* { box-sizing: border-box; }

:root {
    color-scheme: dark;
    --bg: #0b0d10;
    --panel: #12151a;
    --panel-2: #171b21;
    --border: #262c35;
    --text: #f6f7f9;
    --muted: #969eaa;
    --accent: #d8ff5f;
    --accent-2: #bde83d;
    --success: #91e56f;
    --warning: #ffd166;
    --danger: #ff8d8d;
    --shadow: 0 18px 60px rgba(0, 0, 0, .28);
}

html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(216,255,95,.08), transparent 28rem), var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}
button, input { font: inherit; }
a { color: inherit; }
.page-shell { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }

.hero {
    min-height: 76vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 84px 0 64px;
}
.brand {
    color: var(--text);
    font-size: clamp(2.4rem, 8vw, 5.8rem);
    font-weight: 850;
    letter-spacing: -.065em;
    text-decoration: none;
}
.claim { margin: 4px 0 42px; color: var(--muted); font-size: clamp(1.1rem,3vw,1.55rem); }

.ip-card,
.checker-card,
.result-card {
    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(18,21,26,.88);
    box-shadow: var(--shadow);
}
.ip-card { width: 100%; padding: 30px; }
.eyebrow, .kicker, .mini-label, .result-label {
    color: var(--accent);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.ip-row { display: flex; align-items: center; gap: 14px; margin-top: 10px; }
.ip-address {
    min-width: 0;
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: clamp(1.9rem, 8vw, 4.4rem);
    font-weight: 800;
    letter-spacing: -.05em;
    overflow-wrap: anywhere;
}
.copy-button, .details-toggle, .primary-button {
    border: 0;
    border-radius: 999px;
    cursor: pointer;
}
.copy-button, .primary-button {
    background: var(--accent);
    color: #111;
    font-weight: 850;
}
.copy-button { flex: 0 0 auto; padding: 11px 16px; }
.copy-button:hover, .primary-button:hover { background: var(--accent-2); }
.ip-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    align-items: center;
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    overflow-wrap: anywhere;
}
.badge {
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(216,255,95,.12);
    color: var(--accent);
    font-size: .78rem;
    font-weight: 800;
}
.details-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 22px;
    padding: 12px 18px;
    background: transparent;
    color: var(--muted);
}
.details-toggle:hover { color: var(--text); background: rgba(255,255,255,.04); }

.details-panel, .checker-section, .tools {
    padding: 76px 0;
    border-top: 1px solid var(--border);
}
.section-heading { max-width: 760px; margin-bottom: 30px; }
.section-heading h1, .section-heading h2 {
    margin: 7px 0 10px;
    font-size: clamp(2rem,6vw,3.4rem);
    line-height: 1.05;
    letter-spacing: -.045em;
}
.section-heading p { color: var(--muted); }
.section-heading strong { color: var(--text); }

.stack-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-bottom: 14px; }
.stack-card,
.detail-card,
.explain-grid article,
.tool-card {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel);
}
.stack-card { padding: 24px; }
.stack-topline { display: flex; justify-content: space-between; gap: 12px; align-items: center; color: var(--muted); }
.stack-card > strong {
    display: block;
    margin: 16px 0 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: clamp(1.2rem,4vw,2rem);
    overflow-wrap: anywhere;
}
.stack-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.status-pill {
    padding: 5px 8px;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 850;
    text-transform: uppercase;
}
.status-pill.pending { background: rgba(255,255,255,.06); color: var(--muted); }
.status-pill.ok { background: rgba(145,229,111,.12); color: var(--success); }
.status-pill.off { background: rgba(255,141,141,.10); color: var(--danger); }
.status-pill.unknown { background: rgba(255,209,102,.10); color: var(--warning); }
.status-pill.paused { background: rgba(255,255,255,.06); color: var(--muted); }

.detail-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.detail-card { min-width: 0; padding: 22px; }
.detail-card span { display: block; margin-bottom: 8px; color: var(--muted); font-size: .86rem; }
.detail-card strong { display: block; font-size: 1rem; }
.break-all { overflow-wrap: anywhere; }
.privacy-note { margin-top: 16px; color: var(--muted); font-size: .86rem; }

