.akz-page {
    min-height: 100vh;
    padding: 32px 20px 72px;
    background: linear-gradient(180deg, #f5f8f7 0%, #edf3f0 48%, #eef3f6 100%);
    color: #17304a;
}

.akz-hero,
.akz-stage {
    width: min(1180px, 100%);
    margin: 0 auto;
}

/* ── Hero ─────────────────────────────────────────────── */

.akz-hero {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    align-items: center;
    padding: 32px;
    border: 1px solid #d6e4dd;
    border-radius: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f4fbf6 100%);
    box-shadow: 0 18px 36px rgba(18, 43, 67, 0.08);
}

.akz-hero-copy {
    flex: 1 1 0;
    min-width: 0;
}

.akz-kicker {
    margin: 0 0 10px;
    font: 900 0.76rem/1.2 "Segoe UI", Arial, sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #2f6d4a;
}

.akz-hero h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.05;
    color: #102b43;
}

.akz-lead {
    max-width: 640px;
    margin: 14px 0 0;
    color: #496273;
    font-size: 1.04rem;
    line-height: 1.65;
}

.akz-hero-panel {
    flex-shrink: 0;
    width: 300px;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid #dbe8f0;
    background: linear-gradient(160deg, #f4f9fd 0%, #ffffff 100%);
}

.akz-hero-panel-label {
    margin: 0 0 12px;
    font: 900 0.72rem/1.2 "Segoe UI", Arial, sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #4d6b82;
}

.akz-hero-classes {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 6px;
}

.akz-hero-classes li {
    display: flex;
    align-items: center;
    gap: 8px;
    font: 750 0.83rem/1.3 "Segoe UI", Arial, sans-serif;
    color: #283f53;
}

.akz-class-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    font: 900 0.7rem/1 "Segoe UI", Arial, sans-serif;
}

.akz-class-dot.akz-dot-k0 { background: #1e3a5f; color: #e8f0fc; }
.akz-class-dot.akz-dot-k1 { background: #065f46; color: #d1fae5; }
.akz-class-dot.akz-dot-k2 { background: #0c4a6e; color: #e0f2fe; }
.akz-class-dot.akz-dot-k3 { background: #9a3412; color: #ffedd5; }
.akz-class-dot.akz-dot-k4 { background: #166534; color: #dcfce7; }
.akz-class-dot.akz-dot-k5 { background: #78350f; color: #fef3c7; }
.akz-class-dot.akz-dot-k6 { background: #9f1239; color: #fecdd3; }
.akz-class-dot.akz-dot-k7 { background: #4c1d95; color: #ede9fe; }
.akz-class-dot.akz-dot-k8 { background: #3730a3; color: #e0e7ff; }
.akz-class-dot.akz-dot-k9 { background: #6b21a8; color: #f3e8ff; }

.akz-hero-panel-note {
    margin: 12px 0 0;
    font: 700 0.76rem/1.3 "Segoe UI", Arial, sans-serif;
    color: #6b8799;
    text-align: center;
}

/* ── Stage shell ──────────────────────────────────────── */

.akz-stage {
    margin-top: 20px;
    padding: 24px;
    border: 1px solid #d8e2ea;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.92);
}

.akz-topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.akz-status-chip,
.akz-back-link {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 7px 12px;
    border-radius: 999px;
    font: 850 0.84rem/1 "Segoe UI", Arial, sans-serif;
}

.akz-status-chip {
    background: #e6f0ea;
    color: #2f6c48;
}

.akz-back-link {
    background: #edf3f8;
    color: #35546f;
    text-decoration: none;
}

/* ── Path ─────────────────────────────────────────────── */

.akz-path {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.akz-path--a,
.akz-path--b {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: 16px;
}

.akz-path--a { background: #eef8f1; border: 1px solid #c5e3cf; }
.akz-path--b { background: #eff4fb; border: 1px solid #c5d8ec; }

.akz-path-badge {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    font: 900 0.9rem/1 "Segoe UI", Arial, sans-serif;
    color: #ffffff;
}

.akz-path-badge--a { background: #2f7a50; }
.akz-path-badge--b { background: #2563a8; }

.akz-path--a h2,
.akz-path--b h2 {
    margin: 0 0 4px;
    font-size: 1rem;
    color: #17304a;
}

.akz-path--a p,
.akz-path--b p {
    margin: 0;
    font-size: 0.88rem;
    color: #52687a;
    line-height: 1.45;
}

/* ── Reference grid ───────────────────────────────────── */

.akz-reference-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.akz-reference-card {
    padding: 16px;
    border: 1px solid #dbe5ed;
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f7fbf9 100%);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.akz-reference-card h2 {
    margin: 0 0 6px;
    font-size: 0.95rem;
    color: #17304a;
}

