:root {
    --sg-green-900: #173528;
    --sg-green-800: #214837;
    --sg-green-700: #2d5a45;
    --sg-green-100: #eef5f1;
    --sg-gold-600: #b58a33;
    --sg-gold-100: #f7efd8;
    --sg-red-600: #a7352d;
    --sg-red-100: #f8e9e7;
    --sg-gray-950: #1c1f1d;
    --sg-gray-700: #565d58;
    --sg-gray-400: #aeb6b0;
    --sg-gray-200: #e2e7e3;
    --sg-gray-100: #f5f7f5;
    --sg-white: #ffffff;
    --sg-radius: 16px;
    --sg-shadow: 0 18px 45px rgba(23, 53, 40, 0.10);
    --sg-max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--sg-gray-100);
}

body {
    margin: 0;
    min-height: 100%;
    color: var(--sg-gray-950);
    background:
        radial-gradient(circle at top left, rgba(181, 138, 51, 0.16), transparent 36rem),
        linear-gradient(180deg, #ffffff 0%, var(--sg-gray-100) 42%, #eef3ef 100%);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.55;
}

a {
    color: inherit;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.sg-page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sg-site-header {
    background: var(--sg-green-900);
    color: var(--sg-white);
    border-bottom: 4px solid var(--sg-gold-600);
}

.sg-header-inner {
    width: min(var(--sg-max-width), calc(100% - 32px));
    margin: 0 auto;
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.sg-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--sg-white);
    text-decoration: none;
}

.sg-brand-mark {
    width: 72px;
    height: 72px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.sg-brand-mark img {
    display: block;
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.sg-brand-text {
    display: grid;
    gap: 2px;
}

.sg-brand-text span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
}

.sg-brand-text strong {
    font-size: clamp(22px, 3vw, 34px);
    line-height: 1.05;
    letter-spacing: 0.02em;
}

.sg-main-nav {
    background: var(--sg-white);
    border-bottom: 1px solid var(--sg-gray-200);
    width: min(var(--sg-max-width), calc(100% - 32px));
    margin: 0 auto;
    display: flex;
    justify-content: flex-start;
    gap: 4px;
    padding: 0;
    overflow-x: auto;
}

.sg-main-nav a {
    padding: 16px 18px;
    color: var(--sg-green-900);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.sg-main-nav a:hover,
.sg-main-nav a.is-active {
    border-bottom-color: var(--sg-gold-600);
    color: var(--sg-green-700);
}

.sg-main {
    width: min(var(--sg-max-width), calc(100% - 32px));
    margin: 0 auto;
    padding: 36px 0 56px;
    flex: 1;
}

.sg-footer {
    width: min(var(--sg-max-width), calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 36px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--sg-gray-700);
    font-size: 14px;
    border-top: 1px solid var(--sg-gray-200);
}

.sg-card,
.sg-hero-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--sg-gray-200);
    border-radius: var(--sg-radius);
    box-shadow: var(--sg-shadow);
}

.sg-card {
    padding: 26px;
}

.sg-hero-card {
    padding: clamp(28px, 5vw, 48px);
    margin-bottom: 28px;
    background:
        linear-gradient(135deg, rgba(23, 53, 40, 0.96), rgba(45, 90, 69, 0.92)),
        var(--sg-green-900);
    color: var(--sg-white);
}

.sg-hero-card p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.86);
}

.sg-hero-card h1,
.sg-section-head h1,
.sg-login-card h1 {
    margin: 0 0 14px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.12;
}

.sg-card h2,
.sg-form-card h2 {
    margin-top: 0;
    color: var(--sg-green-900);
    font-size: 22px;
}

.sg-kicker {
    margin: 0 0 8px;
    color: var(--sg-gold-600);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 13px;
}

.sg-muted {
    color: var(--sg-gray-700);
}

.sg-login-layout {
    min-height: 62vh;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.65fr);
    align-items: start;
    gap: 26px;
}

