/*
 * User Interface — FISI-Trainer
 * v0.8.0 Redesign: complete rewrite, kein Erbe aus admin.css.
 */

@import url('theme.css');

/* 1. Reset & Base
------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--user-text);
    background-color: var(--user-content-bg);
    -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }
a { color: var(--user-primary); }

/* 2. App Layout (Sidebar + Content)
------------------------------------------------------------- */
.user-app {
    min-height: 100vh;
    background-color: var(--user-content-bg);
}

.user-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 56px;
    background-color: var(--user-sidebar-bg);
    color: var(--user-sidebar-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md) 0;
    z-index: 100;
}

.user-sidebar__logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background-color: var(--user-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-decoration: none;
    margin-bottom: var(--space-lg);
}

.user-sidebar__nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.user-sidebar__item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: var(--user-sidebar-text);
    text-decoration: none;
    transition: color 0.1s ease, background-color 0.1s ease;
}
.user-sidebar__item svg { width: 20px; height: 20px; }
.user-sidebar__item:hover { color: #fff; background-color: rgba(255,255,255,0.06); }

.user-sidebar__item--active {
    color: #fff;
    background-color: rgba(30, 78, 216, 0.18);
}
.user-sidebar__item--active::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 8px; bottom: 8px;
    width: 3px;
    background-color: var(--user-primary);
    border-radius: 0 3px 3px 0;
}

/* CSS-only tooltip */
.user-sidebar__item[data-tooltip]:hover::after,
.user-sidebar__item[data-tooltip]:focus-visible::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background-color: #1f2937;
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 200;
}

.user-sidebar__foot {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.user-sidebar__level {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 4px 0;
    color: rgba(255,255,255,0.85);
    font-size: 0.65rem;
    font-family: var(--user-font-mono);
    cursor: default;
}
.user-sidebar__level-num {
    font-weight: 700;
    letter-spacing: 0.05em;
}
.user-sidebar__xp-bar {
    width: 36px;
    height: 4px;
    background-color: rgba(255,255,255,0.15);
    border-radius: 999px;
    overflow: hidden;
}
.user-sidebar__xp-fill {
    height: 100%;
    background-color: var(--user-accent);
    border-radius: 999px;
    transition: width 0.2s;
}
.user-sidebar__level[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background-color: #1f2937;
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 200;
}
.user-sidebar__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--user-accent);
    color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    cursor: pointer;
    position: relative;
}
.user-sidebar__avatar[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background-color: #1f2937;
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    pointer-events: none;
}

.user-content {
    margin-left: 56px;
    min-height: 100vh;
    padding: 0;
}

/* 3. Top Bar
------------------------------------------------------------- */
.user-topbar {
    background-color: var(--user-surface);
    border-bottom: 1px solid var(--user-border);
    padding: var(--space-md) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}
.user-topbar__title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--user-text);
}
.user-topbar__meta {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    color: var(--user-text-muted);
    font-size: 0.875rem;
}
.user-topbar__streak {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--user-warning);
    font-weight: 600;
}

.user-page {
    padding: var(--space-xl);
    max-width: 1100px;
    margin: 0 auto;
}

/* 4. Cards & Surfaces
------------------------------------------------------------- */
.card {
    background-color: var(--user-surface);
    border: 1px solid var(--user-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    padding: var(--space-lg);
}
.card__title {
    margin: 0 0 var(--space-sm);
    color: var(--user-text);
    font-size: 1.1rem;
}
.card__text {
    margin: 0 0 var(--space-md);
    color: var(--user-text-muted);
}
.muted { color: var(--user-text-muted); }
.section-title {
    margin: 0 0 var(--space-md);
    font-size: 0.875rem;
    color: var(--user-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