.akz-reference-card p {
    margin: 0;
    font-size: 0.88rem;
    color: #52687a;
    line-height: 1.5;
}

.akz-reference-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 8px;
    padding: 3px 8px 3px 4px;
    border-radius: 8px;
    font: 850 0.72rem/1.2 "Segoe UI", Arial, sans-serif;
    letter-spacing: 0.06em;
}

.akz-reference-badge-classes {
    display: flex;
    gap: 3px;
}

.akz-reference-badge-classes span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    font: 900 0.64rem/1 "Segoe UI", Arial, sans-serif;
}

/* ── Sections ─────────────────────────────────────────── */

.akz-section {
    border-radius: 20px;
    padding: 24px;
    margin-top: 20px;
}

.akz-section--a {
    background: linear-gradient(180deg, #f8fdfc 0%, #f2faf5 100%);
    border: 1px solid #c8e6d0;
}

.akz-section--b {
    background: linear-gradient(180deg, #f7fbff 0%, #eef4fa 100%);
    border: 1px solid #c5d8ec;
}

.akz-section-head {
    display: grid;
    gap: 6px;
    margin-bottom: 18px;
}

.akz-section-kicker {
    margin: 0;
    font: 900 0.72rem/1.2 "Segoe UI", Arial, sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #4d6b82;
}

.akz-section-head h2 {
    margin: 0;
    font-size: 1.45rem;
    color: #17304a;
}

.akz-section-desc {
    margin: 0;
    color: #52687a;
    font-size: 0.95rem;
    line-height: 1.5;
}

.akz-card-list {
    display: grid;
    gap: 14px;
}

/* ── Concept card (Part A) ────────────────────────────── */

.akz-concept-card {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid #dbe5ed;
    border-radius: 16px;
    border-left: 4px solid #97c8ae;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.akz-concept-card.is-complete {
    border-left-color: #4ade80;
    background: linear-gradient(180deg, #ffffff 0%, #f5fbf6 100%);
}

.akz-concept-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.akz-concept-head h3 {
    margin: 0;
    font-size: 1rem;
    color: #17304a;
}

.akz-concept-state {
    flex-shrink: 0;
    padding: 5px 10px;
    border-radius: 999px;
    background: #edf6f1;
    color: #2f6c48;
    font: 850 0.76rem/1 "Segoe UI", Arial, sans-serif;
}

.akz-concept-text {
    margin: 0;
    color: #405b70;
    line-height: 1.55;
}

.akz-option-list {
    display: grid;
    gap: 8px;
}

.akz-option-btn {
    display: block;
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #d4e2eb;
    border-radius: 12px;
    background: #f8fcff;
    color: #17304a;
    font: 750 0.9rem/1.4 "Segoe UI", Arial, sans-serif;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.akz-option-btn:hover:not(:disabled) {
    border-color: #7ab4d6;
    background: #f0f8ff;
}

.akz-option-btn.is-correct {
    background: #ecfdf5;
    border-color: #4ade80;
    color: #166534;
}

.akz-option-btn.is-wrong {
    background: #fff1f2;
    border-color: #fda4af;
    color: #be123c;
}

.akz-option-btn:disabled {
    cursor: default;
}

.akz-concept-feedback {
    margin: 0;
    padding: 11px 14px;
    border-radius: 12px;
    font: 750 0.9rem/1.5 "Segoe UI", Arial, sans-serif;
}

.akz-concept-feedback.is-success { background: #edf8f0; color: #2d6c46; }
.akz-concept-feedback.is-error   { background: #fff4e8; color: #86551c; }

/* ── Classify card (Part B) ───────────────────────────── */

.akz-classify-card {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid #dbe5ed;
    border-radius: 16px;
    border-left: 4px solid #93c5fd;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.akz-classify-card.is-complete {
    border-left-color: #4ade80;
    background: linear-gradient(180deg, #ffffff 0%, #f5fbf6 100%);
}

.akz-classify-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.akz-konto-badge {
    display: inline-flex;
    align-items: center;
    margin-bottom: 5px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #e2eaf1;
    color: #35546f;
    font: 850 0.7rem/1 "Segoe UI", Arial, sans-serif;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.akz-classify-head h3 {
    margin: 0 0 4px;
    font-size: 1.05rem;
    color: #17304a;
    letter-spacing: -0.01em;
}

.akz-classify-head p {
    margin: 0;
    color: #52687a;
    font-size: 0.9rem;
    line-height: 1.5;
}