.checker-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; align-items: stretch; }
.checker-card, .result-card { padding: 26px; }
.checker-card > label { display: block; margin-bottom: 8px; font-weight: 750; }
.input-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.input-row input {
    min-width: 0;
    padding: 14px 16px;
    border: 1px solid #333a45;
    border-radius: 14px;
    outline: none;
    background: #0f1216;
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.input-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(216,255,95,.08); }
.primary-button { padding: 13px 20px; }
.field-help { margin: 9px 0 22px; color: var(--muted); font-size: .84rem; }
fieldset { margin: 0; padding: 0; border: 0; }
legend { margin-bottom: 10px; font-weight: 700; }
.choice-row { display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--muted); }
.choice-row label { cursor: pointer; }
.choice-row input { accent-color: var(--accent); }
.router-help {
    margin-top: 22px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255,255,255,.035);
    color: var(--muted);
    font-size: .87rem;
}
.router-help strong { color: var(--text); }

.result-card { transition: border-color .2s ease, background .2s ease; }
.result-card h3 { margin: 10px 0 8px; font-size: 1.55rem; line-height: 1.15; }
.result-card p { color: var(--muted); }
.result-card ul { margin: 18px 0 0; padding-left: 20px; color: #c8ced7; }
.result-card.success { border-color: rgba(145,229,111,.48); background: rgba(145,229,111,.06); }
.result-card.warning { border-color: rgba(255,209,102,.48); background: rgba(255,209,102,.055); }
.result-card.error { border-color: rgba(255,141,141,.48); background: rgba(255,141,141,.055); }
.result-card.loading { opacity: .72; }

.explain-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 18px; }
.explain-grid article { padding: 22px; }
.explain-grid h3 { margin: 8px 0 8px; font-size: 1rem; }
.explain-grid p { margin: 0; color: var(--muted); font-size: .9rem; }

.tool-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.tool-card { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 22px; }
.tool-card.disabled { opacity: .72; }
.tool-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--accent); color: #111; font-weight: 900; }
.tool-card h3 { margin: 0 0 4px; font-size: 1rem; }
.tool-card p { margin: 0; color: var(--muted); font-size: .91rem; }
.version-tag { color: var(--accent); font-size: .75rem; font-weight: 850; text-transform: uppercase; }

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-end;
    padding: 36px 0 52px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: .88rem;
}
.site-footer > div { display: grid; gap: 2px; }
.site-footer strong { color: var(--text); }
.site-footer nav { display: flex; gap: 18px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--text); }

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translate(-50%,24px);
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #1a1f25;
    color: var(--text);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
}
.toast.is-visible { opacity: 1; transform: translate(-50%,0); }

@media (max-width: 840px) {
    .detail-grid { grid-template-columns: repeat(2,1fr); }
    .checker-layout, .explain-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
    .hero { min-height: auto; padding-top: 56px; }
    .ip-card, .checker-card, .result-card { padding: 22px; }
    .ip-row { align-items: stretch; flex-direction: column; }
    .copy-button { align-self: flex-start; }
    .stack-grid, .detail-grid, .tool-grid { grid-template-columns: 1fr; }
    .input-row { grid-template-columns: 1fr; }
    .primary-button { width: 100%; }
    .tool-card { grid-template-columns: auto 1fr; }
    .version-tag { grid-column: 2; }
    .site-footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}

/* V0.3 Privacy / VPN / WebRTC */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    align-items: center;
}
.hero-actions .details-toggle { margin-top: 22px; }
.text-link {
    margin-top: 22px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 750;
}
.text-link:hover { text-decoration: underline; }

.privacy-overview {
    display: grid;
    gap: 14px;
}
.score-card,
.signal-card,
.privacy-tool-card,
.exposure-table-wrap {
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--panel);
}
.score-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 22px;
    align-items: center;
    padding: 24px;
}
.score-ring {
    display: grid;
    place-items: center;
    width: 104px;
    height: 104px;
    border-radius: 999px;
    border: 10px solid rgba(216,255,95,.18);
    box-shadow: inset 0 0 0 1px rgba(216,255,95,.15);
    color: var(--accent);
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -.05em;
}
.score-card h3 { margin: 7px 0 6px; font-size: 1.45rem; }
.score-card p { margin: 0 0 8px; color: var(--muted); }
.score-card small { color: #c2c8d0; }

.signal-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.signal-card { padding: 18px; }
.signal-card span { display: block; color: var(--muted); font-size: .78rem; }
.signal-card strong { display: block; margin: 5px 0; font-size: 1rem; }
.signal-card p { margin: 0; color: var(--muted); font-size: .8rem; }

.privacy-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 14px;
}
.privacy-tool-card { padding: 22px; }
.privacy-tool-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}
.privacy-tool-card h3 { margin: 5px 0 0; font-size: 1.18rem; }
.privacy-tool-card > p { color: var(--muted); min-height: 66px; }
.status-pill.warning { background: rgba(255,209,102,.11); color: var(--warning); }
.status-pill.neutral { background: rgba(255,255,255,.06); color: var(--muted); }

