/* 24racks Cloud — tutorials: article layout, steps, copy block, TOC sidebar */

/* ── Tutorial hero — theme-aware (paper/white in light, ink in dark) ── */
.tutorial-hero {
    margin-top: calc(-1 * var(--header-height));
    padding: calc(72px + var(--header-height)) 0 60px;
    background: var(--paper, #F7F3EA);
    color: var(--text-1);
    position: relative;
    overflow: hidden;
}

:root[data-theme="dark"] .tutorial-hero,
.dark .tutorial-hero {
    background: var(--ink, #0D1117);
    color: #fff;
}

/* Subtle radial glow behind the title */
.tutorial-hero::before {
    content: '';
    position: absolute;
    top: -120px;
    left: -80px;
    width: 700px;
    height: 600px;
    background: radial-gradient(ellipse 60% 55% at 30% 40%, rgba(59,130,246,.07) 0%, transparent 70%);
    pointer-events: none;
}

:root[data-theme="dark"] .tutorial-hero::before {
    background: radial-gradient(ellipse 60% 55% at 30% 40%, rgba(59,130,246,.18) 0%, transparent 70%);
}

.tutorial-hero .breadcrumb {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 1.75rem;
}

.tutorial-hero .breadcrumb a { color: inherit; text-decoration: none; transition: color var(--transition-base, .16s ease); }
.tutorial-hero .breadcrumb a:hover { color: var(--text-1); }
.tutorial-hero .breadcrumb span { color: var(--border-dim); }

:root[data-theme="dark"] .tutorial-hero .breadcrumb { color: rgba(255,255,255,.38); } 
.dark .tutorial-hero .breadcrumb { color: rgba(255,255,255,.38); }
:root[data-theme="dark"] .tutorial-hero .breadcrumb a:hover { color: rgba(255,255,255,.8); }
:root[data-theme="dark"] .tutorial-hero .breadcrumb span { color: rgba(255,255,255,.18); }

.tutorial-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .6rem;
    margin-bottom: 1.5rem;
}

.tut-badge {
    display: inline-flex;
    align-items: center;
    padding: .28rem .7rem;
    border-radius: var(--radius-pill, 999px);
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.tut-badge--gaming { background: rgba(59,130,246,.1); color: #3b82f6; border: 1px solid rgba(59,130,246,.2); }
.tut-badge--time   { background: rgba(0,0,0,.05); color: var(--muted, #6F6A60); border: 1px solid rgba(0,0,0,.08); gap: .35rem; }

:root[data-theme="dark"] .tut-badge--gaming { background: rgba(59,130,246,.18); color: #93c5fd; border: 1px solid rgba(147,197,253,.25); }
:root[data-theme="dark"] .tut-badge--time   { background: rgba(255,255,255,.05); color: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.1); }

.tutorial-hero h1 {
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    font-weight: 920;
    line-height: 1.02;
    letter-spacing: -.036em;
    color: var(--text-1);
}

:root[data-theme="dark"] .tutorial-hero h1 { color: #fff; }

.hero-accent {
    color: var(--brand, #3b82f6);
}

.tutorial-hero > .main-container > p,
.tutorial-hero p.hero-sub {
    margin: 1.25rem 0 0;
    max-width: 560px;
    color: var(--text-2);
    font-size: 1.05rem;
    line-height: 1.65;
}

:root[data-theme="dark"] .tutorial-hero > .main-container > p,
:root[data-theme="dark"] .tutorial-hero p.hero-sub {
    color: rgba(255,255,255,.6);
}

/* Steps preview row — 4 items inline, decorative */
.hero-steps-preview {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-top: 2.25rem;
    flex-wrap: wrap;
}

.hero-step-item {
    display: flex;
    align-items: center;
    gap: .45rem;
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: .01em;
}

:root[data-theme="dark"] .hero-step-item { color: rgba(255,255,255,.42); }

.hero-step-item .hs-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--border-dim, rgba(0,0,0,.12));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: ui-monospace, monospace;
    font-size: .6rem;
    font-weight: 800;
    color: var(--text-2);
    flex-shrink: 0;
}

