/* =========================================================
   Campus v2 — tema moderno unificado (capa sobre academy.css)
   Conserva selectores/hooks existentes; solo mejora visual y UX.
   ========================================================= */

:root {
    --font: 'Manrope', system-ui, sans-serif;
    --display: 'Fraunces', Georgia, serif;
    --bg: #f3f6fa;
    --surface: #ffffff;
    --surface-2: #e8eef6;
    --ink: #0d1b2a;
    --ink-2: #243b53;
    --muted: #627d98;
    --line: #d9e2ec;
    --brand: #0f2c4c;
    --brand-2: #1f4e79;
    --brand-soft: #e6eef8;
    --bull: #0d9488;
    --bull-light: #2dd4bf;
    --bull-soft: #e6faf7;
    --gold: #b45309;
    --gold-light: #d97706;
    --gold-soft: #fff7ed;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 1px 2px rgba(13, 27, 42, .04), 0 10px 28px rgba(13, 27, 42, .06);
    --shadow-lg: 0 16px 40px rgba(13, 27, 42, .1);
    --nav: 68px;
}

html[data-theme="dark"] {
    --bg: #0b1220;
    --surface: #121a2a;
    --surface-2: #1a2438;
    --ink: #e8eef7;
    --ink-2: #c5d0e0;
    --muted: #8b9cb3;
    --line: #2a364c;
    --brand: #7eb6e8;
    --brand-2: #4f8fc9;
    --brand-soft: rgba(79, 143, 201, .16);
    --bull: #2dd4bf;
    --bull-light: #5eead4;
    --bull-soft: rgba(45, 212, 191, .12);
    --gold: #f0b429;
    --gold-light: #f7c948;
    --gold-soft: rgba(240, 180, 41, .12);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px rgba(0, 0, 0, .35);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, .45);
}

body:not(.login-page) {
    background:
        radial-gradient(900px 380px at 92% -10%, rgba(31, 78, 121, .12), transparent 55%),
        radial-gradient(700px 320px at -5% 105%, rgba(13, 148, 136, .1), transparent 50%),
        linear-gradient(180deg, #f6f9fc 0%, var(--bg) 40%, #eef3f8 100%);
    background-attachment: fixed;
}

html[data-theme="dark"] body:not(.login-page) {
    background:
        radial-gradient(900px 380px at 92% -10%, rgba(79, 143, 201, .12), transparent 55%),
        radial-gradient(700px 320px at -5% 105%, rgba(45, 212, 191, .08), transparent 50%),
        linear-gradient(180deg, #0b1220 0%, #0d1524 100%);
}

/* —— Topbar v2 —— */
.topbar-v2 {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: .75rem 1rem;
    padding: .65rem 1.1rem;
    min-height: var(--nav);
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(217, 226, 236, .9);
}

html[data-theme="dark"] .topbar-v2 {
    background: rgba(18, 26, 42, .88);
    border-bottom-color: var(--line);
}

.topbar-v2 .topbar-left {
    display: flex;
    align-items: center;
    min-width: 0;
}

.topbar-v2 .topbar-brand {
    display: flex;
    align-items: center;
    gap: .55rem;
    text-decoration: none;
    font-weight: 800;
    color: var(--brand);
}

.topbar-v2 .topbar-brand span {
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.15rem;
    letter-spacing: .01em;
}

.topbar-nav {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: .2rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.topbar-nav::-webkit-scrollbar { display: none; }

.topbar-v2 .nav-link {
    flex: 0 0 auto;
    padding: .45rem .75rem;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--muted);
    border: 1px solid transparent;
    transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.topbar-v2 .nav-link:hover {
    color: var(--brand);
    background: var(--brand-soft);
}

.topbar-v2 .nav-link.is-active {
    color: var(--brand);
    background: var(--brand-soft);
    border-color: rgba(31, 78, 121, .18);
}

.topbar-v2 .topbar-right {
    display: flex;
    align-items: center;
    gap: .55rem;
    justify-content: flex-end;
}

/* —— Bottom nav v2 (scroll horizontal) —— */
.bottom-nav-v2 {
    padding: 0;
    overflow: hidden;
}

.bottom-nav-scroll {
    display: flex;
    gap: .15rem;
    overflow-x: auto;
    padding: .35rem .5rem calc(.35rem + var(--safe-bottom));
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.bottom-nav-scroll::-webkit-scrollbar { display: none; }

.bottom-nav-v2 .bottom-nav-item {
    flex: 0 0 auto;
    min-width: 4.4rem;
    border-radius: 14px;
}

.bottom-nav-v2 .bottom-nav-item.on {
    background: var(--brand-soft);
    color: var(--brand);
}

