:root {
    --bg: #eef2f7;
    --bg2: #f8fafc;
    --card: rgba(255,255,255,.92);
    --text: #101828;
    --muted: #667085;
    --line: #d0d5dd;
    --soft: #f2f4f7;
    --accent: #155eef;
    --accent-dark: #004eeb;
    --accent2: #0e9384;
    --danger: #b42318;
    --warning: #b54708;
    --shadow: 0 18px 55px rgba(16,24,40,.12);
    --radius: 22px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 0%, rgba(21,94,239,.14), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(14,147,132,.12), transparent 25%),
        linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    min-height: 100vh;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(17,24,39,.92);
    color: #fff;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 230px; }
.brand span { display: block; color: #cbd5e1; font-size: 13px; margin-top: 2px; }

.logo-fallback {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #155eef, #0e9384);
    font-weight: 900;
    letter-spacing: -.04em;
    box-shadow: 0 10px 24px rgba(21,94,239,.35);
}

.topbar nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.topbar a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    padding: 9px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,.06);
}

.topbar a:hover { background: rgba(255,255,255,.13); }

.container {
    max-width: 1240px;
    margin: 28px auto;
    padding: 0 20px;
}

.hero {
    background: linear-gradient(135deg, rgba(21,94,239,.98), rgba(14,147,132,.94));
    color: #fff;
    border-radius: 30px;
    padding: clamp(24px, 4vw, 44px);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
    margin-bottom: 20px;
}

.hero::after {
    content: "";
    position: absolute;
    inset: -30%;
    background: radial-gradient(circle at 70% 20%, rgba(255,255,255,.20), transparent 18%);
    pointer-events: none;
}

.hero h1 {
    font-size: clamp(30px, 5vw, 54px);
    line-height: 1.02;
    margin: 0 0 14px;
    letter-spacing: -.05em;
    max-width: 860px;
}

.hero p {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255,255,255,.88);
    max-width: 850px;
    margin: 0;
}

.card {
    background: var(--card);
    border: 1px solid rgba(208,213,221,.85);
    border-radius: var(--radius);
    padding: clamp(18px, 2.4vw, 26px);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
    gap: 20px;
    align-items: start;
}

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

@media (max-width: 980px) {
    .grid, .grid.equal { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; flex-direction: column; }
    .topbar nav { justify-content: flex-start; }
}

@media (max-width: 560px) {
    .container { padding: 0 12px; margin-top: 14px; }
    .hero { border-radius: 22px; }
    .card { border-radius: 18px; }
    .form-row { grid-template-columns: 1fr !important; }
    .topbar { padding: 12px; }
    .topbar a { font-size: 13px; padding: 8px 10px; }
}

h1, h2, h3 { margin-top: 0; letter-spacing: -.025em; }
h2 { font-size: clamp(22px, 3vw, 30px); }
h3 { font-size: 18px; margin-bottom: 10px; }

.muted { color: var(--muted); font-size: 14px; }
.small { font-size: 13px; }

.uploadbox {
    border: 2px dashed #98a2b3;
    border-radius: 22px;
    padding: clamp(24px, 4vw, 42px);
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    text-align: center;
    transition: .2s ease;
}

.uploadbox:hover {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 3px rgba(21,94,239,.06);
}

input[type=file] { margin: 18px 0; max-width: 100%; }

label {
    display: block;
    font-weight: 700;
    margin-bottom: 7px;
}

input[type=text],
input[type=number],
select,
input[type=range] {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
    color: var(--text);
    font-size: 15px;
}

input[type=range] { padding: 10px 0; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.form-full { margin-bottom: 14px; }

button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 13px;
    background: var(--accent);
    color: #fff;
    padding: 12px 17px;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
    box-shadow: 0 10px 20px rgba(21,94,239,.20);
}

button:hover, .btn:hover { background: var(--accent-dark); }
.btn.secondary { background: #344054; box-shadow: none; }
.btn.good { background: var(--accent2); box-shadow: 0 10px 20px rgba(14,147,132,.20); }
.btn.danger { background: var(--danger); }
.btn.light { background: #fff; color: var(--accent); border: 1px solid var(--line); box-shadow: none; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.image-frame {
    width: 100%;
    height: clamp(260px, 48vh, 560px);
    border-radius: 20px;
    border: 1px solid var(--line);
    background:
        linear-gradient(45deg, #f2f4f7 25%, transparent 25%),
        linear-gradient(-45deg, #f2f4f7 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f2f4f7 75%),
        linear-gradient(-45deg, transparent 75%, #f2f4f7 75%);
    background-size: 24px 24px;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-frame.result {
    height: clamp(260px, 44vh, 520px);
}