.sg-login-card,
.sg-info-card {
    padding: clamp(26px, 4vw, 44px);
}

.sg-check-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.sg-check-list li {
    position: relative;
    padding-left: 28px;
}

.sg-check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--sg-gold-600);
}

.sg-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.sg-account-grid {
    align-items: start;
}

.sg-account-info-card p {
    margin: 0 0 14px;
}

.sg-account-info-card p:last-child {
    margin-bottom: 0;
}

.sg-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.sg-section-head p {
    max-width: 780px;
    margin-bottom: 0;
    color: var(--sg-gray-700);
}

.sg-form-card {
    margin-bottom: 26px;
}

.sg-form {
    display: grid;
    gap: 14px;
}

.sg-form-grid {
    grid-template-columns: 1fr;
    gap: 16px 18px;
}

.sg-form-field {
    display: grid;
    gap: 7px;
}

.sg-span-2 {
    grid-column: span 2;
}

.sg-form label {
    font-weight: 700;
    color: var(--sg-green-900);
}

.sg-form input,
.sg-form textarea,
.sg-form select {
    width: 100%;
    border: 1px solid var(--sg-gray-400);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--sg-gray-950);
    background: var(--sg-white);
    outline: none;
}

.sg-form textarea {
    resize: vertical;
    min-height: 110px;
}

.sg-form input:focus,
.sg-form textarea:focus,
.sg-form select:focus {
    border-color: var(--sg-gold-600);
    box-shadow: 0 0 0 4px rgba(181, 138, 51, 0.16);
}

.sg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 800;
    text-decoration: none;
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.sg-btn-primary {
    color: var(--sg-white);
    background: var(--sg-green-800);
    border-color: var(--sg-green-800);
}

.sg-btn-primary:hover {
    background: var(--sg-green-900);
    border-color: var(--sg-green-900);
}

.sg-btn-secondary {
    color: var(--sg-green-900);
    background: var(--sg-white);
    border-color: var(--sg-gray-400);
}

.sg-btn-secondary:hover {
    border-color: var(--sg-gold-600);
    color: var(--sg-green-700);
}

.sg-btn-danger {
    color: var(--sg-red-600);
    background: var(--sg-red-100);
    border-color: rgba(167, 53, 45, 0.26);
}

.sg-btn-danger:hover {
    color: var(--sg-white);
    background: var(--sg-red-600);
    border-color: var(--sg-red-600);
}

.sg-logout-form {
    margin: 0;
}

.sg-alert {
    margin: 0 0 18px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 700;
}

.sg-alert-success {
    color: var(--sg-green-900);
    background: var(--sg-green-100);
    border-color: rgba(45, 90, 69, 0.20);
}

.sg-alert-error {
    color: var(--sg-red-600);
    background: var(--sg-red-100);
    border-color: rgba(167, 53, 45, 0.22);
}

.sg-alert-warning {
    color: #6d501a;
    background: var(--sg-gold-100);
    border-color: rgba(181, 138, 51, 0.34);
}

.sg-mini-list {
    display: grid;
    gap: 14px;
    margin-bottom: 18px;
}

.sg-mini-list div {
    padding-bottom: 14px;
    border-bottom: 1px solid var(--sg-gray-200);
}

.sg-mini-list div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.sg-mini-list strong,
.sg-mini-list span {
    display: block;
}

.sg-mini-list span {
    color: var(--sg-gray-700);
    font-size: 14px;
}

.sg-text-link {
    color: var(--sg-green-800);
    font-weight: 800;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.sg-assignment-list,
.sg-post-list {
    display: grid;
    gap: 18px;
}

.sg-assignment-card h2 {
    margin-bottom: 10px;
}

.sg-assignment-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.sg-assignment-meta span,
.sg-badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    background: var(--sg-green-100);
    color: var(--sg-green-900);
}