/* —— Campus shell —— */
.page-campus .campus-shell {
    padding-top: 1rem;
    position: relative;
    isolation: isolate;
}

.page-campus .campus-shell::before,
.page-campus .campus-shell::after {
    content: "";
    position: absolute;
    inset: auto;
    border-radius: 999px;
    filter: blur(26px);
    opacity: .45;
    z-index: -1;
    pointer-events: none;
}

.page-campus .campus-shell::before {
    width: 280px;
    height: 280px;
    top: -40px;
    right: -80px;
    background: rgba(31, 78, 121, .2);
}

.page-campus .campus-shell::after {
    width: 220px;
    height: 220px;
    bottom: 40px;
    left: -80px;
    background: rgba(13, 148, 136, .18);
}

.campus-sidebar {
    background: linear-gradient(165deg, var(--brand) 0%, #163a5f 55%, #0d9488 140%) !important;
    color: #f5f8fc !important;
    border: 0 !important;
    box-shadow: var(--shadow-lg) !important;
    position: sticky;
    top: calc(var(--nav) + 12px);
    overflow: hidden;
}

.campus-sidebar::before {
    content: "";
    position: absolute;
    inset: -20% auto auto 65%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    filter: blur(10px);
    pointer-events: none;
}

html[data-theme="dark"] .campus-sidebar {
    background: linear-gradient(165deg, #152238 0%, #1a334f 60%, #0f766e 140%) !important;
}

.campus-sidebar .campus-kicker,
.campus-sidebar .campus-profile-card p,
.campus-sidebar .campus-metric span,
.campus-sidebar .ring-lbl {
    color: rgba(255, 255, 255, .72) !important;
}

.campus-sidebar h2,
.campus-sidebar .ring-pct,
.campus-sidebar .campus-metric strong {
    color: #fff !important;
}

.campus-quest-card {
    margin: 1rem 0 1.1rem;
    padding: .95rem 1rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.06));
    border: 1px solid rgba(255,255,255,.18);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}

.campus-quest-card .quest-top {
    display: flex;
    flex-direction: column;
    gap: .2rem;
    margin-bottom: .45rem;
}

.campus-quest-card .quest-kicker {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-weight: 800;
    color: rgba(255,255,255,.72);
}

.campus-quest-card strong {
    font-size: 1rem;
    color: #fff;
}

.campus-quest-card p {
    margin: 0 0 .6rem;
    color: rgba(255,255,255,.8);
    font-size: .86rem;
}

.campus-quest-card .quest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.campus-quest-card .quest-tags span {
    padding: .32rem .55rem;
    border-radius: 999px;
    background: rgba(255,255,255,.12);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
}

.campus-links {
    display: grid;
    gap: .35rem;
}

.campus-links a {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem .75rem;
    border-radius: 12px;
    text-decoration: none;
    color: #fff !important;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .1);
    font-weight: 600;
    font-size: .88rem;
    transition: background .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}

.campus-links a span {
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .06em;
    opacity: .7;
}

.campus-links a:hover {
    background: rgba(255, 255, 255, .16);
    border-color: rgba(255, 255, 255, .22);
    transform: translateX(2px);
}

.campus-header {
    position: relative;
    overflow: hidden;
    padding: 1.4rem 1.45rem 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background:
        radial-gradient(220px 140px at top right, rgba(31, 78, 121, .12), transparent 70%),
        linear-gradient(135deg, rgba(31, 78, 121, .08), transparent 55%),
        var(--surface);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.campus-header::before {
    content: "";
    position: absolute;
    inset: auto -8% -25% auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(13, 148, 136, .18), transparent 70%);
    pointer-events: none;
}

.campus-header h1 {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2rem, 4vw, 2.7rem);
    line-height: 1.1;
    color: var(--brand);
    margin: .25rem 0 .5rem;
}

.campus-header-cta {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    margin-top: 1rem;
}

.campus-header-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .95rem;
}

.campus-pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .42rem .7rem;
    border-radius: 999px;
    background: var(--brand-soft);
    color: var(--brand);
    border: 1px solid rgba(31, 78, 121, .16);
    font-size: .78rem;
    font-weight: 700;
}

.campus-playbook {
    display: grid;
    grid-template-columns: 1.4fr .9fr;
    gap: 1rem;
    padding: 1.1rem 1.15rem;
    border-radius: 24px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(31, 78, 121, .12), rgba(13, 148, 136, .14));
    border: 1px solid rgba(31, 78, 121, .16);
    box-shadow: var(--shadow);
}