:root[data-theme="dark"] .hero-step-item .hs-num {
    border-color: rgba(255,255,255,.18);
    color: rgba(255,255,255,.5);
}

.hero-step-sep {
    width: 22px;
    height: 1px;
    background: var(--border-dim, rgba(0,0,0,.1));
    flex-shrink: 0;
}

:root[data-theme="dark"] .hero-step-sep { background: rgba(255,255,255,.12); }

/* ── Layout: article + sidebar ──────────────────────────────────────── */
.tutorial-layout {
    display: grid;
    grid-template-columns: 1fr 248px;
    gap: 52px;
    align-items: start;
    padding: 40px 0 84px;
}

@media (max-width: 860px) {
    .tutorial-layout { grid-template-columns: 1fr; gap: 40px; }
    .tutorial-sidebar { display: none; }
}

/* ── Video player ────────────────────────────────────────────────────── */
.tutorial-video-wrap {
    margin-bottom: 52px;
    border-radius: var(--radius-lg, 18px);
    overflow: hidden;
    border: 1px solid var(--border-dim, rgba(0,0,0,.08));
    background: #0D1117;
    aspect-ratio: 16 / 9;
    position: relative;
}

:root[data-theme="dark"] .tutorial-video-wrap { border-color: rgba(255,255,255,.1); }

.tutorial-video-wrap video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* ── Editorial lede (intro before steps) ────────────────────────────── */
.tutorial-lede {
    margin-bottom: 48px;
    padding-bottom: 44px;
    border-bottom: 1px solid var(--border-dim);
}

:root[data-theme="dark"] .tutorial-lede {
    border-bottom-color: rgba(255,255,255,.08);
}

.tutorial-lede p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.72;
    color: var(--text-2);
}

.tutorial-lede p + p { margin-top: .9rem; }

/* "Paso a paso" label before the steps list */
.steps-section-label {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--brand, #3b82f6);
    margin-bottom: 2.5rem;
}

.steps-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-dim);
}

:root[data-theme="dark"] .steps-section-label::after {
    background: rgba(255,255,255,.08);
}

/* ── Steps ───────────────────────────────────────────────────────────── */
.tutorial-steps {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

.tutorial-step {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 0 20px;
    align-items: start;
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--brand, #3b82f6);
    color: #fff;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .85rem;
    font-weight: 800;
    letter-spacing: .04em;
    flex-shrink: 0;
    margin-top: 2px;
}

.step-body { min-width: 0; }

.step-title {
    margin: 0 0 .75rem;
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -.018em;
    color: var(--text-1);
    line-height: 1.2;
    scroll-margin-top: calc(var(--header-height) + 20px);
}

.step-text {
    margin: 0;
    color: var(--text-2);
    font-size: .95rem;
    line-height: 1.65;
}

.step-text + .step-text { margin-top: .6rem; }

/* ── Screenshot figures ──────────────────────────────────────────────── */
.step-figure {
    margin: 1.25rem 0 0;
    border-radius: var(--radius-lg, 18px);
    overflow: hidden;
    border: 1px solid var(--border-dim, rgba(0,0,0,.08));
}

:root[data-theme="dark"] .step-figure { border-color: rgba(255,255,255,.1); }

.step-figure img {
    width: 100%;
    height: auto;
    display: block;
}

.step-figcaption {
    padding: .65rem 1rem;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-3);
    background: var(--bg-raised, var(--paper));
    border-top: 1px solid var(--border-dim, rgba(0,0,0,.06));
}

:root[data-theme="dark"] .step-figcaption {
    background: rgba(255,255,255,.025);
    border-top-color: rgba(255,255,255,.08);
}

/* ── Callout boxes ───────────────────────────────────────────────────── */
.step-callout {
    margin: 1.25rem 0 0;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-md, 12px);
    border: 1px solid;
    font-size: .9rem;
    line-height: 1.55;
}

.step-callout--info {
    border-color: rgba(59,130,246,.25);
    background: rgba(59,130,246,.05);
    color: var(--text-2);
}

:root[data-theme="dark"] .step-callout--info {
    border-color: rgba(147,197,253,.22);
    background: rgba(59,130,246,.1);
}

.step-callout--warn {
    border-color: rgba(184,121,57,.3);
    background: rgba(184,121,57,.05);
    color: var(--text-2);
}