.secondary-button {
    border: 1px solid #39414c;
    border-radius: 999px;
    padding: 10px 14px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font-weight: 750;
}
.secondary-button:hover { border-color: var(--accent); color: var(--accent); }

.candidate-list {
    display: grid;
    gap: 8px;
    margin: 14px 0;
}
.candidate-row {
    display: grid;
    gap: 2px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,.035);
    overflow-wrap: anywhere;
}
.candidate-row strong { font-size: .82rem; }
.candidate-row span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .76rem; }

.plain-list {
    margin: 14px 0 0;
    padding-left: 18px;
    color: #c8ced7;
    font-size: .87rem;
}
.plain-list li + li { margin-top: 7px; }

.exposure-table-wrap { margin-top: 14px; padding: 22px; }
.exposure-table-wrap h3 { margin: 0 0 14px; }
.exposure-table { display: grid; }
.exposure-table > div {
    display: grid;
    grid-template-columns: minmax(180px, .45fr) 1fr;
    gap: 20px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
}
.exposure-table > div:first-child { border-top: 0; }
.exposure-table span { color: var(--muted); }
.exposure-table strong { overflow-wrap: anywhere; font-weight: 650; }

@media (max-width: 920px) {
    .signal-grid { grid-template-columns: repeat(2, 1fr); }
    .privacy-tools-grid { grid-template-columns: 1fr; }
    .privacy-tool-card > p { min-height: auto; }
}
@media (max-width: 620px) {
    .score-card { grid-template-columns: 1fr; }
    .score-ring { width: 88px; height: 88px; font-size: 1.9rem; }
    .signal-grid { grid-template-columns: 1fr; }
    .exposure-table > div { grid-template-columns: 1fr; gap: 4px; }
}

/* V0.4 – Netzwerktools */
.network-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 18px;
}
.summary-card,
.network-tool-card {
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--panel);
}
.summary-card { padding: 22px; }
.summary-card > span { display: block; color: var(--muted); font-size: .8rem; margin-bottom: 6px; }
.summary-card > strong { display: block; font-size: 1.15rem; overflow-wrap: anywhere; }
.summary-card p { margin: 8px 0 0; color: var(--muted); font-size: .88rem; }

.network-tool-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
.network-tool-card { padding: 24px; min-width: 0; }
.network-tool-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}
.network-tool-head h3 { margin: 3px 0 0; font-size: 1.2rem; }
.status-pill.neutral { background: rgba(255,255,255,.06); color: var(--muted); }
.status-pill.warning { background: rgba(255,209,102,.10); color: var(--warning); }
.tool-form label { display: block; margin-bottom: 8px; font-weight: 700; font-size: .9rem; }
.tool-input-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; }
.tool-input-row.simple { grid-template-columns: 1fr auto; }
.tool-input-row input,
.tool-input-row select {
    min-width: 0;
    padding: 12px 13px;
    border: 1px solid #333a45;
    border-radius: 12px;
    outline: none;
    background: #0f1216;
    color: var(--text);
}
.tool-input-row input { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.tool-input-row input:focus,
.tool-input-row select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(216,255,95,.08); }
.tool-help { margin: 9px 0 0; color: var(--muted); font-size: .8rem; }
.tool-result {
    margin-top: 16px;
    padding: 14px 15px;
    border-radius: 14px;
    background: rgba(255,255,255,.035);
    color: #d6dbe2;
    font-size: .88rem;
    overflow-wrap: anywhere;
}
.tool-result.muted-result { color: var(--muted); }
.tool-result.error-result { background: rgba(255,141,141,.06); color: var(--danger); }
.tool-result.success-result { background: rgba(145,229,111,.055); color: #dff7d6; }
.tool-result.loading-result { color: var(--muted); }
.tool-result-list { display: grid; gap: 8px; }
.tool-result-row { display: grid; grid-template-columns: minmax(80px,.35fr) 1fr; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.05); }
.tool-result-row:last-child { border-bottom: 0; padding-bottom: 0; }
.tool-result-row span { color: var(--muted); }
.tool-result code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.roadmap-mini { margin-top: 18px; }
.roadmap-mini .tool-icon { font-size: .72rem; }

@media (max-width: 840px) {
    .network-tool-grid, .network-summary { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
    .tool-input-row, .tool-input-row.simple { grid-template-columns: 1fr; }
    .tool-input-row .primary-button { width: 100%; }
    .tool-result-row { grid-template-columns: 1fr; gap: 2px; }
}