.preview {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 860px) {
    .compare-grid { grid-template-columns: 1fr; }
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th,
.table td {
    border-bottom: 1px solid var(--line);
    padding: 10px 8px;
    text-align: left;
    vertical-align: top;
}

.table th { color: #344054; width: 38%; }

.badge {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.ok { background: #dcfce7; color: #166534; }
.no { background: #fee2e2; color: #991b1b; }
.warn { background: #fef3c7; color: #92400e; }

.notice, .error, .success {
    padding: 13px 15px;
    border-radius: 15px;
    margin: 12px 0;
}

.notice { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e3a8a; }
.error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.success { background: #ecfdf5; border: 1px solid #bbf7d0; color: #065f46; }

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 16px 0;
}

.kpi {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px;
}

.kpi strong {
    display: block;
    font-size: 20px;
    margin-top: 4px;
}

@media (max-width: 880px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
    .kpi-grid { grid-template-columns: 1fr; }
}

.footer {
    max-width: 1240px;
    margin: 30px auto;
    padding: 20px;
    color: var(--muted);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.footer a { color: var(--accent); }


.live-canvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
}

.live-tools {
    display: grid;
    gap: 12px;
}

.range-line {
    display: grid;
    grid-template-columns: 150px 1fr 58px;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.range-line label {
    margin: 0;
}

.range-value {
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--muted);
    font-weight: 700;
}

.checkbox-card {
    display: grid;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
}

@media (max-width: 560px) {
    .range-line {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .range-value {
        text-align: left;
    }
}


.scale-tools {
    display: grid;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px;
    margin-bottom: 14px;
}

.quick-scale {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.quick-scale button {
    min-height: 34px;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 13px;
    box-shadow: none;
    background: #f2f4f7;
    color: #344054;
    border: 1px solid var(--line);
}

.quick-scale button:hover {
    background: #e4e7ec;
}

.range-line.three {
    grid-template-columns: 150px 1fr 76px;
}

.size-mode-hint {
    color: var(--muted);
    font-size: 13px;
    margin-top: -6px;
}


.client-convert-status {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    font-size: 14px;
    display: none;
}

.client-convert-status.show {
    display: block;
}

.client-convert-status.ok {
    background: #ecfdf5;
    border-color: #bbf7d0;
    color: #065f46;
}

.client-convert-status.error {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}


.setup-result {
    margin: 16px 0;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: #fff;
}

.setup-result h3 {
    margin: 0 0 8px;
}

.setup-result.success-box {
    background: #ecfdf5;
    border-color: #bbf7d0;
    color: #064e3b;
}

.setup-result.error-box {
    background: #fef2f2;
    border-color: #fecaca;
    color: #7f1d1d;
}

.setup-result.notice-box {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e3a8a;
}

.setup-meta {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 14px;
}

.setup-meta th,
.setup-meta td {
    border-top: 1px solid rgba(0,0,0,.08);
    padding: 8px 6px;
    text-align: left;
    vertical-align: top;
}

.setup-meta th {
    width: 220px;
}

.setup-progress {
    display: none;
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    font-weight: 700;
}

.setup-progress.show {
    display: block;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(154,52,18,.25);
    border-top-color: #9a3412;
    border-radius: 50%;
    animation: spin .8s linear infinite;
    vertical-align: -3px;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

button[disabled] {
    opacity: .65;
    cursor: wait;
}


.dismissible-setup {
    position: relative;
    padding-right: 54px;
}

.dismiss-setup-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 34px;
    height: 34px;
    min-height: 34px;
    padding: 0;
    border-radius: 999px;
    background: rgba(16,24,40,.08);
    color: inherit;
    box-shadow: none;
    border: 1px solid rgba(16,24,40,.12);
    font-size: 20px;
    line-height: 1;
}