:root[data-theme="dark"] .step-callout--warn {
    border-color: rgba(251,191,36,.22);
    background: rgba(184,121,57,.1);
}

.callout-label {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: .5rem;
}

.step-callout--info .callout-label { color: #3b82f6; }
:root[data-theme="dark"] .step-callout--info .callout-label { color: #93c5fd; }
.step-callout--warn .callout-label { color: #B87939; }
:root[data-theme="dark"] .step-callout--warn .callout-label { color: #fbbf24; }

/* ── Copy block (exclusions code snippet) ────────────────────────────── */
.copy-block {
    margin: 1.25rem 0 0;
    border-radius: var(--radius-md, 12px);
    border: 1px solid rgba(0,0,0,.1);
    overflow: hidden;
}

:root[data-theme="dark"] .copy-block { border-color: rgba(255,255,255,.12); }

.copy-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .55rem 1rem;
    background: var(--ink, #0D1117);
    color: rgba(255,255,255,.5);
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .2rem .6rem;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 6px;
    background: transparent;
    color: rgba(255,255,255,.6);
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color var(--transition-base, .16s ease), color var(--transition-base, .16s ease), background var(--transition-base, .16s ease);
}

.copy-btn:hover { border-color: rgba(255,255,255,.4); color: #fff; background: rgba(255,255,255,.06); }
.copy-btn.copied { border-color: #22c55e; color: #22c55e; }

.copy-block pre {
    margin: 0;
    padding: 1.1rem 1.25rem;
    background: #111827;
    color: #e2e8f0;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .88rem;
    line-height: 1.9;
    overflow-x: auto;
}

/* ── Result card ─────────────────────────────────────────────────────── */
.result-card {
    margin: 1.25rem 0 0;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-md, 12px);
    border: 1px solid rgba(34,197,94,.3);
    background: rgba(34,197,94,.04);
    display: flex;
    align-items: flex-start;
    gap: .9rem;
}

:root[data-theme="dark"] .result-card {
    border-color: rgba(34,197,94,.25);
    background: rgba(34,197,94,.07);
}

.result-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(34,197,94,.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #16a34a;
}

:root[data-theme="dark"] .result-icon { color: #4ade80; background: rgba(34,197,94,.18); }

.result-text p { margin: 0; font-size: .9rem; color: var(--text-2); line-height: 1.55; }
.result-text strong { color: var(--text-1); }

/* ── Action-options list (Download / Restore / Lock / Delete) ────────── */
.backup-actions {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.backup-action {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .6rem 1rem;
    align-items: start;
}

.backup-action-badge {
    display: inline-flex;
    align-items: center;
    padding: .22rem .7rem;
    border-radius: var(--radius-pill, 999px);
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .06em;
    white-space: nowrap;
}

.backup-action-badge--download { background: rgba(59,130,246,.1);  color: #3b82f6; border: 1px solid rgba(59,130,246,.2); }
.backup-action-badge--restore  { background: rgba(78,118,86,.1);   color: #4E7656; border: 1px solid rgba(78,118,86,.2); }
.backup-action-badge--lock     { background: rgba(184,121,57,.1);  color: #B87939; border: 1px solid rgba(184,121,57,.2); }
.backup-action-badge--delete   { background: rgba(184,74,58,.1);   color: #B84A3A; border: 1px solid rgba(184,74,58,.2); }

.backup-action p {
    margin: 0;
    color: var(--text-2);
    font-size: .9rem;
    line-height: 1.55;
}

/* ── Sidebar TOC ─────────────────────────────────────────────────────── */
.tutorial-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
}

.toc-card {
    padding: 1.25rem;
    border: 1px solid var(--border-dim, rgba(0,0,0,.08));
    border-radius: var(--radius-lg, 18px);
    background: var(--bg-raised, var(--paper));
}

:root[data-theme="dark"] .toc-card { border-color: rgba(255,255,255,.08); background: rgba(255,255,255,.025); }

.toc-label {
    display: block;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--brand, #3b82f6);
    margin-bottom: 1rem;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .1rem;
}

