.instructions-shell {
    min-height: 100vh;
    padding-bottom: 72px;
}

.instructions-header {
    height: 86px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

body.is-mini-app .instructions-shell {
    padding-top: 8px;
}

body.is-mini-app .instructions-header {
    display: none;
}

body.is-mini-app .guide-hero {
    margin-top: 0;
}

.brand-link {
    display: inline-flex;
    align-items: baseline;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 800;
    font-size: var(--type-big);
    letter-spacing: -0.06em;
}

.brand-link span {
    color: var(--accent-glow);
    font-size: inherit !important;
    line-height: 1;
}

.instructions-nav {
    display: flex;
    gap: 28px;
    font-size: var(--type-small);
    font-weight: 700;
}

.instructions-nav a,
.guide-back {
    display: inline-flex;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.16s ease, transform 0.16s ease;
}

.guide-back {
    margin-bottom: 22px;
    padding: 12px 16px;
    border: 1px solid rgba(125, 53, 19, 0.28);
    border-radius: 999px;
    background: rgba(125, 53, 19, 0.06);
    color: var(--text-primary);
    font-weight: 800;
    box-shadow: 0 12px 32px rgba(125, 53, 19, 0.08);
}

.instructions-nav a:hover,
.guide-back:hover {
    color: #fff;
    border-color: rgba(125, 53, 19, 0.58);
    transform: translateY(-1px);
}

.instructions-hero,
.guide-hero,
.guide-step {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
    overflow: hidden;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.guide-step:hover {
    border-color: rgba(125, 53, 19, 0.42);
    box-shadow: 0 30px 82px rgba(125, 53, 19, 0.08), 0 28px 70px rgba(0, 0, 0, 0.34);
}

.instructions-hero {
    margin-top: 54px;
    padding: 34px;
}

.instructions-hero h1,
.guide-hero h1 {
    font-size: var(--type-big);
    line-height: 1.12;
    letter-spacing: -0.065em;
    margin-bottom: 14px;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.guide-card {
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: #0b0b0e;
    color: var(--text-primary);
    text-decoration: none;
    transition: 0.16s ease;
}

.guide-card:hover {
    border-color: rgba(125, 53, 19, 0.5);
    box-shadow: 0 18px 48px rgba(125, 53, 19, 0.09);
    transform: translateY(-3px);
}

.guide-card:active {
    transform: translateY(0) scale(0.985);
}

.guide-card strong {
    display: block;
    font-size: var(--type-big);
    margin-bottom: 8px;
}

.guide-card span {
    color: var(--text-muted);
    font-size: var(--type-small);
}

.guide-hero {
    margin: 54px 0 28px;
    padding: 34px;
}

.guide-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.guide-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
}

.guide-step {
    display: grid;
    grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
    gap: 28px;
    padding: 28px;
    align-items: center;
}

.guide-step.no-media {
    grid-template-columns: 1fr;
}

.step-media {
    background: #08080a;
    border: 1px solid var(--border);
    border-radius: 20px;
    min-height: 220px;
    display: grid;
    place-items: center;
    overflow: hidden;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.guide-step:hover .step-media {
    border-color: rgba(125, 53, 19, 0.35);
    box-shadow: inset 0 0 0 1px rgba(125, 53, 19, 0.08);
}

.step-media img,
.step-media video {
    width: 100%;
    max-height: 560px;
    object-fit: contain;
    display: block;
}

.step-index {
    color: var(--text-muted);
    font-size: var(--type-small);
    font-weight: 800;
    margin-bottom: 12px;
}

.step-content h2 {
    font-size: var(--type-big);
    line-height: 1;
    margin-bottom: 14px;
}

.step-content p,
.step-content li {
    color: var(--text-secondary);
    font-size: var(--type-small);
}

.step-content a {
    color: var(--accent-glow);
}

.step-content a.btn-primary {
    color: #fff;
}

.step-content a.btn-primary:hover {
    color: #fff;
}

.step-content b {
    color: #fff;
    font-weight: 800;
}

.step-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.step-key-box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    margin-top: 16px;
}

.step-key-input {
    min-width: 0;
    height: 48px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    background:
        linear-gradient(135deg, rgba(125, 53, 19, 0.035), transparent 42%),
        #070708;
    color: var(--text-secondary);
    font-family: var(--font-tech);
    font-size: var(--type-small);
    overflow: hidden;
    text-overflow: ellipsis;
}

.step-key-copy {
    min-height: 48px;
    white-space: nowrap;
}

.platform-note {
    color: var(--text-muted);
    margin-top: 12px;
}

@media (max-width: 820px) {
    .instructions-header {
        align-items: flex-start;
        flex-direction: column;
        height: auto;
        padding: 22px 0;
    }

    .guide-grid,
    .guide-step {
        grid-template-columns: 1fr;
    }

    .instructions-hero,
    .guide-hero,
    .guide-step {
        padding: 22px;
    }

    .step-key-box {
        grid-template-columns: 1fr;
    }
}

.step-media video::-webkit-media-controls,
.step-media video::-webkit-media-controls-panel,
.step-media video::-webkit-media-controls-play-button,
.step-media video::-webkit-media-controls-timeline,
.step-media video::-webkit-media-controls-current-time-display,
.step-media video::-webkit-media-controls-time-remaining-display,
.step-media video::-webkit-media-controls-mute-button,
.step-media video::-webkit-media-controls-toggle-closed-captions-button,
.step-media video::-webkit-media-controls-volume-slider,
.step-media video::-webkit-media-controls-fullscreen-button {
    display: none !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.step-media video {
    pointer-events: none;
}