.dismiss-setup-btn:hover {
    background: rgba(16,24,40,.15);
}

.setup-result.sticky-message {
    border-width: 2px;
    box-shadow: 0 18px 45px rgba(16,24,40,.14);
}

.setup-result .message-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

/* v1.0.13 Ergänzungen */

.setup-result {
    margin: 16px 0;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: #fff;
}
.setup-result h3 { margin: 0 0 8px; }
.setup-result.success-box { background: #ecfdf5; border-color: #bbf7d0; color: #064e3b; }
.setup-result.error-box { background: #fef2f2; border-color: #fecaca; color: #7f1d1d; }
.setup-result.notice-box { background: #eff6ff; border-color: #bfdbfe; color: #1e3a8a; }
.setup-result.warning-box { background: #fffbeb; border-color: #fde68a; color: #78350f; }
.setup-result.sticky-message { border-width: 2px; box-shadow: 0 18px 45px rgba(16,24,40,.14); }
.dismissible-setup { position: relative; padding-right: 54px; }
.dismiss-setup-btn {
    position: absolute; top: 12px; right: 12px;
    width: 34px; height: 34px; min-height: 34px; padding: 0;
    border-radius: 999px; background: rgba(16,24,40,.08); color: inherit;
    box-shadow: none; border: 1px solid rgba(16,24,40,.12);
    font-size: 20px; line-height: 1;
}
.dismiss-setup-btn:hover { background: rgba(16,24,40,.15); }
.setup-meta { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; }
.setup-meta th, .setup-meta td {
    border-top: 1px solid rgba(0,0,0,.08);
    padding: 8px 6px; text-align: left; vertical-align: top;
}
.setup-meta th { width: 220px; }
.setup-result .message-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.setup-progress {
    display: none; margin-top: 12px; padding: 12px 14px;
    border-radius: 14px; background: #fff7ed; border: 1px solid #fed7aa;
    color: #9a3412; font-weight: 700;
}
.setup-progress.show { display: block; }
.spinner {
    display: inline-block; width: 16px; height: 16px;
    border: 2px solid rgba(154,52,18,.25); border-top-color: #9a3412;
    border-radius: 50%; animation: spin .8s linear infinite;
    vertical-align: -3px; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
button[disabled] { opacity: .65; cursor: not-allowed; }

.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.settings-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
.settings-panel h3{margin:0 0 14px}
@media(max-width:760px){.settings-grid{grid-template-columns:1fr}}
.output-estimate{margin-top:8px;padding:10px 12px;border-radius:12px;background:#f8fafc;border:1px solid var(--line);font-size:13px;color:var(--muted)}
.upscale-options{display:grid;gap:8px}
.upscale-option{display:grid;grid-template-columns:22px 1fr;gap:9px;align-items:start;border:1px solid var(--line);border-radius:13px;padding:10px;background:#fff}
.upscale-option strong{display:block;margin-bottom:2px}
.upscale-option span{color:var(--muted);font-size:13px}
.live-mini-meta{margin-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.live-mini-meta div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 10px;font-size:13px}
.live-mini-meta strong{display:block;color:var(--text);margin-top:2px}
@media(max-width:520px){.live-mini-meta{grid-template-columns:1fr}}


/* v1.0.16 */
.edit-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(420px, .88fr);
}

@media (max-width: 980px) {
    .edit-layout {
        grid-template-columns: 1fr;
    }
}

.image-frame {
    height: clamp(300px, 56vh, 660px);
}

.image-frame.result {
    height: clamp(280px, 48vh, 560px);
}

.settings-shell {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,250,252,.95));
    padding: 18px;
}

.settings-shell .settings-grid {
    gap: 22px;
}

.settings-shell .settings-panel {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.settings-shell .settings-panel + .settings-panel {
    border-left: 1px solid var(--line);
    padding-left: 22px;
}

.settings-shell .settings-panel h3 {
    margin-bottom: 14px;
}

@media (max-width: 760px) {
    .settings-shell {
        padding: 14px;
    }

    .settings-shell .settings-panel + .settings-panel {
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-left: 0;
        padding-top: 18px;
    }
}