.toc-list a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .5rem .6rem;
    border-radius: 8px;
    color: var(--text-2);
    text-decoration: none;
    font-size: .85rem;
    font-weight: 540;
    transition: background var(--transition-base, .14s ease), color var(--transition-base, .14s ease);
}

.toc-list a:hover { background: rgba(59,130,246,.07); color: var(--brand, #3b82f6); }

.toc-list .toc-n {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand, #3b82f6);
    color: #fff;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .58rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toc-divider {
    height: 1px;
    background: var(--border-dim, rgba(0,0,0,.06));
    margin: 1rem 0;
}

:root[data-theme="dark"] .toc-divider { background: rgba(255,255,255,.07); }

.toc-link-out {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem .75rem;
    border: 1px solid var(--border-dim, rgba(0,0,0,.08));
    border-radius: 10px;
    color: var(--text-2);
    text-decoration: none;
    font-size: .82rem;
    font-weight: 600;
    transition: border-color var(--transition-base, .16s ease), color var(--transition-base, .16s ease);
}

:root[data-theme="dark"] .toc-link-out { border-color: rgba(255,255,255,.08); }
.toc-link-out:hover { border-color: var(--brand, #3b82f6); color: var(--brand, #3b82f6); }
.toc-link-out svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── TOC scroll-spy: active / done states ───────────────────────────── */
.toc-list .toc-n {
    transition: background var(--transition-base, .16s ease), box-shadow var(--transition-base, .16s ease);
}

.toc-list a.is-active {
    background: rgba(59,130,246,.09);
    color: var(--brand, #3b82f6);
    font-weight: 620;
}
.toc-list a.is-active .toc-n {
    box-shadow: 0 0 0 3px rgba(59,130,246,.22);
}
:root[data-theme="dark"] .toc-list a.is-active {
    background: rgba(59,130,246,.15);
}

.toc-list a.is-done .toc-n {
    background: var(--green, #4E7656);
    font-size: 0;
}
.toc-list a.is-done .toc-n::after {
    content: '✓';
    font-size: .65rem;
    color: #fff;
}

/* ── Bottom CTA band ─────────────────────────────────────────────────── */
.cta-band {
    padding: 2rem;
    border-radius: var(--radius-lg, 18px);
    background: var(--brand, #3b82f6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 84px;
}

.cta-band h3 { font-size: 1.4rem; font-weight: 700; margin: 0 0 .2rem; color: #fff; }
.cta-band p  { margin: 0; opacity: .85; color: #fff; }
.cta-band .btn { background: #fff; color: var(--brand, #3b82f6); border-color: rgba(255,255,255,.3); white-space: nowrap; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   TUTORIAL INDEX PAGE (/tutoriales)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* ── Index hero (shorter dark band) ─────────────────────────────────── */
.tutorials-index-hero {
    margin-top: calc(-1 * var(--header-height));
    padding: calc(60px + var(--header-height)) 0 56px;
    background: var(--paper, #F7F3EA);
    color: var(--text-1);
    position: relative;
    overflow: hidden;
}

:root[data-theme="dark"] .tutorials-index-hero,
.dark .tutorials-index-hero {
    background: var(--ink, #0D1117);
    color: #fff;
    color-scheme: dark;
}

.tutorials-index-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -80px;
    width: 640px;
    height: 520px;
    background: radial-gradient(ellipse 60% 55% at 70% 40%, rgba(59,130,246,.08) 0%, transparent 70%);
    pointer-events: none;
}

:root[data-theme="dark"] .tutorials-index-hero::before,
.dark .tutorials-index-hero::before {
    background: radial-gradient(ellipse 60% 55% at 70% 40%, rgba(59,130,246,.15) 0%, transparent 70%);
}

.tutorials-index-hero .breadcrumb {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 1.5rem;
}

.tutorials-index-hero .breadcrumb a { color: inherit; text-decoration: none; transition: color var(--transition-base, .16s ease); }
.tutorials-index-hero .breadcrumb a:hover { color: var(--text-1); }
.tutorials-index-hero .breadcrumb span { color: var(--border-dim); }

