-progress { block-size: 8px; border-radius: 999px; background: color-mix(in srgb, var(--ec-navy) 10%, transparent); overflow: hidden; margin-block: .5rem; }
[data-theme="dark"] .ec-progress { background: rgba(255,255,255,.12); }
.ec-progress__bar { display: block; block-size: 100%; inline-size: var(--ec-p, 0%); background: linear-gradient(90deg, var(--ec-teal), var(--ec-teal-strong)); border-radius: inherit; }

/* Forms */
.ec-form { display: grid; gap: 1rem; max-inline-size: 640px; }
.ec-field { display: grid; gap: .3rem; border: 0; padding: 0; margin: 0; }
.ec-field > span, .ec-field > legend { font-weight: 600; }
.ec-field input, .ec-field select, .ec-field textarea { inline-size: 100%; min-block-size: 44px; padding: .55em .8em; border: 1.5px solid var(--ec-border); border-radius: var(--ec-radius-sm); background: var(--ec-surface); color: var(--ec-text); font: inherit; box-sizing: border-box; }
.ec-check { display: flex; gap: .5rem; align-items: flex-start; }
.ec-check input { min-block-size: auto; inline-size: 1.15em; block-size: 1.15em; margin-block-start: .2em; }
.ec-filters { display: flex; flex-wrap: wrap; gap: .75rem; align-items: flex-end; margin-block-end: 1rem; }
.ec-field--grow { flex: 1 1 220px; }
.ec-inline-form { max-inline-size: none; grid-template-columns: 1fr 1fr auto; align-items: end; }
@media (max-width: 768px) { .ec-inline-form { grid-template-columns: 1fr; } }

/* Grid & course cards */
.ec-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.ec-course-card { display: flex; flex-direction: column; background: var(--ec-surface); border: 1px solid var(--ec-border); border-radius: var(--ec-radius); overflow: hidden; box-shadow: var(--ec-shadow); transition: transform var(--ec-dur) var(--ec-ease), box-shadow var(--ec-dur) var(--ec-ease); }
.ec-course-card:hover, .ec-course-card:focus-within { transform: translateY(-3px); box-shadow: var(--ec-shadow-lg); }
.ec-course-card__media { display: block; aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--ec-navy), var(--ec-teal)); }
.ec-course-card__media img { inline-size: 100%; block-size: 100%; object-fit: cover; display: block; }
.ec-card__placeholder { display: block; inline-size: 100%; block-size: 100%; background: radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--ec-gold) 40%, transparent), transparent 40%); }
.ec-course-card__body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.ec-course-card__eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: .75em; font-weight: 700; color: var(--ec-teal-strong); margin: 0; }
.ec-course-card__title { font-size: 1.15em; margin: 0; }
.ec-course-card__title a { color: inherit; text-decoration: none; }
.ec-course-card__title a::after { content: ""; position: absolute; inset: 0; }
.ec-course-card { position: relative; }
.ec-course-card__excerpt { color: var(--ec-muted); margin: 0; flex: 1; }
.ec-course-card__footer { display: flex; justify-content: space-between; gap: .5rem; margin: .4rem 0 0; font-size: .9em; }
.ec-price { font-weight: 800; color: var(--ec-text); }
.ec-price--lg { font-size: 1.6em; margin: 0; }
.ec-pagination { display: flex; gap: .4rem; justify-content: center; margin-block: 1.5rem; }
.ec-page { display: inline-grid; place-items: center; min-inline-size: 40px; min-block-size: 40px; border-radius: 999px; border: 1px solid var(--ec-border); text-decoration: none; color: var(--ec-text); }
.ec-page.is-current { background: var(--ec-navy); color: #fff; }
.ec-subjects { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.ec-subject { display: inline-block; padding: .7em 1.2em; border-radius: var(--ec-radius); background: var(--ec-surface); border: 1px solid var(--ec-border); color: var(--ec-text); text-decoration: none; font-weight: 600; box-shadow: var(--ec-shadow); }

/* Course details */
.ec-course__hero { display: grid; gap: 1.5rem; grid-template-columns: 1fr minmax(260px, 340px); align-items: start; }
@media (max-width: 900px) { .ec-course__hero { grid-template-columns: 1fr; } }
.ec-course__cta { display: grid; gap: .8rem; position: sticky; inset-block-start: 1rem; }
.ec-checklist { list-style: none; padding: 0; display: grid; gap: .4rem; }
.ec-checklist li { padding-inline-start: 1.6em; position: relative; }
.ec-checklist li::before { content: "✓"; position: absolute; inset-inline-start: 0; color: var(--ec-teal-strong); font-weight: 800; }
.ec-unit { border: 1px solid var(--ec-border); border-radius: var(--ec-radius-sm); margin-block-end: .6rem; background: var(--ec-surface); }
.ec-unit > summary { display: flex; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; cursor: pointer; font-weight: 700; list-style: none; }
.ec-unit > summary::-webkit-details-marker { display: none; }
.ec-unit > summary::after { content: "+"; font-weight: 800; color: var(--ec-teal-strong); }
.ec-unit[open] > summary::after { content: "−"; }
.ec-lessons { margin: 0; padding: 0 1rem 1rem 2.4rem; display: grid; gap: .4rem; }
.ec-lessons li.is-done a { color: var(--ec-success); }
.ec-instructors { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.ec-instructor { display: flex; gap: 1rem; align-items: flex-start; }
.ec-instructor img { border-radius: 50%; }