/* 5. Buttons
------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 10px 18px;
    border-radius: 8px;
    border: 1px solid transparent;
    background-color: transparent;
    color: var(--user-text);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.1s, border-color 0.1s, color 0.1s;
}
.btn--primary {
    background-color: var(--user-primary);
    color: #fff;
    border-color: var(--user-primary);
}
.btn--primary:hover { background-color: var(--user-primary-dark); border-color: var(--user-primary-dark); }
.btn--ghost {
    background-color: transparent;
    color: var(--user-text);
    border-color: var(--user-border);
}
.btn--ghost:hover { background-color: var(--user-content-bg); }
.btn--danger {
    background-color: var(--user-error);
    color: #fff;
    border-color: var(--user-error);
}
.btn--danger:hover { filter: brightness(0.9); }
.btn--small { padding: 6px 12px; font-size: 0.85rem; }
.btn--cta { padding: 14px 28px; font-size: 1.05rem; }

/* 6. Forms
------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: var(--space-md); }
.form-row { display: flex; gap: var(--space-md); flex-wrap: wrap; align-items: center; }
.form-row .form__field { flex: 1; min-width: 200px; }
.form__field { display: flex; flex-direction: column; gap: 6px; }
.form__label { font-weight: 600; color: var(--user-text); font-size: 0.9rem; }
.form__input,
.form__select,
.form__textarea {
    border: 1px solid var(--user-border);
    border-radius: 8px;
    padding: 10px 14px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--user-surface);
    color: var(--user-text);
    transition: border-color 0.1s, box-shadow 0.1s;
}
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--user-primary);
    box-shadow: 0 0 0 3px rgba(30,78,216,0.15);
}
.form__textarea { min-height: 100px; resize: vertical; }
.form__input--code {
    font-family: var(--user-font-mono);
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    text-align: center;
}
.form__error { margin: 0; color: var(--user-error); font-size: 0.85rem; }
.form__hint { margin: 0; color: var(--user-text-muted); font-size: 0.85rem; }

/* 7. Flash Messages
------------------------------------------------------------- */
.flash {
    border-radius: 10px;
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--user-border);
    background-color: var(--user-surface);
    color: var(--user-text);
}
.user-flash { margin: var(--space-md) var(--space-xl) 0; }
.flash--success { background-color: #ecfdf5; border-color: var(--user-success); color: #065f46; }
.flash--error   { background-color: #fef2f2; border-color: var(--user-error);   color: #991b1b; }
.flash--info    { background-color: #eef2ff; border-color: var(--user-primary); color: #1e3a8a; }
.flash--warning { background-color: #fffbeb; border-color: var(--user-warning); color: #92400e; }
.flash__detail { display: block; margin-top: 4px; font-size: 0.85rem; opacity: 0.9; }

/* 8. Landing Page
------------------------------------------------------------- */
.landing-body { background-color: var(--user-surface); color: var(--user-text); }
.landing-hero {
    background-color: var(--user-hero-bg);
    color: var(--user-hero-text);
    padding: var(--space-xl) 0 var(--space-2xl);
}
.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-xl);
    max-width: 1100px;
    margin: 0 auto var(--space-2xl);
}
.landing-nav__logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    color: #fff;
    text-decoration: none;
}
.landing-nav__login {
    color: #fff;
    background-color: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
}
.landing-nav__login:hover { background-color: rgba(255,255,255,0.2); }
.landing-hero__inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--space-xl);
}
.landing-hero__headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin: 0 0 var(--space-md);
    line-height: 1.1;
    font-weight: 800;
}
.landing-hero__subline {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.85);
    margin: 0 auto var(--space-xl);
    max-width: 600px;
    line-height: 1.5;
}
.landing-hero__cta { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }
.landing-hero .btn--primary { background-color: var(--user-accent); border-color: var(--user-accent); color: #1a1a1a; }
.landing-hero .btn--primary:hover { filter: brightness(0.95); }
.landing-hero .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.4); }
.landing-hero .btn--ghost:hover { background-color: rgba(255,255,255,0.1); }