.campus-program-summary {
    display: grid;
    grid-template-columns: 1.3fr .9fr;
    gap: 1rem;
    padding: 1.1rem 1.15rem;
    border-radius: 24px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(15, 44, 76, .95), rgba(13, 148, 136, .92));
    border: 1px solid rgba(255,255,255,.16);
    box-shadow: var(--shadow-lg);
    color: #fff;
}

.program-summary-main h3 {
    margin: .3rem 0 .35rem;
    font-family: var(--display);
    font-size: 1.35rem;
    color: #fff;
}

.program-summary-main p {
    margin: 0;
    color: rgba(255,255,255,.82);
    font-size: .95rem;
}

.program-summary-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .65rem;
}

.program-stat {
    display: grid;
    align-content: center;
    gap: .2rem;
    padding: .8rem .7rem;
    border-radius: 16px;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.18);
    text-align: center;
}

.program-stat strong {
    font-size: 1.1rem;
    color: #fff;
}

.program-stat span {
    font-size: .75rem;
    font-weight: 700;
    color: rgba(255,255,255,.8);
    text-transform: uppercase;
    letter-spacing: .08em;
}

.campus-playbook-main h3 {
    margin: .25rem 0 .3rem;
    font-family: var(--display);
    font-size: 1.35rem;
    color: var(--brand);
}

.campus-playbook-main p {
    margin: 0 0 .8rem;
    color: var(--ink-2);
}

.campus-playbook-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .35rem .65rem;
    border-radius: 999px;
    background: rgba(255,255,255,.8);
    color: var(--brand);
    font-size: .74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.campus-playbook-progress {
    display: flex;
    align-items: center;
    gap: .7rem;
    flex-wrap: wrap;
}

.campus-playbook-track {
    flex: 1 1 220px;
    height: 10px;
    border-radius: 999px;
    background: rgba(31, 78, 121, .12);
    overflow: hidden;
}

.campus-playbook-track i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--bull), var(--gold-light));
}

.campus-playbook-progress span {
    font-size: .78rem;
    font-weight: 800;
    color: var(--brand);
}

.campus-playbook-side {
    display: grid;
    gap: .55rem;
    align-content: center;
}

.playbook-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .6rem .75rem;
    border-radius: 14px;
    background: rgba(255,255,255,.8);
    color: var(--ink-2);
    font-size: .83rem;
    font-weight: 700;
    border: 1px solid rgba(31,78,121,.12);
}

.campus-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem;
}

.campus-action-card {
    position: relative;
    display: grid;
    gap: .25rem;
    padding: 1rem 1.05rem;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: var(--surface);
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
    overflow: hidden;
    transform-style: preserve-3d;
}

.campus-action-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, .22) 45%, transparent 100%);
    transform: translateX(-120%);
    transition: transform .55s ease;
    pointer-events: none;
}

.campus-action-card:hover::before {
    transform: translateX(120%);
}

.campus-action-card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(31, 78, 121, .28);
    box-shadow: var(--shadow-lg);
}

.campus-action-card.is-primary {
    background: linear-gradient(160deg, rgba(13, 148, 136, .12), var(--surface) 70%);
    border-color: rgba(13, 148, 136, .35);
}

.campus-action-step {
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--muted);
}

.campus-action-card strong {
    font-size: 1.05rem;
    color: var(--ink);
}

.campus-action-card p {
    margin: 0;
    font-size: .84rem;
    color: var(--muted);
}

/* —— Módulos —— */
.campus-route {
    margin-top: 1.35rem;
    padding: 1.15rem 1.2rem 1.3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background:
        linear-gradient(135deg, rgba(31, 78, 121, .03), transparent 70%),
        var(--surface);
    box-shadow: var(--shadow);
}

.campus-route-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1rem;
    margin-bottom: 1rem;
}

.campus-route-head h2 {
    margin: .1rem 0 0;
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.65rem;
    color: var(--brand);
}

.campus-route-head span {
    color: var(--muted);
    font-size: .84rem;
    font-weight: 600;
}

.campus-module-grid {
    display: grid;
    gap: .75rem;
}

.campus-module-row {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: start;
    padding: 1rem 1.05rem;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(12, 35, 64, .015), transparent), var(--surface);
    transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
    overflow: hidden;
}

.campus-module-row::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: linear-gradient(180deg, var(--bull), var(--gold-light));
    opacity: .7;
}

html[data-theme="dark"] .campus-module-row {
    background: rgba(255, 255, 255, .02);
}

.campus-module-row:hover {
    border-color: rgba(31, 78, 121, .3);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.campus-module-row.is-current {
    border-color: rgba(13, 148, 136, .45);
    background: linear-gradient(165deg, rgba(13, 148, 136, .1), transparent 65%);
    box-shadow: 0 10px 30px rgba(13, 148, 136, .12);
}