/* DNS measurement */
.dns-measurement-result { margin-top: 14px; min-height: 0; }
.dns-measurement-result .tool-result-list { margin: 0; }

/* V0.4.5 */
.single-stack {
    grid-template-columns: minmax(0, 1fr);
    max-width: 560px;
}

.support-layout {
    align-items: stretch;
}

.support-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.support-report-card {
    min-width: 0;
}

.support-report-output {
    margin: 12px 0 0;
    min-height: 220px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font: 0.88rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color: var(--text);
}

.secondary-button:disabled,
.primary-button:disabled {
    opacity: .5;
    cursor: not-allowed;
}

/* ===== V0.5 Portal / SEO tool pages ===== */
.portal-page { background: var(--bg); }
.portal-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--border); background: rgba(11,13,16,.92); backdrop-filter: blur(14px); }
.portal-header-inner { width: min(1080px, calc(100% - 32px)); margin: 0 auto; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.portal-logo { color: var(--text); font-weight: 850; letter-spacing: -.035em; text-decoration: none; font-size: 1.18rem; }
.portal-nav { display: flex; align-items: center; gap: 18px; }
.portal-nav a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.portal-nav a:hover { color: var(--text); }
.portal-shell { padding-top: 24px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .82rem; margin: 12px 0 28px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--text); }
.portal-hero { padding: 28px 0 38px; max-width: 850px; }
.compact-hero { min-height: 0; }
.portal-hero h1 { margin: 6px 0 14px; font-size: clamp(2.3rem, 7vw, 4.8rem); line-height: .98; letter-spacing: -.055em; }
.portal-lead { margin: 0; max-width: 760px; color: var(--muted); font-size: clamp(1rem, 2vw, 1.18rem); }
.portal-tool-box { padding: 28px; margin-bottom: 42px; border: 1px solid var(--border); border-radius: 24px; background: rgba(18,21,26,.9); box-shadow: var(--shadow); }
.primary-tool-box { padding: clamp(24px, 5vw, 42px); }
.portal-form { display: grid; gap: 14px; }
.portal-form > label { font-weight: 750; }
.portal-form fieldset { margin: 8px 0 0; padding: 18px; border: 1px solid var(--border); border-radius: 16px; }
.portal-form legend { padding: 0 8px; color: var(--muted); font-size: .9rem; }
.current-ip-strip { display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 14px 16px; margin-bottom: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--panel-2); }
.current-ip-strip span { color: var(--muted); font-size: .9rem; }
.current-ip-strip code { color: var(--accent); font-weight: 800; overflow-wrap: anywhere; }
.portal-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 26px; }
.portal-facts > div { min-width: 0; padding: 16px; border: 1px solid var(--border); border-radius: 15px; background: var(--panel-2); }
.portal-facts span { display: block; color: var(--muted); font-size: .8rem; margin-bottom: 5px; }
.portal-facts strong { display: block; overflow-wrap: anywhere; }
.privacy-facts { grid-template-columns: repeat(2,1fr); margin-top: 0; }
.tool-heading-row { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 20px; }
.tool-heading-row h2 { margin: 0 0 4px; }
.tool-heading-row p { margin: 0; color: var(--muted); }
.tool-assessment { margin: 18px 0 0; color: var(--muted); }
.portal-content { max-width: 820px; padding: 18px 0 70px; }
.portal-content h2 { margin: 42px 0 10px; font-size: clamp(1.55rem, 4vw, 2.15rem); letter-spacing: -.035em; }
.portal-content p { color: #c0c6cf; line-height: 1.72; }
.portal-more-tools { padding: 54px 0 70px; border-top: 1px solid var(--border); }
.portal-more-tools h2 { margin: 0 0 20px; font-size: 1.7rem; }
.portal-link-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
.portal-link-grid a { padding: 17px; border: 1px solid var(--border); border-radius: 15px; background: var(--panel); text-decoration: none; transition: transform .15s ease,border-color .15s ease; }
.portal-link-grid a:hover { transform: translateY(-2px); border-color: #3c4552; }
.portal-link-grid strong { display: block; margin-bottom: 3px; font-size: .94rem; }
.portal-link-grid span { display: block; color: var(--muted); font-size: .8rem; line-height: 1.35; }
.portal-footer { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.portal-directory { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; padding-bottom: 50px; }
.portal-directory > a { display: grid; grid-template-columns: 46px 1fr; gap: 14px; align-items: start; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--panel); text-decoration: none; }
.portal-directory > a:hover { background: var(--panel-2); border-color: #3c4552; }
.portal-directory > a > span { color: var(--accent); font-family: ui-monospace,SFMono-Regular,Menlo,monospace; font-weight: 800; }
.portal-directory h2 { margin: 0 0 5px; font-size: 1.05rem; }
.portal-directory p { margin: 0; color: var(--muted); font-size: .9rem; }
.home-tool-directory { padding: 70px 0; border-top: 1px solid var(--border); }
.home-tool-directory .portal-link-grid { margin-top: 24px; }
.home-tool-directory .portal-link-grid a { min-height: 100px; }
.home-tool-directory .portal-link-grid strong { font-size: 1rem; }