.landing-section {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 1100px;
    margin: 0 auto;
}
.landing-section__title {
    text-align: center;
    font-size: 1.75rem;
    margin: 0 0 var(--space-xl);
    color: var(--user-text);
}
.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}
.landing-feature {
    background-color: var(--user-surface);
    border: 1px solid var(--user-border);
    border-radius: 12px;
    padding: var(--space-lg);
    text-align: center;
}
.landing-feature__icon { font-size: 2.5rem; margin-bottom: var(--space-sm); }
.landing-feature__title { margin: 0 0 var(--space-xs); font-size: 1.1rem; }
.landing-feature__text { color: var(--user-text-muted); margin: 0; line-height: 1.5; }

.landing-topics {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
}
.landing-topic {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--user-content-bg);
    border-radius: 10px;
    border: 1px solid var(--user-border);
    text-align: center;
    font-weight: 600;
}

.landing-cta-section {
    background-color: var(--user-hero-bg);
    color: #fff;
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
}
.landing-cta-section h2 {
    font-size: 2rem;
    margin: 0 0 var(--space-lg);
}
.landing-cta-section .btn--primary {
    background-color: var(--user-accent);
    border-color: var(--user-accent);
    color: #1a1a1a;
}

.landing-footer {
    padding: var(--space-lg) var(--space-xl);
    text-align: center;
    color: var(--user-text-muted);
    font-size: 0.85rem;
    background-color: var(--user-surface);
    border-top: 1px solid var(--user-border);
}
.landing-footer a { color: var(--user-text-muted); }

/* 9. Auth Split Layout
------------------------------------------------------------- */
.auth-split {
    display: flex;
    min-height: 100vh;
    background-color: var(--user-surface);
}
.auth-split__panel {
    flex: 1;
    background-color: var(--user-hero-bg);
    color: #fff;
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.auth-split__panel-logo {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-md);
}
.auth-split__panel-tag {
    font-size: 1.25rem;
    margin: 0 0 var(--space-xl);
    color: rgba(255,255,255,0.85);
    line-height: 1.4;
}
.auth-split__panel-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.auth-split__panel-list li {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    color: rgba(255,255,255,0.85);
}
.auth-split__panel-list li::before {
    content: '✓';
    color: var(--user-accent);
    font-weight: 700;
}

.auth-split__form {
    flex: 1;
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 540px;
    margin: 0 auto;
    width: 100%;
}
.auth-split__title {
    margin: 0 0 var(--space-xs);
    font-size: 1.75rem;
    color: var(--user-text);
}
.auth-split__subtitle {
    margin: 0 0 var(--space-xl);
    color: var(--user-text-muted);
}
.auth-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--user-border);
    margin-bottom: var(--space-lg);
}
.auth-tab {
    padding: 10px 20px;
    border: none;
    background: none;
    color: var(--user-text-muted);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}
.auth-tab--active { color: var(--user-primary); border-bottom-color: var(--user-primary); }
.auth-foot {
    margin-top: var(--space-lg);
    text-align: center;
    color: var(--user-text-muted);
}

@media (max-width: 720px) {
    .auth-split { flex-direction: column; }
    .auth-split__panel { padding: var(--space-xl); }
}

/* 10. Dashboard
------------------------------------------------------------- */
.dashboard-hero {
    background: linear-gradient(135deg, var(--user-hero-bg) 0%, var(--user-primary) 100%);
    color: #fff;
    border-radius: 16px;
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}
.dashboard-hero__main { flex: 1; min-width: 240px; }
.dashboard-hero__title { margin: 0 0 var(--space-xs); font-size: 1.75rem; }
.dashboard-hero__sub   { margin: 0 0 var(--space-md); color: rgba(255,255,255,0.85); }
.dashboard-hero__cta   { margin-top: var(--space-md); }
.dashboard-hero__cta .btn--primary {
    background-color: var(--user-accent);
    border-color: var(--user-accent);
    color: #1a1a1a;
}
.dashboard-hero__countdown {
    text-align: right;
    background-color: rgba(255,255,255,0.12);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    min-width: 180px;
}
.dashboard-hero__countdown-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
    opacity: 0.85;
}
.dashboard-hero__countdown-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--user-font-mono);
}

