:root {
    --bg: #0d111c;
    --sidebar: #111725;
    --card: #181f30;
    --border: #293247;
    --text: #f1f4fb;
    --muted: #929db3;
    --accent: #9775fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--sidebar);
    border-right: 1px solid var(--border);
    padding: 28px 16px;
    display: flex;
    flex-direction: column;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 8px 46px;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: #47367f;
    color: #c5b5ff;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 30px;
}

.brand strong {
    font-size: 20px;
}

.brand strong span {
    color: var(--accent);
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 2px;
    margin-top: 4px;
}

.nav-label {
    color: #68758f;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin: 0 14px 14px;
}

nav {
    margin-bottom: 32px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #a5aec2;
    text-decoration: none;
    padding: 13px 16px;
    margin-bottom: 5px;
    border-radius: 10px;
    font-size: 14px;
}

.nav-link span {
    width: 20px;
    font-size: 19px;
    text-align: center;
}

.nav-link:hover {
    background: #202940;
    color: white;
}

.nav-link.active {
    background: #332c57;
    color: #c8b8ff;
}

.sidebar-bottom {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding: 22px 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 12px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #44d7a0;
}

.main {
    flex: 1;
    min-width: 0;
    padding: 32px 42px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 34px;
}

.topbar h2 {
    margin: 0 0 6px;
    font-size: 24px;
}

.topbar p,
.section-heading p {
    color: var(--muted);
    margin: 0;
    font-size: 14px;
}

.profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 42px;
    height: 42px;
    background: #453579;
    color: #ddd2ff;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 700;
}

.profile strong,
.profile small {
    display: block;
}

.profile strong {
    font-size: 13px;
}

.profile small {
    color: var(--muted);
    margin-top: 4px;
    font-size: 11px;
}

.welcome {
    background: linear-gradient(110deg, #34255e, #1d294e 75%);
    border: 1px solid #494079;
    border-radius: 18px;
    padding: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    overflow: hidden;
}

.eyebrow {
    color: #c6b7ff;
    letter-spacing: 2px;
    font-size: 10px;
    font-weight: 700;
}

.welcome h1 {
    font-size: 28px;
    margin: 14px 0;
}

.welcome p {
    color: #c5c8df;
    font-size: 14px;
    line-height: 1.7;
    max-width: 490px;
}

.welcome-symbol {
    font-size: 110px;
    color: #a78bfa;
    opacity: 0.45;
    padding-right: 35px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 38px;
}

.stat-card,
.module-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.stat-card {
    padding: 22px;
}

.stat-icon,
.module-icon {
    display: grid;
    place-items: center;
    border-radius: 11px;
    font-size: 23px;
}

.stat-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 20px;
}

.purple {
    background: #362b61;
    color: #b69aff;
}

.blue {
    background: #203e62;
    color: #76b7ff;
}

.orange {
    background: #583c29;
    color: #ffbb79;
}

.green {
    background: #21483e;
    color: #74e4bd;
}

.stat-card span,
.stat-card strong,
.stat-card small {
    display: block;
}

.stat-card span {
    color: var(--muted);
    font-size: 13px;
}

.stat-card strong {
    font-size: 32px;
    margin: 8px 0;
}

.stat-card small {
    color: #697791;
    font-size: 11px;
}

.section-heading {
    margin-bottom: 20px;
}

.section-heading h3 {
    font-size: 19px;
    margin: 0 0 7px;
}

.modules {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.module-card {
    padding: 26px;
    transition: border-color 0.2s;
}

.module-card:hover {
    border-color: #7660b6;
}

.module-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 22px;
}

.module-card h3 {
    font-size: 17px;
    margin: 0 0 12px;
}

.module-card p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
    min-height: 44px;
}

.module-card > span {
    display: inline-block;
    color: #aa91ff;
    font-size: 12px;
    font-weight: 600;
    margin-top: 14px;
}

footer {
    text-align: center;
    padding: 36px 0 8px;
    color: #58657e;
    font-size: 11px;
}

@media (max-width: 1100px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 720px) {
    .app {
        display: block;
    }

    .sidebar {
        width: 100%;
        padding: 18px;
    }

    .brand {
        margin-bottom: 22px;
    }

    nav {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 18px;
    }

    .nav-link {
        margin: 0;
    }

    .sidebar-bottom {
        display: none;
    }

    .main {
        padding: 22px 16px;
    }

    .welcome {
        padding: 24px;
    }

    .welcome h1 {
        font-size: 22px;
    }

    .welcome-symbol {
        display: none;
    }

    .modules {
        grid-template-columns: 1fr;
    }

    .topbar {
        gap: 12px;
    }

    .profile {
        display: none;
    }
}

.upload-module {
    display: block;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.upload-module:hover {
    border-color: #7957d5;
}