/* Lesson reader */
.ec-reader { display: grid; grid-template-columns: minmax(220px, 290px) 1fr; gap: 2rem; align-items: start; }
.ec-reading-progress { position: fixed; inset-block-start: 0; inset-inline: 0; block-size: 4px; z-index: 50; background: transparent; }
.ec-reading-progress span { display: block; block-size: 100%; inline-size: 0; background: var(--ec-gold); }
.ec-reader__sidebar { position: sticky; inset-block-start: 1rem; max-block-size: calc(100vh - 2rem); overflow: auto; padding: 1rem; border: 1px solid var(--ec-border); border-radius: var(--ec-radius); background: var(--ec-surface); }
.ec-reader__course a { font-weight: 800; color: var(--ec-text); text-decoration: none; }
.ec-outline, .ec-outline ol { list-style: none; margin: 0; padding: 0; }
.ec-outline__unit > span { display: block; font-size: .78em; text-transform: uppercase; letter-spacing: .05em; color: var(--ec-muted); margin-block: 1rem .3rem; font-weight: 700; }
.ec-outline li li a { display: block; padding: .4rem .6rem; border-radius: var(--ec-radius-sm); color: var(--ec-text); text-decoration: none; border-inline-start: 3px solid transparent; }
.ec-outline li li.is-current a { background: color-mix(in srgb, var(--ec-teal) 12%, transparent); border-inline-start-color: var(--ec-teal-strong); font-weight: 700; }
.ec-outline li li.is-done a::after { content: " ✓"; color: var(--ec-success); }
.ec-reader__toggle { display: none; }
.ec-reader__main { min-inline-size: 0; }
.ec-reader__title { margin-block: .2em .4em; }
.ec-breadcrumb { color: var(--ec-muted); margin: 0; font-size: .9em; }
.ec-breadcrumb a { color: inherit; }
.ec-prose { font-size: 1.06rem; line-height: 1.75; }
.ec-prose img { max-inline-size: 100%; block-size: auto; border-radius: var(--ec-radius-sm); }
.ec-prose pre { overflow: auto; padding: 1rem; border-radius: var(--ec-radius-sm); background: #0e1a2e; color: #e6edf7; direction: ltr; text-align: start; }
.ec-callout { border-radius: var(--ec-radius); padding: 1rem 1.25rem; background: color-mix(in srgb, var(--ec-teal) 8%, var(--ec-surface)); border: 1px solid color-mix(in srgb, var(--ec-teal) 30%, transparent); margin-block: 1.25rem; }
.ec-callout h2 { font-size: 1.05em; margin-block: 0 .5rem; }
.ec-callout--summary { background: color-mix(in srgb, var(--ec-gold) 10%, var(--ec-surface)); border-color: color-mix(in srgb, var(--ec-gold) 40%, transparent); }
.ec-complete { margin-block: 2rem 1rem; padding: 1rem; border-radius: var(--ec-radius); background: var(--ec-cream); text-align: center; position: relative; }
.ec-notes { margin-block: 2rem; }
.ec-notes__form { display: grid; gap: .5rem; }
.ec-notes__form textarea { inline-size: 100%; padding: .6rem; border-radius: var(--ec-radius-sm); border: 1.5px solid var(--ec-border); font: inherit; background: var(--ec-surface); color: var(--ec-text); box-sizing: border-box; }
.ec-notes__list { list-style: none; padding: 0; display: grid; gap: .5rem; }
.ec-notes__list li { display: flex; justify-content: space-between; gap: 1rem; align-items: start; padding: .6rem .8rem; border: 1px solid var(--ec-border); border-radius: var(--ec-radius-sm); }
.ec-notes__list p { margin: 0; white-space: pre-wrap; }
.ec-pager { display: flex; justify-content: space-between; gap: 1rem; margin-block: 2rem; flex-wrap: wrap; }
[dir="rtl"] .ec-arrow { display: inline-block; transform: scaleX(-1); }
.ec-resources { padding-inline-start: 1.2rem; }
@media (max-width: 900px) {
	.ec-reader { grid-template-columns: 1fr; }
	.ec-reader__toggle { display: inline-flex; }
	.ec-reader__sidebar { display: none; position: static; max-block-size: none; }
	.ec-reader__sidebar.is-open { display: block; }
}