/* Hero exam countdown */
.hero-exam-countdown {
    background: rgba(255,255,255,0.14);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    min-width: 120px;
}
.hero-exam-countdown__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7);
}
.hero-exam-countdown__days {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--user-font-mono);
    color: var(--user-accent);
    line-height: 1;
}
.hero-exam-countdown__unit {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
}

/* Hero XP block */
.hero-xp {
    background-color: rgba(255,255,255,0.14);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.hero-xp__level {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-sm);
    color: rgba(255,255,255,0.85);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.hero-xp__level strong {
    font-size: 1.75rem;
    color: var(--user-accent);
    font-family: var(--user-font-mono);
    line-height: 1;
}
.hero-xp__bar {
    height: 8px;
    background-color: rgba(255,255,255,0.18);
    border-radius: 999px;
    overflow: hidden;
}
.hero-xp__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--user-accent), #fbbf24);
    border-radius: 999px;
    transition: width 0.3s;
}
.hero-xp__label {
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    font-family: var(--user-font-mono);
}
.hero-xp__goal {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Topbar XP / Level chips */
.user-topbar__xp,
.user-topbar__lvl {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 999px;
    background-color: var(--user-content-bg);
    color: var(--user-text);
    font-weight: 600;
    font-size: 0.85rem;
    font-family: var(--user-font-mono);
}
.user-topbar__xp { color: var(--user-warning); }
.user-topbar__lvl { color: var(--user-primary); }

/* Badges grid */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-sm);
}
.badge-item {
    background-color: var(--user-surface);
    border: 1px solid var(--user-border);
    border-radius: 10px;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
    position: relative;
    transition: transform 0.1s;
}
.badge-item--unlocked {
    border-color: var(--user-accent);
    box-shadow: 0 1px 6px rgba(245,158,11,0.18);
}
.badge-item--unlocked:hover { transform: translateY(-1px); }
.badge-item--locked {
    opacity: 0.4;
    filter: grayscale(0.6);
}
.badge-item__icon { font-size: 1.75rem; line-height: 1; }
.badge-item__name { font-weight: 600; font-size: 0.85rem; }
.badge-item__lock {
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 0.85rem;
}

/* XP earned (result pages) */
.xp-earned {
    margin-top: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--user-accent), #fbbf24);
    color: #1a1a1a;
    border-radius: 12px;
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-sm);
    font-weight: 700;
}
.xp-earned__amount {
    font-size: 1.75rem;
    font-family: var(--user-font-mono);
}
.xp-earned__label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* New badges block */
.new-badges {
    margin-top: var(--space-lg);
    padding: var(--space-lg);
    border-radius: 12px;
    background-color: #fffbeb;
    border: 1px solid var(--user-accent);
    text-align: left;
}
.new-badges h3 {
    margin: 0 0 var(--space-md);
    color: #78350f;
}
.new-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--user-surface);
    border: 1px solid var(--user-accent);
    border-radius: 10px;
    margin-bottom: 6px;
}
.new-badge__icon { font-size: 1.5rem; }
.new-badge__name { font-weight: 700; }
.new-badge__desc { color: var(--user-text-muted); font-size: 0.85rem; }