@media (max-width: 900px) {
  .portal-link-grid { grid-template-columns: repeat(2,1fr); }
  .portal-facts { grid-template-columns: 1fr; }
  .privacy-facts { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .portal-header-inner { align-items: flex-start; padding: 14px 0; flex-direction: column; gap: 10px; }
  .portal-nav { width: 100%; gap: 14px; overflow-x: auto; padding-bottom: 2px; }
  .portal-hero { padding-top: 16px; }
  .portal-tool-box { padding: 20px; }
  .portal-link-grid, .portal-directory { grid-template-columns: 1fr; }
  .tool-heading-row, .current-ip-strip { flex-direction: column; align-items: flex-start; }
}


/* ===== V0.5.2 Ratgeber ===== */
.guide-hub { padding-bottom: 64px; }
.guide-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.guide-card { display:block; padding:22px; border:1px solid var(--border); border-radius:18px; background:var(--panel); text-decoration:none; transition:transform .15s ease,border-color .15s ease,background .15s ease; }
.guide-card:hover { transform:translateY(-2px); border-color:#3c4552; background:var(--panel-2); }
.guide-card .guide-type { display:block; margin-bottom:8px; color:var(--accent); font-size:.76rem; font-weight:800; text-transform:uppercase; letter-spacing:.1em; }
.guide-card h2, .guide-card h3 { margin:0 0 6px; font-size:1.08rem; }
.guide-card p { margin:0; color:var(--muted); font-size:.9rem; line-height:1.55; }
.guide-meta { display:flex; gap:10px; flex-wrap:wrap; margin:14px 0 0; color:var(--muted); font-size:.78rem; }
.guide-check { margin:22px 0 36px; padding:22px; border:1px solid var(--border); border-radius:20px; background:linear-gradient(135deg, rgba(216,255,95,.05), rgba(18,21,26,.85)); }
.guide-check h2 { margin:0 0 6px; font-size:1.25rem; }
.guide-check p { margin:0 0 16px; color:var(--muted); }
.guide-check .current-ip-strip { margin:0 0 16px; }
.guide-actions { display:flex; gap:10px; flex-wrap:wrap; }
.guide-actions a { text-decoration:none; }
.guide-steps { counter-reset:step; display:grid; gap:12px; margin:22px 0; }
.guide-step { position:relative; display:grid; grid-template-columns:42px 1fr; gap:14px; padding:18px; border:1px solid var(--border); border-radius:16px; background:var(--panel); }
.guide-step::before { counter-increment:step; content:counter(step); display:grid; place-items:center; width:34px; height:34px; border-radius:11px; background:var(--accent); color:#111; font-weight:900; }
.guide-step h3 { margin:1px 0 5px; font-size:1rem; }
.guide-step p { margin:0; color:var(--muted); line-height:1.58; }
.guide-callout { margin:22px 0; padding:18px 20px; border-left:3px solid var(--accent); border-radius:0 14px 14px 0; background:rgba(216,255,95,.055); }
.guide-callout.warning { border-left-color:var(--warning); background:rgba(255,209,102,.055); }
.guide-callout.danger { border-left-color:var(--danger); background:rgba(255,141,141,.05); }
.guide-callout strong { display:block; margin-bottom:5px; }
.guide-callout p { margin:0; color:#cbd1d8; }
.guide-table { width:100%; border-collapse:collapse; margin:18px 0 28px; font-size:.91rem; }
.guide-table th,.guide-table td { padding:12px 10px; text-align:left; vertical-align:top; border-bottom:1px solid var(--border); }
.guide-table th { color:var(--muted); font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; }
.guide-table code { overflow-wrap:anywhere; }
.guide-source { margin-top:34px; padding-top:18px; border-top:1px solid var(--border); color:var(--muted); font-size:.8rem; }
.guide-source a { color:#cbd1d8; }
.guide-updated { color:var(--muted); font-size:.8rem; margin-top:10px; }
@media (max-width:760px) { .guide-grid { grid-template-columns:1fr; } .guide-step { grid-template-columns:36px 1fr; } .guide-table { display:block; overflow-x:auto; } }