/* v1.0.17 Korrekturen */
.edit-layout {
    grid-template-columns: minmax(0, 1.18fr) minmax(430px, .82fr);
}

.optimization-card {
    padding: clamp(18px, 2.4vw, 26px);
}

.optimization-frame {
    border: 2px solid rgba(21,94,239,.18);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.96));
    padding: 20px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.65);
}

.optimization-frame > .settings-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.optimization-frame .settings-panel {
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
    min-width: 0;
}

.optimization-frame .settings-panel + .settings-panel {
    border-left: 1px solid var(--line) !important;
    padding-left: 24px !important;
}

@media (max-width: 900px) {
    .edit-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .optimization-frame {
        padding: 14px;
    }

    .optimization-frame > .settings-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .optimization-frame .settings-panel + .settings-panel {
        border-left: 0 !important;
        border-top: 1px solid var(--line) !important;
        padding-left: 0 !important;
        padding-top: 18px !important;
    }
}

.live-mini-meta {
    grid-template-columns: 1fr !important;
}

.live-mini-meta div {
    min-width: 0;
    overflow: hidden;
}

.live-mini-meta strong {
    overflow-wrap: anywhere;
    word-break: break-word;
    line-height: 1.25;
}

.image-frame {
    height: clamp(330px, 60vh, 700px);
}

.range-line.three {
    grid-template-columns: 145px minmax(0,1fr) 70px;
}

.parameter-error {
    display: none;
    margin: 0 0 14px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #991b1b;
    font-weight: 700;
}

.parameter-error.show {
    display: block;
}


/* v1.0.18: breiter Optimierungsbereich */
.container {
    max-width: 1560px;
}

.edit-layout {
    grid-template-columns: minmax(360px, .62fr) minmax(780px, 1.38fr) !important;
    gap: 24px;
}

.optimization-card {
    min-width: 0;
}

.optimization-frame {
    padding: 22px;
}

.optimization-frame > .settings-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    gap: 30px;
}

.optimization-frame .settings-panel + .settings-panel {
    padding-left: 30px !important;
}

.range-line {
    grid-template-columns: 135px minmax(0, 1fr) 64px;
}

.range-line.three {
    grid-template-columns: 135px minmax(0, 1fr) 74px;
}

.image-frame {
    height: clamp(320px, 54vh, 680px);
}

@media (max-width: 1280px) {
    .edit-layout {
        grid-template-columns: 1fr !important;
    }

    .optimization-frame > .settings-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    }
}

@media (max-width: 860px) {
    .optimization-frame > .settings-grid {
        grid-template-columns: 1fr !important;
    }

    .optimization-frame .settings-panel + .settings-panel {
        border-left: 0 !important;
        border-top: 1px solid var(--line) !important;
        padding-left: 0 !important;
        padding-top: 20px !important;
    }
}


/* v1.0.27 Fortschrittsanzeige */
.progress-box {
    margin: 18px 0 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.98));
}

.progress-header,
.progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.progress-header {
    margin-bottom: 10px;
}

.progress-meta {
    margin-top: 10px;
    font-size: .95rem;
}

.progress-bar-track {
    width: 100%;
    height: 16px;
    background: rgba(148, 163, 184, .22);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, .25);
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, #2563eb, #22c55e);
    transition: width .25s ease;
}

.is-processing .actions button,
.is-processing .actions a.btn.secondary {
    opacity: .75;
    pointer-events: none;
}

@media (max-width: 700px) {
    .progress-header,
    .progress-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}


/* v1.0.29 Entrauschen */
.checkbox-card select {
    width: 100%;
}


/* v1.0.31 Vorschau-Zoom */
.zoom-frame {
    position: relative;
    touch-action: none;
    cursor: grab;
    user-select: none;
}

.zoom-frame.is-dragging {
    cursor: grabbing;
}

.zoom-frame .live-canvas {
    transform-origin: center center;
    transition: transform .08s linear;
    will-change: transform;
}

.preview-zoom-toolbar {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.preview-zoom-info {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

#previewZoomValue {
    min-width: 60px;
    display: inline-block;
    font-weight: 800;
}

@media (max-width: 700px) {
    .preview-zoom-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
}