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    background-color: var(--user-surface);
    border: 1px solid var(--user-border);
    border-radius: 12px;
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}
@media (max-width: 600px) { .dashboard-stats { grid-template-columns: repeat(2, 1fr); } }
.dashboard-stats__item { text-align: center; }
.dashboard-stats__value {
    font-size: 1.75rem; font-weight: 800;
    color: var(--user-text);
    font-family: var(--user-font-mono);
    line-height: 1;
}
.dashboard-stats__label {
    margin-top: 4px;
    color: var(--user-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.goal-toggle {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    background-color: var(--user-content-bg);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--user-border);
    margin: 0;
    width: fit-content;
}
.goal-toggle__btn {
    padding: 6px 14px;
    border-radius: 8px;
    border: none;
    background-color: transparent;
    color: var(--user-text-muted);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
}
.goal-toggle__btn--active {
    background-color: var(--user-surface);
    color: var(--user-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}
.topic-card {
    background-color: var(--user-surface);
    border: 1px solid var(--user-border);
    border-radius: 12px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: transform 0.1s, box-shadow 0.1s;
}
.topic-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.topic-card__icon { font-size: 2rem; line-height: 1; }
.topic-card__name { margin: 0; color: var(--user-text); font-size: 1.05rem; }
.topic-card__progress { display: flex; flex-direction: column; gap: 4px; margin-top: var(--space-xs); }
.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--user-content-bg);
    border-radius: 999px;
    overflow: hidden;
}
.progress-bar__fill {
    height: 100%;
    background-color: var(--user-primary);
    border-radius: 999px;
    transition: width 0.2s;
}
.topic-card__stats {
    display: flex;
    justify-content: space-between;
    color: var(--user-text-muted);
    font-size: 0.8rem;
}
.topic-card__action {
    margin-top: auto;
    display: flex;
    gap: var(--space-xs);
}

.dashboard-admin-link {
    display: inline-block;
    margin-top: var(--space-md);
    color: var(--user-accent);
    font-weight: 600;
    text-decoration: none;
}

/* 11. Quiz
------------------------------------------------------------- */
.quiz-wrap { max-width: 760px; margin: 0 auto; }
.quiz-header { display: flex; flex-direction: column; gap: var(--space-xs); margin-bottom: var(--space-lg); }
.quiz-progress {
    width: 100%;
    height: 6px;
    background-color: var(--user-border);
    border-radius: 999px;
    overflow: hidden;
}
.quiz-progress__fill {
    height: 100%;
    background-color: var(--user-primary);
    transition: width 0.2s;
}
.quiz-counter { margin: 0; color: var(--user-text-muted); font-size: 0.85rem; text-align: right; }
.quiz-question {
    margin: var(--space-md) 0;
    color: var(--user-text);
    font-size: 1.4rem;
    line-height: 1.4;
}
.quiz-hint {
    margin: 0 0 var(--space-md);
    font-size: 0.85rem;
    color: var(--user-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Antwort-Kacheln */
.quiz-options {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.quiz-option {
    border: 2px solid var(--user-border);
    border-radius: 10px;
    background-color: var(--user-surface);
    padding: 0;
    transition: border-color 0.1s, background-color 0.1s;
}
.quiz-option label {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    width: 100%;
    color: var(--user-text);
    font-size: 1rem;
}
.quiz-option label > input[type="radio"],
.quiz-option label > input[type="checkbox"] {
    flex-shrink: 0;
}
.quiz-option__badge {
    display: inline-flex;
    width: 28px; height: 28px;
    border-radius: 6px;
    background-color: var(--user-content-bg);
    color: var(--user-text);
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--user-font-mono);
    flex-shrink: 0;
    transition: background-color 0.1s, color 0.1s;
}
.quiz-option:hover {
    border-color: var(--user-primary-light);
    background-color: #f8fafc;
}
.quiz-option:has(input:checked) {
    border-color: var(--user-primary);
    background-color: rgba(30,78,216,0.06);
}
.quiz-option:has(input:checked) .quiz-option__badge {
    background-color: var(--user-primary);
    color: #fff;
}
.quiz-option__chosen-tag {
    display: none;
    margin-left: auto;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background-color: var(--user-primary);
    color: #fff;
    padding: 3px 8px;
    border-radius: 4px;
}
.quiz-option:has(input:checked) .quiz-option__chosen-tag { display: inline-block; }