/* Uploadseite: Handy, Tablet und Desktop. Andere Seiten behalten ihre Klassen. */
.upload-page { color-scheme: dark; }
.upload-page [hidden] { display: none !important; }
.upload-page .sidebar { width: 240px; }
.upload-page .sidebar-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.upload-page .brand { margin: 0 8px 36px; }
.upload-page .sidebar-content { display: flex; flex: 1; flex-direction: column; }
.upload-page .nav-link { min-height: 48px; }
.upload-page .logout-form { margin: 12px 10px 24px; }
.upload-page button, .upload-page input, .upload-page textarea { font: inherit; }
.upload-page button { touch-action: manipulation; }
.upload-page .menu-toggle, .upload-page .logout-button { min-height: 44px; border: 1px solid #465371; border-radius: 10px; padding: 10px 14px; background: #202940; color: var(--text); cursor: pointer; }
.upload-page .menu-toggle { display: none; }
.upload-page .main { padding: 32px clamp(20px, 4vw, 56px) 48px; }
.upload-page .upload-content { max-width: 960px; margin: 0 auto; }
.upload-page .topbar { align-items: flex-start; gap: 24px; margin-bottom: 28px; }
.upload-page .topbar h1 { font-size: clamp(26px, 3vw, 34px); line-height: 1.2; margin: 10px 0 12px; }
.upload-page .topbar p { line-height: 1.6; max-width: 540px; font-size: 15px; }
.upload-page .profile { margin-top: 4px; max-width: 200px; flex-shrink: 0; }
.upload-page .profile strong { overflow-wrap: anywhere; }
.upload-page .profile .avatar { flex-shrink: 0; }
.upload-page .upload-intro { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.upload-page .info-chip { padding: 7px 12px; border: 1px solid #3a345e; border-radius: 30px; color: #d6c8ff; background: #221d38; font-size: 13px; }
.upload-page .abgabe { padding: clamp(20px, 3vw, 32px); text-align: left; }
.upload-page .abgabe:hover { border-color: var(--border); }
.upload-page .abgabe p { min-height: 0; margin: 8px 0; font-size: 14px; line-height: 1.6; }
.upload-page .abgabe .hinweis { color: #b5bfd2; font-size: 13px; }
.upload-page .form-section-title { font-size: 19px; margin: 0; }
.upload-page fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.upload-page .felder { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin: 24px 0 32px; }
.upload-page .feld { min-width: 0; }
.upload-page .feld label { display: block; font-size: 15px; font-weight: 600; margin-bottom: 9px; }
.upload-page .optional { color: #b5bfd2; font-size: 12px; font-weight: 400; margin-left: 5px; }
.upload-page .felder input, .upload-page textarea { width: 100%; min-height: 48px; padding: 13px 14px; border: 1px solid #4a5670; border-radius: 10px; background: #101625; color: var(--text); font-size: 16px; line-height: 1.4; }
.upload-page input::placeholder, .upload-page textarea::placeholder { color: #a6b1c7; opacity: 1; }
.upload-page textarea { resize: vertical; min-height: 110px; }
.upload-page .breit { grid-column: 1 / -1; }
.upload-page .feld-fehler { color: #ffb4b4 !important; }
.upload-page [aria-invalid=true] { border-color: #ff9b9b !important; }
.upload-page .dateifeld { border: 1px dashed #8270b1; border-radius: 14px; padding: 24px; background: #201c35; }
.upload-page .dateifeld h2 { margin: 0 0 10px; font-size: 19px; }
.upload-page .dateifeld .hinweis { color: #c1bdd7; }
.upload-page .dateifeld.drag-over { border-color: #d5c3ff; background: #34264e; }
.upload-page .picker { position: relative; margin: 18px 0 8px; }
.upload-page .picker input { display: block; max-width: 100%; font-size: 16px; }
.upload-page.js .picker input { position: absolute; width: 1px; height: 1px; padding: 0; opacity: 0; }
.upload-page .dateien-button { display: none; }
.upload-page.js .dateien-button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 48px; padding: 12px 18px; border: 1px solid #baa3ee; border-radius: 10px; background: #30254c; color: #f1eaff; font-weight: 600; cursor: pointer; }
.upload-page :focus-visible, .upload-page .picker input:focus-visible + label { outline: 3px solid #c9acff; outline-offset: 3px; }
.upload-page #dateiliste { list-style: none; padding: 0; margin: 16px 0 0; }
.upload-page .dateizeile { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid #403754; }
.upload-page .datei-angaben { flex: 1; min-width: 0; }
