/*! Copyright (c) 2025-2026 Markus Schüssler. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-Markus-Schuessler-Proprietary; see repository LICENSE.
 */
.course-join {
    max-width: 960px;
    margin: 0 auto;
    padding: 2.2rem 1rem 3rem;
    display: grid;
    gap: 1.2rem;
}
.course-join__header {
    margin-bottom: 0.2rem;
}
.course-join__school-logo {
    display: block;
    max-width: min(220px, 68vw);
    max-height: 90px;
    object-fit: contain;
    margin-bottom: 0.8rem;
}
.course-join__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--school-brand-primary, #0f766e);
    margin: 0;
    font-weight: 700;
}
.course-join__status {
    padding: 0.85rem 1rem;
    border-radius: 14px;
    font-weight: 600;
}
.course-join__status--success {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #86efac;
}
.course-join__status--error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}
.course-join__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.9rem;
}
.course-join__meta-card {
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    border-radius: 16px;
    padding: 1rem 1.05rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.06);
}
.course-join__panel {
    background: #fff;
    border-radius: 18px;
    padding: 1.3rem 1.5rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 15px 36px rgba(15, 23, 42, 0.06);
}
.course-join__panel--accent {
    background: linear-gradient(135deg, var(--school-brand-soft, rgba(240, 253, 250, 0.95)), rgba(236, 253, 245, 0.92));
    border-color: color-mix(in srgb, var(--school-brand-primary, #0f766e) 18%, transparent);
}
.course-join__panel--muted {
    background: #f8fafc;
}
.course-join__panel--next-step {
    display: grid;
    gap: 0.7rem;
}
.course-join__panel--next-step h2,
.course-join__panel--next-step p {
    margin: 0;
}
.course-join__info-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.course-join__facts {
    display: grid;
    gap: 0.8rem;
    margin: 0;
}
.course-join__facts div {
    display: grid;
    gap: 0.18rem;
}
.course-join__facts dt {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    margin: 0;
}
.course-join__facts dd {
    margin: 0;
    color: #0f172a;
}
.course-join__points,
.course-join__steps {
    margin: 0;
    padding-left: 1.2rem;
    display: grid;
    gap: 0.55rem;
}
.course-join__steps li {
    display: grid;
    gap: 0.25rem;
}
.course-join__steps span {
    color: #475569;
}
.course-join__steps a {
    color: var(--school-brand-primary, #0f766e);
    font-weight: 600;
    text-decoration: none;
}
.course-join__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}
.course-join__journey {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
    padding: 0;
    margin: 0.35rem 0 0;
    list-style: none;
}
.course-join__journey li {
    min-width: 0;
    display: grid;
    grid-template-columns: 1.8rem minmax(0, 1fr);
    gap: 0.45rem;
    align-items: center;
    color: #64748b;
}
.course-join__journey span {
    width: 1.8rem;
    height: 1.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #e2e8f0;
    color: #334155;
    font-weight: 800;
}
.course-join__journey .is-current span {
    background: var(--school-brand-primary, #0f766e);
    color: #fff;
}
.course-join__journey small {
    font-weight: 750;
    line-height: 1.2;
}
.course-join__optional {
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 12px;
    background: #f8fafc;
}
.course-join__optional summary {
    padding: 0.85rem 1rem;
    cursor: pointer;
    font-weight: 750;
}
.course-join__optional > div {
    padding: 0 1rem 1rem;
    color: #475569;
}
.course-join__optional-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.course-join__optional-links a {
    color: var(--school-brand-primary, #0f766e);
    font-weight: 700;
}
.course-join__form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.course-join__form textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    padding: 0.5rem 0.6rem;
    font-size: 0.95rem;
}
.course-join__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.25rem;
    border-radius: 999px;
    background: var(--school-brand-primary, #0f766e);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
}
.course-join__cta--secondary {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid rgba(15, 23, 42, 0.12);
}
.course-join__hint {
    color: #64748b;
    margin-top: 0.5rem;
}

/* Public enrolment must remain readable with school-specific dark branding. */
body.dark-mode .course-join {
    --school-brand-primary: #dce4ab;
    --school-brand-secondary: #f8fafc;
    --school-brand-soft: rgba(220, 228, 171, 0.13);
    --school-brand-text: #e8eef8;
    --school-brand-muted: #b3c0d1;
    color: #e8eef8;
}

body.dark-mode .course-join__meta-card,
body.dark-mode .course-join__panel {
    background: #111c2e;
    border-color: rgba(148, 163, 184, 0.25);
    box-shadow: 0 15px 36px rgba(2, 6, 23, 0.3);
}

body.dark-mode .course-join__school-logo {
    padding: 0.55rem;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.96);
}

body.dark-mode .course-join h1,
body.dark-mode .course-join h2,
body.dark-mode .course-join h3 {
    color: #f8fafc;
}

body.dark-mode .course-join__panel--accent h2 {
    color: #e8efbd;
}

body.dark-mode .course-join__panel--accent {
    background: linear-gradient(135deg, rgba(220, 228, 171, 0.13), rgba(35, 97, 112, 0.18));
    border-color: rgba(220, 228, 171, 0.3);
}

body.dark-mode .course-join__panel--muted,
body.dark-mode .course-join__optional {
    background: #162235;
    border-color: rgba(148, 163, 184, 0.24);
}

body.dark-mode .course-join__facts dd,
body.dark-mode .course-join__optional summary {
    color: #f8fafc;
}

body.dark-mode .course-join__facts dt,
body.dark-mode .course-join__steps span,
body.dark-mode .course-join__journey li,
body.dark-mode .course-join__optional > div,
body.dark-mode .course-join__hint {
    color: #b3c0d1;
}

body.dark-mode .course-join__eyebrow,
body.dark-mode .course-join__steps a,
body.dark-mode .course-join__optional-links a,
body.dark-mode .course-join__panel a:not(.course-join__cta) {
    color: #dce4ab;
}

body.dark-mode .course-join__journey span {
    background: #26364b;
    color: #d8e2ef;
}

body.dark-mode .course-join__journey .is-current span,
body.dark-mode .course-join__cta {
    background: #236170;
    border-color: #3b7c88;
    color: #ffffff;
}

body.dark-mode .course-join__cta--secondary {
    background: #162235;
    border-color: rgba(148, 163, 184, 0.32);
    color: #f1f5f9;
}

body.dark-mode .course-join__form textarea {
    background: #0d1727;
    border-color: rgba(148, 163, 184, 0.36);
    color: #f1f5f9;
    color-scheme: dark;
}

body.dark-mode .course-join__status--success {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(74, 222, 128, 0.34);
    color: #86efac;
}

body.dark-mode .course-join__status--error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(248, 113, 113, 0.34);
    color: #fca5a5;
}

@media (max-width: 720px) {
    .course-join {
        padding-left: 0.85rem;
        padding-right: 0.85rem;
    }

    .course-join__panel,
    .course-join__meta-card {
        padding: 1rem;
    }

    .course-join__actions,
    .course-join__cta {
        width: 100%;
    }

    .course-join__journey {
        grid-template-columns: 1fr;
    }
}