/* Dashboard */
.ec-stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-block: 1rem; }
.ec-stat { display: grid; gap: .2rem; }
.ec-stat__value { font-size: 1.9rem; font-weight: 800; color: var(--ec-text); }
.ec-stat__label { color: var(--ec-muted); font-size: .9em; }
.ec-continue { display: grid; gap: .3rem; background: linear-gradient(135deg, var(--ec-navy), color-mix(in srgb, var(--ec-teal) 60%, var(--ec-navy))); color: #fff; border: 0; }
.ec-continue h3, .ec-continue .ec-muted, .ec-continue .ec-course-card__eyebrow { color: #fff; margin: 0; }
.ec-continue .ec-btn--primary { justify-self: start; background: var(--ec-gold); border-color: var(--ec-gold); color: #fff; }
.ec-my-course h3 { margin-block: 0 .3rem; font-size: 1.05em; }
.ec-my-course h3 a { color: inherit; }
.ec-columns { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-block: 1.5rem; }
.ec-list-card h2 { font-size: 1.05em; margin-block-start: 0; }
.ec-list-card ul { padding-inline-start: 1.1rem; margin: 0; display: grid; gap: .35rem; }
.ec-badges { list-style: none; padding: 0 !important; }
.ec-badge { color: var(--ec-muted); }
.ec-badge.is-earned { color: var(--ec-text); font-weight: 700; }
.ec-badge.is-earned span { color: var(--ec-gold); }

/* Tables & bars */
.ec-table-wrap { overflow-x: auto; }
.ec-table { inline-size: 100%; border-collapse: collapse; font-size: .95em; }
.ec-table th, .ec-table td { text-align: start; padding: .55rem .6rem; border-block-end: 1px solid var(--ec-border); vertical-align: top; }
.ec-table th { font-size: .8em; text-transform: uppercase; letter-spacing: .04em; color: var(--ec-muted); }
.ec-bars { list-style: none; padding: 0; display: grid; gap: .35rem; }
.ec-bars li { display: grid; grid-template-columns: 9rem 1fr 2.5rem; gap: .6rem; align-items: center; }
.ec-bars__bar { display: block; block-size: 12px; border-radius: 6px; inline-size: var(--ec-p); min-inline-size: 4px; background: var(--ec-teal); }
.ec-bars__value { font-weight: 700; text-align: end; }
.ec-faq { border-block-end: 1px solid var(--ec-border); padding-block: .6rem; }
.ec-faq summary { cursor: pointer; font-weight: 600; }
.ec-ws-course > summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.ec-ws-course { margin-block-end: 1rem; }
.ec-profile__avatar { display: flex; gap: 1rem; align-items: center; }
.ec-profile__avatar img { border-radius: 50%; object-fit: cover; }

/* Leaderboard */
.ec-leaderboard__list { padding-inline-start: 1.4rem; display: grid; gap: .35rem; }
.ec-leaderboard__list li { display: flex; justify-content: space-between; gap: 1rem; }
.ec-leaderboard__list li.is-me { font-weight: 800; }

/* Language switcher & account menu */
.ec-lang ul { list-style: none; display: flex; gap: .3rem; margin: 0; padding: 0; }
.ec-lang a { display: inline-block; padding: .3em .7em; border-radius: 999px; text-decoration: none; color: inherit; font-weight: 600; font-size: .9em; }
.ec-lang a[aria-current="true"] { background: color-mix(in srgb, var(--ec-teal) 18%, transparent); }
.ec-usermenu { display: flex; gap: .4rem; flex-wrap: wrap; }

/* Toasts & celebration */
.ec-toast { position: fixed; inset-block-end: 1.25rem; inset-inline-end: 1.25rem; z-index: 9999; padding: .8rem 1.1rem; border-radius: var(--ec-radius-sm); background: var(--ec-navy); color: #fff; box-shadow: var(--ec-shadow-lg); transition: opacity .4s, transform .4s; }
.ec-toast--success { background: var(--ec-success); }
.ec-toast--error { background: var(--ec-danger); }
.ec-toast.is-out { opacity: 0; transform: translateY(8px); }
.ec-celebrate { position: absolute; inset-block-start: 50%; inset-inline-start: 50%; pointer-events: none; }
.ec-celebrate i { position: absolute; inline-size: 8px; block-size: 8px; border-radius: 2px; background: var(--ec-gold); animation: ec-burst .9s var(--ec-ease) forwards; transform: rotate(calc(var(--i) * 30deg)) translateY(0); }
.ec-celebrate i:nth-child(3n) { background: var(--ec-teal); }
@keyframes ec-burst { to { transform: rotate(calc(var(--i) * 30deg)) translateY(-70px); opacity: 0; } }

/* Skeletons and reveal */
.ec-skeleton { background: linear-gradient(90deg, var(--ec-border) 25%, color-mix(in srgb, var(--ec-border) 50%, var(--ec-surface)) 50%, var(--ec-border) 75%); background-size: 200% 100%; animation: ec-shimmer 1.4s infinite; border-radius: var(--ec-radius-sm); min-block-size: 1em; }
@keyframes ec-shimmer { to { background-position: -200% 0; } }
.ec-reveal.is-hidden { opacity: 0; transform: translateY(14px); }
.ec-reveal.is-visible { opacity: 1; transform: none; transition: opacity .5s var(--ec-ease), transform .5s var(--ec-ease); }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
	.ec-reveal.is-hidden { opacity: 1; transform: none; }
}