.akz-classify-state {
    flex-shrink: 0;
    padding: 5px 10px;
    border-radius: 999px;
    background: #edf6f1;
    color: #2f6c48;
    font: 850 0.76rem/1 "Segoe UI", Arial, sans-serif;
}

.akz-classify-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.akz-classify-btn {
    display: grid;
    align-content: center;
    min-height: 48px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1.5px solid transparent;
    font: 750 0.86rem/1.3 "Segoe UI", Arial, sans-serif;
    text-align: left;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s;
}

.akz-classify-btn:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.akz-classify-btn.akz-class-k0 { background: #eff6ff; border-color: #93c5fd; color: #1e40af; }
.akz-classify-btn.akz-class-k1 { background: #f0fdfa; border-color: #5eead4; color: #134e4a; }
.akz-classify-btn.akz-class-k2 { background: #f0f9ff; border-color: #7dd3fc; color: #0c4a6e; }
.akz-classify-btn.akz-class-k3 { background: #fff7ed; border-color: #fdba74; color: #9a3412; }
.akz-classify-btn.akz-class-k4 { background: #f0fdf4; border-color: #86efac; color: #15803d; }
.akz-classify-btn.akz-class-k5 { background: #fffbeb; border-color: #fcd34d; color: #78350f; }
.akz-classify-btn.akz-class-k6 { background: #fff1f2; border-color: #fda4af; color: #be123c; }
.akz-classify-btn.akz-class-k7 { background: #fdf4ff; border-color: #d8b4fe; color: #4c1d95; }
.akz-classify-btn.akz-class-k8 { background: #eef2ff; border-color: #a5b4fc; color: #3730a3; }
.akz-classify-btn.akz-class-k9 { background: #faf5ff; border-color: #c084fc; color: #5b21b6; }

.akz-classify-btn.is-correct {
    outline: 2px solid #16a34a;
    border-color: #16a34a;
    background: #f0fdf4;
    color: #166534;
}

.akz-classify-btn.is-wrong {
    border-color: #dc2626;
    background: #fef2f2;
    color: #991b1b;
}

.akz-classify-btn:disabled {
    cursor: default;
    opacity: 0.85;
}

.akz-classify-feedback {
    margin: 0;
    padding: 11px 14px;
    border-radius: 12px;
    font: 750 0.9rem/1.5 "Segoe UI", Arial, sans-serif;
}

.akz-classify-feedback.is-success { background: #edf8f0; color: #2d6c46; }
.akz-classify-feedback.is-error   { background: #fff4e8; color: #86551c; }

/* ── Summary card ─────────────────────────────────────── */

.akz-summary-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    margin-top: 18px;
    padding: 18px;
    border: 1px solid #dbe5ed;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.04);
}

.akz-summary-kicker {
    margin: 0 0 6px;
    font: 900 0.72rem/1.2 "Segoe UI", Arial, sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #4d6b82;
}

.akz-summary-card h2 {
    margin: 0 0 4px;
    color: #17304a;
}

.akz-summary-card p {
    margin: 0;
    color: #52687a;
    font-size: 0.95rem;
}

.akz-cta-link {
    display: inline-flex;
    align-items: center;
    margin-top: 14px;
    padding: 11px 18px;
    border-radius: 12px;
    background: #193147;
    color: #fff;
    font: 800 0.92rem/1 "Segoe UI", Arial, sans-serif;
    text-decoration: none;
    transition: background 0.18s, transform 0.18s;
}

.akz-cta-link:hover {
    background: #254863;
    transform: translateY(-1px);
}

.akz-reset-btn {
    flex-shrink: 0;
    min-height: 40px;
    padding: 9px 16px;
    border: 0;
    border-radius: 12px;
    background: #eef2f6;
    color: #35546f;
    font: 850 0.9rem/1 "Segoe UI", Arial, sans-serif;
    cursor: pointer;
}

.akz-reset-btn:hover { background: #e2eaf2; }

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 860px) {
    .akz-hero {
        flex-direction: column;
        align-items: stretch;
    }

    .akz-hero-panel {
        width: 100%;
    }

    .akz-hero-classes {
        grid-template-columns: 1fr 1fr;
    }

    .akz-path,
    .akz-reference-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .akz-page {
        padding: 20px 12px 52px;
    }

    .akz-hero,
    .akz-stage {
        padding: 18px;
        border-radius: 20px;
    }

    .akz-classify-grid {
        grid-template-columns: 1fr;
    }

    .akz-hero-classes {
        grid-template-columns: 1fr;
    }

    .akz-summary-card {
        flex-direction: column;
        align-items: flex-start;
    }
}