:root[data-theme="dark"] .tutorials-index-hero .breadcrumb,
.dark .tutorials-index-hero .breadcrumb { color: rgba(255,255,255,.38); }
:root[data-theme="dark"] .tutorials-index-hero .breadcrumb a:hover,
.dark .tutorials-index-hero .breadcrumb a:hover { color: rgba(255,255,255,.8); }
:root[data-theme="dark"] .tutorials-index-hero .breadcrumb span,
.dark .tutorials-index-hero .breadcrumb span { color: rgba(255,255,255,.18); }

.tutorials-index-hero h1 {
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    font-weight: 920;
    line-height: 1.02;
    letter-spacing: -.036em;
    color: var(--text-1);
}

:root[data-theme="dark"] .tutorials-index-hero h1,
.dark .tutorials-index-hero h1 { color: #fff; }

.tutorials-index-hero p {
    margin: 1.1rem 0 0;
    max-width: 520px;
    color: var(--text-2);
    font-size: 1.05rem;
    line-height: 1.65;
}

:root[data-theme="dark"] .tutorials-index-hero p,
.dark .tutorials-index-hero p { color: rgba(255,255,255,.6); }

.tutorials-count-badge {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    margin-top: 1.75rem;
    padding: .3rem .85rem;
    background: rgba(255,255,255,.58);
    border: 1px solid rgba(13,17,23,.08);
    border-radius: var(--radius-pill, 999px);
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-3);
}

:root[data-theme="dark"] .tutorials-count-badge,
.dark .tutorials-count-badge {
    background: rgba(255,255,255,.05);
    border-color: rgba(255,255,255,.1);
    color: rgba(255,255,255,.38);
}

/* ── Index grid ──────────────────────────────────────────────────────── */
.tutorials-grid-wrap {
    padding: 48px 0 56px;
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

@media (max-width: 680px) {
    .tutorials-grid { grid-template-columns: 1fr; }
}

/* ── Tutorial card ───────────────────────────────────────────────────── */
.tutorial-card {
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1.5rem 1.4rem;
    background: var(--bg-raised);
    border: 1px solid var(--border-dim);
    border-radius: var(--radius-lg, 18px);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition-base), background var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Category top-stripe — only visible on hover */
.tutorial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 18px 18px 0 0;
    opacity: 0;
    transition: opacity var(--transition-base, .16s ease);
}

.tutorial-card--gaming::before { background: var(--brand, #3b82f6); }

.tutorial-card:hover {
    border-color: var(--brand, #3b82f6);
    background: rgba(59,130,246,.03);
}

.tutorial-card:hover::before { opacity: 1; }

:root[data-theme="dark"] .tutorial-card {
    background: rgba(255,255,255,.04);
    border-color: rgba(255,255,255,.09);
}

:root[data-theme="dark"] .tutorial-card:hover {
    border-color: rgba(147,197,253,.35);
    background: rgba(255,255,255,.065);
}

.card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1.1rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -.018em;
    line-height: 1.25;
    color: var(--text-1);
    margin: 0 0 .65rem;
}

.card-desc {
    font-size: .9rem;
    line-height: 1.62;
    color: var(--text-2);
    margin: 0;
    flex: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-dim);
}

:root[data-theme="dark"] .card-footer { border-top-color: rgba(255,255,255,.08); }

.card-diff {
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-3);
}

.card-diff--beginner { color: #4E7656; }

:root[data-theme="dark"] .card-diff--beginner { color: #86efac; }

.card-cta {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .82rem;
    font-weight: 700;
    color: var(--brand, #3b82f6);
    letter-spacing: -.01em;
    flex-shrink: 0;
}

.card-cta svg { transition: transform var(--transition-base, .16s ease); }
.tutorial-card:hover .card-cta svg { transform: translateX(4px); }

/* "Nuevo" badge */
.card-new-badge {
    position: absolute;
    top: .85rem;
    right: .85rem;
    padding: .18rem .58rem;
    background: rgba(59,130,246,.1);
    border: 1px solid rgba(59,130,246,.22);
    border-radius: var(--radius-pill, 999px);
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: .55rem;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--brand, #3b82f6);
}

:root[data-theme="dark"] .card-new-badge {
    background: rgba(147,197,253,.1);
    border-color: rgba(147,197,253,.25);
    color: #93c5fd;
}