/* Mini App instruction pages use the same parchment glass layer as cabinet. */
body.is-mini-app .instructions-shell {
    width: 100%;
    max-width: 100%;
    padding: 10px 0 34px;
}

body.is-mini-app .guide-hero,
body.is-mini-app .guide-step {
    width: 100%;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border-color: rgba(82, 39, 15, 0.2);
    background:
        radial-gradient(circle at 16% 8%, rgba(255, 255, 255, 0.58), transparent 26%),
        radial-gradient(circle at 86% 18%, rgba(123, 58, 18, 0.1), transparent 36%),
        linear-gradient(145deg, rgba(255, 252, 243, 0.68), rgba(240, 216, 184, 0.44));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.64),
        inset 0 -22px 54px rgba(94, 45, 16, 0.055),
        0 22px 58px rgba(80, 39, 16, 0.16);
    backdrop-filter: blur(22px) saturate(1.18);
}

body.is-mini-app .guide-hero > *,
body.is-mini-app .guide-step > *,
body.is-mini-app .step-content,
body.is-mini-app .step-media {
    min-width: 0;
}

body.is-mini-app .guide-hero p,
body.is-mini-app .step-content p {
    max-width: min(100%, 280px) !important;
    overflow-wrap: anywhere;
}

body.is-mini-app .guide-hero::after,
body.is-mini-app .guide-step::after {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    border-radius: inherit;
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.38), transparent 34%),
        radial-gradient(circle at 50% 120%, rgba(92, 45, 18, 0.08), transparent 42%);
    opacity: 0.86;
    pointer-events: none;
}

body.is-mini-app .guide-hero::before {
    content: "";
    position: absolute;
    right: -8px;
    top: -18px;
    width: 126px;
    height: 126px;
    background: url("../brand/neura-tools.webp") center / contain no-repeat;
    opacity: 0.18;
    transform: rotate(7deg);
    pointer-events: none;
}

body.is-mini-app .guide-step:nth-child(2n)::before {
    content: "";
    position: absolute;
    right: 12px;
    top: 12px;
    width: 54px;
    height: 54px;
    background: url("../brand/neura-network.webp") center / contain no-repeat;
    opacity: 0.16;
    pointer-events: none;
}

body.is-mini-app .guide-back {
    border-color: rgba(82, 39, 15, 0.24);
    background: rgba(255, 248, 236, 0.56);
    color: var(--text-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

body.is-mini-app .guide-back:hover {
    border-color: rgba(125, 53, 19, 0.42);
    color: var(--text-primary);
}

body.is-mini-app .guide-hero h1,
body.is-mini-app .guide-step h2,
body.is-mini-app .step-index,
body.is-mini-app .step-content b {
    color: var(--text-primary);
}

body.is-mini-app .guide-hero p,
body.is-mini-app .step-content p,
body.is-mini-app .step-content li {
    color: var(--text-secondary);
}

body.is-mini-app .step-content a {
    color: #7d3513;
}

body.is-mini-app .step-content a.btn-primary {
    color: #fff7eb;
}

body.is-mini-app .step-media,
body.is-mini-app .step-key-input {
    background: rgba(255, 251, 241, 0.58);
    border-color: rgba(82, 39, 15, 0.18);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.52),
        inset 0 -18px 34px rgba(89, 43, 17, 0.035);
}

/* Unified parchment styling for public instruction pages. */
.instructions-hero,
.guide-hero,
.guide-step {
    position: relative;
    isolation: isolate;
    border-color: rgba(82, 39, 15, 0.2);
    background:
        radial-gradient(circle at 16% 8%, rgba(255, 255, 255, 0.58), transparent 26%),
        radial-gradient(circle at 86% 18%, rgba(123, 58, 18, 0.1), transparent 36%),
        linear-gradient(145deg, rgba(255, 252, 243, 0.68), rgba(240, 216, 184, 0.44));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.64),
        inset 0 -22px 54px rgba(94, 45, 16, 0.055),
        0 22px 58px rgba(80, 39, 16, 0.16);
    backdrop-filter: blur(22px) saturate(1.18);
}

.instructions-hero::after,
.guide-hero::after,
.guide-step::after {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    border-radius: inherit;
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.38), transparent 34%),
        radial-gradient(circle at 50% 120%, rgba(92, 45, 18, 0.08), transparent 42%);
    opacity: 0.86;
    pointer-events: none;
}

.guide-step:hover,
.guide-card:hover {
    border-color: rgba(82, 39, 15, 0.34);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        inset 0 -22px 54px rgba(94, 45, 16, 0.07),
        0 30px 68px rgba(80, 39, 16, 0.2);
}

.guide-card,
.step-media,
.step-key-input {
    border-color: rgba(82, 39, 15, 0.26);
    background:
        linear-gradient(145deg, rgba(255, 242, 217, 0.34), transparent 38%),
        rgba(218, 184, 143, 0.5);
    color: var(--text-primary);
    box-shadow:
        inset 0 1px 0 rgba(255, 246, 226, 0.42),
        inset 0 -14px 30px rgba(82, 39, 15, 0.045),
        0 8px 20px rgba(82, 39, 15, 0.055);
}

.guide-back {
    border-color: rgba(82, 39, 15, 0.24);
    background: rgba(255, 248, 236, 0.56);
    color: var(--text-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.instructions-nav a:hover,
.guide-back:hover {
    border-color: rgba(125, 53, 19, 0.42);
    color: var(--text-primary);
}

.guide-hero h1,
.guide-step h2,
.step-index,
.step-content b {
    color: var(--text-primary);
}

.guide-hero p,
.step-content p,
.step-content li,
.guide-card span {
    color: var(--text-secondary);
}

.step-content a {
    color: #7d3513;
}

.step-content a.btn-primary {
    color: #fff7eb;
}