.campus-module-row.locked {
    opacity: .72;
}

.campus-module-index {
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 12px;
    display: grid;
    place-content: center;
    font-weight: 800;
    font-size: .85rem;
    letter-spacing: .04em;
    color: var(--brand);
    background: var(--brand-soft);
    border: 1px solid rgba(31, 78, 121, .12);
}

.campus-module-label {
    margin: 0 0 .2rem;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--muted);
}

.campus-module-main h3 {
    margin: 0 0 .3rem;
    font-size: 1.12rem;
    color: var(--ink);
}

.campus-module-desc {
    margin: 0;
    color: var(--muted);
    font-size: .9rem;
}

.campus-module-progress {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .55rem;
    align-items: center;
    margin-top: .65rem;
}

.campus-module-progress-track {
    height: 6px;
    border-radius: 999px;
    background: rgba(12, 35, 64, .08);
    overflow: hidden;
}

html[data-theme="dark"] .campus-module-progress-track {
    background: rgba(255, 255, 255, .08);
}

.campus-module-progress-track i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--bull), var(--bull-light));
}

.campus-module-progress span {
    font-size: .72rem;
    font-weight: 700;
    color: var(--muted);
    white-space: nowrap;
}

.campus-module-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin-top: .65rem;
}

.campus-module-tags span {
    font-size: .72rem;
    font-weight: 600;
    padding: .25rem .55rem;
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--ink-2);
    border: 1px solid var(--line);
}

.campus-module-side {
    display: grid;
    gap: .5rem;
    justify-items: end;
    align-content: start;
}

/* —— Módulo detail —— */
.page-module .mod-header {
    padding: 1.35rem 1.4rem 1.45rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background:
        linear-gradient(135deg, rgba(31, 78, 121, .08), transparent 55%),
        var(--surface);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.page-module .mod-header h1 {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    color: var(--brand);
}

.module-roadmap {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .65rem;
    margin-bottom: 1rem;
}

.roadmap-step {
    display: flex;
    gap: .7rem;
    padding: .9rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: var(--surface);
}

.roadmap-step.is-done {
    border-color: rgba(13, 148, 136, .35);
    background: var(--bull-soft);
}

.roadmap-step.is-active {
    border-color: rgba(31, 78, 121, .35);
    background: var(--brand-soft);
}

.roadmap-index {
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    display: grid;
    place-content: center;
    font-weight: 800;
    font-size: .78rem;
    background: var(--surface-2);
    color: var(--brand);
    flex-shrink: 0;
}

.module-lesson-card {
    border-radius: 16px !important;
    transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.module-lesson-card:not(.is-locked):hover {
    transform: translateX(3px);
    border-color: rgba(13, 148, 136, .4);
}

/* —— App pages share chrome —— */
.page-analyzer .az-hero,
.page-ask .ask-hero {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
    border: 0;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink-2);
}

.btn-ghost:hover {
    border-color: var(--brand-2);
    color: var(--brand);
}

/* —— Extras para un campus más vivo —— */
.campus-banner {
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.campus-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, .22) 45%, transparent 100%);
    transform: translateX(-120%);
    transition: transform .55s ease;
}

.campus-banner:hover::before {
    transform: translateX(120%);
}

.campus-method-block {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(31, 78, 121, .035), transparent 70%), var(--surface);
}

.campus-method-block::before {
    content: "";
    position: absolute;
    inset: auto -10% -25% auto;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(13, 148, 136, .14), transparent 72%);
    pointer-events: none;
}

.campus-action-card, .campus-module-row, .campus-banner, .campus-method-block {
    will-change: transform;
}

/* —— Responsive —— */
@media (max-width: 1100px) {
    .topbar-v2 {
        grid-template-columns: 1fr auto;
    }
    .topbar-nav {
        display: none;
    }
    .campus-playbook,
    .campus-program-summary {
        grid-template-columns: 1fr;
    }
    .campus-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .campus-layout {
        grid-template-columns: 1fr !important;
    }
    .campus-sidebar {
        position: static !important;
    }
    .module-roadmap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .campus-actions {
        grid-template-columns: 1fr;
    }
    .campus-module-row {
        grid-template-columns: auto 1fr;
    }
    .campus-module-side {
        grid-column: 1 / -1;
        justify-items: start;
        grid-auto-flow: column;
        justify-content: start;
        align-items: center;
    }
    .campus-header-cta .btn {
        width: 100%;
        justify-content: center;
    }
}