/* Feedback variants */
.quiz-option--correct {
    border-color: var(--user-success);
    background-color: #ecfdf5;
}
.quiz-option--correct .quiz-option__badge { background-color: var(--user-success); color: #fff; }
.quiz-option--wrong {
    border-color: var(--user-error);
    background-color: #fef2f2;
}
.quiz-option--wrong .quiz-option__badge { background-color: var(--user-error); color: #fff; }
.quiz-option--missed {
    border-color: var(--user-warning);
    border-style: dashed;
    background-color: #fffbeb;
}
.quiz-feedback--correct { border-left: 4px solid var(--user-success); }
.quiz-feedback--wrong   { border-left: 4px solid var(--user-error); }
.quiz-explanation {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background-color: var(--user-content-bg);
    border-radius: 8px;
    line-height: 1.5;
}

.quiz-result { text-align: center; }
.quiz-result__score {
    font-size: 4rem;
    font-weight: 800;
    color: var(--user-primary);
    line-height: 1;
    font-family: var(--user-font-mono);
}
.quiz-result__verdict { margin: var(--space-sm) 0; font-size: 1.25rem; }
.quiz-result__detail  { margin: 0; color: var(--user-text-muted); }

/* 12. Exam — Timer, Notenanzeige, Submit-Liste
------------------------------------------------------------- */
.exam-timer {
    align-self: flex-end;
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-xs);
    background-color: var(--user-surface);
    border: 1px solid var(--user-border);
    border-radius: 8px;
    padding: 6px 12px;
    font-family: var(--user-font-mono);
}
.exam-timer__label {
    font-size: 0.7rem;
    color: var(--user-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.exam-timer__display {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--user-text);
}
.exam-timer--warning { border-color: var(--user-warning); background-color: #fffbeb; }
.exam-timer--warning .exam-timer__display { color: var(--user-warning); }
.exam-timer--critical { border-color: var(--user-error); background-color: #fef2f2; animation: exam-blink 1s infinite; }
.exam-timer--critical .exam-timer__display { color: var(--user-error); }
@keyframes exam-blink { 0%,100% {opacity:1;} 50% {opacity:0.55;} }

.exam-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-md);
}
.exam-nav__forward { margin-left: auto; }

.exam-summary {
    list-style: none;
    margin: 0; padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 6px;
}
.exam-summary__item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--user-border);
    border-radius: 6px;
    font-size: 0.85rem;
}
.exam-summary__done { background-color: #ecfdf5; border-color: var(--user-success); color: #065f46; }
.exam-summary__open { background-color: var(--user-content-bg); color: var(--user-text-muted); }

.grade-display { text-align: center; border-top: 6px solid var(--user-primary); }
.grade-display__number {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    font-family: var(--user-font-mono);
}
.grade-display__label { margin-top: var(--space-sm); font-size: 1.5rem; }
.grade-display__detail { margin-top: var(--space-md); color: var(--user-text-muted); }

.grade-display--1 { border-top-color: #16a34a; }
.grade-display--1 .grade-display__number { color: #16a34a; }
.grade-display--2 { border-top-color: #22c55e; }
.grade-display--2 .grade-display__number { color: #22c55e; }
.grade-display--3 { border-top-color: #eab308; }
.grade-display--3 .grade-display__number { color: #eab308; }
.grade-display--4 { border-top-color: #f97316; }
.grade-display--4 .grade-display__number { color: #f97316; }
.grade-display--5 { border-top-color: #dc2626; }
.grade-display--5 .grade-display__number { color: #dc2626; }
.grade-display--6 { border-top-color: #7f1d1d; }
.grade-display--6 .grade-display__number { color: #7f1d1d; }