.sg-badge-muted {
    color: var(--sg-gray-700);
    background: var(--sg-gray-100);
    border: 1px solid var(--sg-gray-200);
}

.sg-location {
    color: var(--sg-green-800);
    font-weight: 700;
}

.sg-member-list {
    margin-top: 16px;
    padding: 14px;
    border-radius: 14px;
    background: var(--sg-gray-100);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.sg-member-list span {
    padding: 4px 9px;
    border-radius: 999px;
    background: var(--sg-white);
    border: 1px solid var(--sg-gray-200);
    font-size: 14px;
}

.sg-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.sg-card-actions form {
    margin: 0;
}

.sg-post-card p {
    margin-bottom: 0;
}

.sg-post-head {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
    color: var(--sg-green-900);
}

.sg-post-head span {
    color: var(--sg-gray-700);
    font-size: 14px;
}

.sg-table-wrap {
    width: 100%;
    overflow-x: auto;
}

.sg-table {
    width: 100%;
    border-collapse: collapse;
}

.sg-table th,
.sg-table td {
    padding: 13px 12px;
    border-bottom: 1px solid var(--sg-gray-200);
    text-align: left;
    vertical-align: top;
}

.sg-table th {
    color: var(--sg-green-900);
    background: var(--sg-green-100);
}

@media (max-width: 900px) {
    .sg-login-layout,
    .sg-dashboard-grid,
    .sg-form-grid {
        grid-template-columns: 1fr;
    }

    .sg-span-2 {
        grid-column: span 1;
    }

    .sg-header-inner,
    .sg-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .sg-header-inner,
    .sg-main,
    .sg-footer {
        width: min(100% - 22px, var(--sg-max-width));
    }

    .sg-brand-mark,
    .sg-brand-mark img {
        width: 58px;
        height: 58px;
    }

    .sg-brand-text span {
        font-size: 12px;
    }

    .sg-main {
        padding-top: 24px;
    }

    .sg-card,
    .sg-login-card,
    .sg-info-card {
        padding: 20px;
    }

    .sg-main-nav {
        justify-content: flex-start;
    }

    .sg-main-nav a {
        padding: 14px 12px;
    }

    .sg-post-head {
        display: grid;
    }
}


.sg-admin-overview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: start;
    margin-bottom: 26px;
}

.sg-admin-function-card {
    display: grid;
    gap: 18px;
}

.sg-admin-function-select {
    max-width: 420px;
}

.sg-admin-function-panel[hidden] {
    display: none;
}

@media (max-width: 900px) {
    .sg-admin-overview-grid {
        grid-template-columns: 1fr;
    }
}

/* Einheitliche Spaltenbreite für beide Tabellen (1/5 je Spalte) */
.sg-announcements-table,
.sg-assignments-table {
    table-layout: fixed;
    width: 100%;
}

.sg-announcements-table th,
.sg-announcements-table td,
.sg-assignments-table th,
.sg-assignments-table td {
    width: 20%;
}


/* Anpassung: Menü linksbündig, Startseiten-Nachrichten kompakter, Footer entfernt */
.sg-footer {
    display: none;
}

.sg-shoutbox {
    margin-top: 28px;
}

.sg-shoutbox-title {
    margin: 0 0 16px;
    color: var(--sg-white);
    font-size: 22px;
    line-height: 1.25;
}

.sg-shoutbox-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.sg-shoutbox-item {
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.20);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
}

.sg-shoutbox-item h3 {
    margin: 0 0 8px;
    color: var(--sg-white);
    font-size: 17px;
    line-height: 1.3;
}

.sg-shoutbox-item p {
    margin: 0 0 10px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 14px;
    line-height: 1.5;
}

.sg-shoutbox-item span,
.sg-shoutbox-empty {
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    line-height: 1.4;
}

@media (max-width: 760px) {
    .sg-shoutbox-list {
        grid-template-columns: 1fr;
    }
}