.upload-page .datei-name { display: block; overflow-wrap: anywhere; font-size: 14px; font-weight: 600; }
.upload-page .datei-groesse { display: block; color: #beb8d0; font-size: 13px; margin-top: 4px; }
.upload-page .entfernen { min-width: 44px; min-height: 44px; flex-shrink: 0; border: 1px solid #726187; background: transparent; color: #f1eaff; border-radius: 8px; cursor: pointer; }
.upload-page .datei-summe { margin-top: 14px !important; color: #ded6ef !important; }
.upload-page .submit-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 18px; margin-top: 24px; }
.upload-page .submit-button { min-height: 52px; padding: 14px 24px; border: 0; border-radius: 10px; background: #b294fa; color: #171125; font-weight: 700; font-size: 16px; cursor: pointer; }
.upload-page .submit-button:hover { background: #c2aaff; }
.upload-page button:disabled { opacity: .6; cursor: wait; }
.upload-page fieldset:disabled .dateien-button { opacity: .6; cursor: wait; }
.upload-page .submit-row .hinweis { flex: 1; min-width: 170px; }
.upload-page .upload-progress { margin-top: 24px; }
.upload-page .progress-heading { display: flex; justify-content: space-between; gap: 16px; font-size: 14px; margin-bottom: 10px; }
.upload-page progress { display: block; width: 100%; height: 12px; border: 0; border-radius: 20px; overflow: hidden; accent-color: #b294fa; background: #30354a; }
.upload-page progress::-webkit-progress-bar { background: #30354a; border-radius: 20px; }
.upload-page progress::-webkit-progress-value { background: #b294fa; border-radius: 20px; }
.upload-page progress::-moz-progress-bar { background: #b294fa; }
.upload-page #uploadStatus { overflow-wrap: anywhere; }
.upload-page #uploadStatus:not(:empty) { margin: 20px 0 0; padding: 16px; border: 1px solid #53617d; border-radius: 10px; background: #202940; color: #e0e6f5; }
.upload-page #uploadStatus[data-art=fehler] { background: #361e2a; color: #ffd0d0; border-color: #b3707d; }
.upload-page #uploadStatus[data-art=erfolg] { background: #153c32; color: #b6f2d8; border-color: #528c78; }
.upload-page .help-note { color: #b5bfd2; margin: 18px 2px 0; line-height: 1.6; font-size: 13px; }
@media (max-width: 1024px) {
    .upload-page .app { display: block; }
    .upload-page .sidebar { width: 100%; padding: 16px 24px; border-right: 0; border-bottom: 1px solid var(--border); }
    .upload-page .brand { margin: 0; }
    .upload-page .sidebar-content { padding-top: 22px; }
    .upload-page.js .menu-toggle { display: inline-flex; align-items: center; gap: 8px; }
    .upload-page.js:not(.menu-open) .sidebar-content { display: none; }
    .upload-page .sidebar nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
    .upload-page .sidebar .nav-link { margin: 0; }
    .upload-page .nav-label { margin-left: 10px; }
    .upload-page .sidebar-bottom { display: none; }
    .upload-page .logout-form { margin-bottom: 0; }
    .upload-page .main { padding: 28px 24px 40px; }
    .upload-page .profile { display: flex; }
}
@media (max-width: 600px) {
    .upload-page .sidebar { padding: 14px 16px; }
    .upload-page .brand strong { font-size: 18px; }
    .upload-page .brand-icon { width: 36px; height: 36px; font-size: 26px; }
    .upload-page .brand small { font-size: 9px; }
    .upload-page .main { padding: 24px 16px 32px; padding-bottom: max(32px, env(safe-area-inset-bottom)); }
    .upload-page .topbar { flex-direction: column; gap: 12px; margin-bottom: 20px; }
    .upload-page .topbar h1 { font-size: 28px; }
    .upload-page .profile { max-width: 100%; margin: 0; gap: 8px; }
    .upload-page .profile .avatar { display: none; }
    .upload-page .profile small { display: none; }
    .upload-page .profile strong { font-size: 12px; color: #b5bfd2; font-weight: 400; }
    .upload-page .upload-intro { gap: 6px; margin-bottom: 20px; }
    .upload-page .info-chip { font-size: 12px; padding: 6px 10px; }
    .upload-page .abgabe { padding: 20px 16px; }
    .upload-page .felder { grid-template-columns: minmax(0, 1fr); gap: 20px; margin-bottom: 24px; }
    .upload-page .dateifeld { padding: 20px 14px; }
    .upload-page.js .dateien-button { width: 100%; }
    .upload-page .submit-button { width: 100%; }
    .upload-page .submit-row .hinweis { text-align: center; }
}