.grade-table { width: 100%; border-collapse: collapse; }
.grade-table th, .grade-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--user-border);
}
.grade-table th { background-color: var(--user-content-bg); font-weight: 600; }
.grade-table__row--active { background-color: rgba(245,158,11,0.15); font-weight: 600; }

/* 13. Settings (User)
------------------------------------------------------------- */
.timeout-options { display: flex; flex-direction: column; gap: var(--space-sm); margin: var(--space-md) 0; }
.timeout-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 16px;
    border: 1px solid var(--user-border);
    border-radius: 8px;
    cursor: pointer;
    background-color: var(--user-surface);
}
.timeout-option:hover:not(.timeout-option--disabled) {
    border-color: var(--user-primary);
}
.timeout-option:has(input[type="radio"]:checked) {
    background-color: rgba(30,78,216,0.06);
    border-color: var(--user-primary);
    font-weight: 600;
}
.timeout-option--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--user-content-bg);
}

/* 14. Rating Banner & Stars
------------------------------------------------------------- */
.rating-banner {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #f59e0b;
    border-radius: 12px;
    padding: var(--space-lg);
    text-align: center;
    margin-bottom: var(--space-xl);
}
.rating-banner h3 { margin: 0 0 4px; color: #78350f; }
.rating-banner p  { margin: 0 0 var(--space-md); color: #78350f; }
.star-rating {
    display: inline-flex;
    flex-direction: row-reverse;
    justify-content: center;
    align-items: center;
    gap: 4px;
}
.star-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 2rem;
    color: #d1d5db;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.1s;
}
.star-btn:hover,
.star-btn:hover ~ .star-btn,
.star-btn:focus,
.star-btn:focus ~ .star-btn { color: var(--user-accent); }
.star-rating__later { margin-left: var(--space-md); flex-direction: row; }
.rating-thanks-stars { font-size: 2rem; letter-spacing: 4px; margin: var(--space-md) 0; }
.rating-thanks-stars__star { color: var(--user-border); }
.rating-thanks-stars__star--on { color: var(--user-accent); }

/* 15. Footer / Utilities
------------------------------------------------------------- */
.app-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    color: var(--user-text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--user-border);
    background-color: var(--user-surface);
    margin-top: var(--space-2xl);
}
.app-footer__version { font-family: var(--user-font-mono); font-size: 0.75rem; }

.auth__hint { text-align: center; color: var(--user-text-muted); margin: 0; }
.auth__link { color: var(--user-primary); font-weight: 600; }

.changelog h1 { color: var(--user-text); margin: 0 0 var(--space-md); }
.changelog h2 {
    font-size: 1.25rem;
    color: var(--user-text);
    margin: var(--space-xl) 0 var(--space-sm);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--user-border);
}
.changelog h3 { font-size: 1rem; margin: var(--space-md) 0 4px; }
.changelog ul { padding-left: var(--space-lg); margin: 0; }
.changelog li { margin-bottom: 4px; line-height: 1.5; }
.changelog hr { border: none; border-top: 1px solid var(--user-border); margin: var(--space-xl) 0; }
.changelog p  { margin: 0 0 var(--space-sm); line-height: 1.5; }
.changelog a  { color: var(--user-primary); }

.delete-form { display: inline; }
.checkbox-group { display: flex; gap: var(--space-md); align-items: center; flex-wrap: wrap; }
.checkbox-group__item { display: flex; align-items: center; gap: 4px; }

/* Site footer (alle Seiten) */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: var(--color-surface);
}
.site-footer__nav {
    display: flex;
    gap: var(--space-md);
}
.site-footer__nav a {
    color: var(--color-text-muted);
    text-decoration: none;
}
.site-footer__nav a:hover {
    color: var(--color-text-primary);
}

.legal-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.legal-content {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    flex: 1;
    width: 100%;
}
.legal-back { margin-bottom: var(--space-md); }
.legal-content h2 { margin-top: 0; }
.legal-content h3 { margin-top: 1.5rem; }