/* =========================================
   Kyber Gym — Design System
   Sora font, zelený akcent, dark + light téma
   ========================================= */

:root {
    /* Tmavé téma (výchozí) */
    --bg:           #080E10;
    --bg-secondary: #192022;
    --bg-card:      #111820;
    --green:        #00DC93;
    --green-hover:  #5CEABB;
    --green-dark:   #00BA7F;
    --purple:       #6F4BD8;
    --purple-med:   #845AFF;
    --white:        #FFFFFF;
    --grey:         #A1A4A5;
    --grey-dark:    #4A5568;
    --border:       #1E2D30;
    --nav-bg:       rgba(8,14,16,.95);
    --radius:       12px;
    --radius-sm:    8px;
    --transition:   .2s ease;
}

/* =========================================
   Světlé téma
   ========================================= */
[data-theme="light"] {
    --bg:           #F3F5F7;
    --bg-secondary: #E5EAED;
    --bg-card:      #FFFFFF;
    --green:        #009E6C;
    --green-hover:  #00BA7F;
    --green-dark:   #007A53;
    --purple:       #5A3BB8;
    --purple-med:   #6F4BD8;
    --white:        #0F1417;
    --grey:         #4A5568;
    --grey-dark:    #8B9299;
    --border:       #CDD2D8;
    --nav-bg:       rgba(243,245,247,.95);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Sora', sans-serif;
    background: var(--bg);
    color: var(--grey);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-hover); }

h1, h2, h3, h4 { color: var(--white); font-weight: 700; line-height: 1.3; }
h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

p { line-height: 1.7; }

/* ---- Utility ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.text-green { color: var(--green); }
.text-grey  { color: var(--grey); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1.75rem;
    border-radius: 100px;
    font-family: inherit;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background var(--transition), color var(--transition), transform var(--transition);
    text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary  { background: var(--green); color: #080E10; }
.btn--primary:hover { background: var(--green-hover); color: #080E10; }
.btn--outline  { background: transparent; border: 1.5px solid var(--green); color: var(--green); }
.btn--outline:hover { background: var(--green); color: #080E10; }
.btn--purple   { background: var(--purple-med); color: var(--white); }
.btn--purple:hover { background: var(--purple); }
.btn--danger   { background: #c0392b; color: var(--white); }
.btn--danger:hover { background: #e74c3c; }
.btn--sm       { padding: .5rem 1.25rem; font-size: .85rem; }
.btn--full     { width: 100%; justify-content: center; }
.btn:disabled  { opacity: .5; cursor: not-allowed; transform: none; }

/* ---- Forms ---- */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: .4rem;
}
.form-control {
    width: 100%;
    padding: .75rem 1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: inherit;
    font-size: .95rem;
    transition: border-color var(--transition);
}
.form-control:focus { outline: none; border-color: var(--green); }
.form-control::placeholder { color: var(--grey-dark); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ---- Alerts ---- */
.alert {
    padding: .85rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    margin-bottom: 1.25rem;
}
.alert--error   { background: rgba(192,57,43,.15); border: 1px solid #c0392b; color: #ff7b6e; }
.alert--success { background: rgba(0,220,147,.1);  border: 1px solid var(--green); color: var(--green); }
.alert--info    { background: rgba(132,90,255,.1);  border: 1px solid var(--purple-med); color: #ae92ff; }

/* ---- Nav ---- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav__inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: .9rem 1.5rem;
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    margin-right: auto;
}
.nav__logo strong { color: var(--green); }
.nav__logo-icon { font-size: 1.3rem; }
.nav__links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}
.nav__links a { color: var(--grey); font-size: .9rem; font-weight: 500; }
.nav__links a:hover { color: var(--white); }
.nav__admin { color: var(--purple-med) !important; }
.nav__user {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .85rem;
    color: var(--grey);
}
.nav__user-link, .nav__logout { color: var(--grey); }
.nav__logout:hover { color: #ff7b6e; }

/* ---- Main & Footer ---- */
.main { flex: 1; padding: 2.5rem 0 4rem; }

.footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
}
.footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .82rem;
    color: var(--grey-dark);
}
.footer__sep { color: var(--border); }

/* ---- Page header ---- */
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.page-header__label {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: .5rem;
}
.page-header__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.card--hover {
    transition: border-color var(--transition), transform var(--transition);
    cursor: pointer;
}
.card--hover:hover {
    border-color: var(--green);
    transform: translateY(-2px);
}

/* ---- Course card ---- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), transform var(--transition);
}
.course-card:hover { border-color: var(--green); transform: translateY(-3px); }
.course-card__thumb {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: var(--bg-secondary);
}
.course-card__thumb--placeholder {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}
.course-card__body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.course-card__badge {
    display: inline-block;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--green);
    background: rgba(0,220,147,.1);
    border-radius: 100px;
    padding: .2rem .65rem;
    margin-bottom: .6rem;
}
.course-card__title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: .4rem; }
.course-card__desc  { font-size: .85rem; color: var(--grey); line-height: 1.6; flex: 1; }
.course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.course-card__price {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--white);
}

/* ---- Progress bar ---- */
.progress { background: var(--bg-secondary); border-radius: 100px; height: 6px; overflow: hidden; }
.progress__bar { height: 100%; background: var(--green); border-radius: 100px; transition: width .4s ease; }
.progress__label { font-size: .8rem; color: var(--grey); margin-top: .35rem; }

/* ---- Lesson sidebar ---- */
.lesson-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}
@media (max-width: 900px) { .lesson-layout { grid-template-columns: 1fr; } }

.lesson-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    position: sticky;
    top: 80px;
}
.lesson-sidebar__title {
    padding: 1rem 1.25rem;
    font-size: .9rem;
    font-weight: 700;
    color: var(--white);
    border-bottom: 1px solid var(--border);
}
.lesson-sidebar__list { list-style: none; }
.lesson-sidebar__item a {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1.25rem;
    font-size: .85rem;
    color: var(--grey);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), color var(--transition);
}
.lesson-sidebar__item a:hover { background: var(--bg-secondary); color: var(--white); }
.lesson-sidebar__item--active a { background: rgba(0,220,147,.08); color: var(--green); }
.lesson-sidebar__item--done a  { color: var(--green-dark); }
.lesson-sidebar__icon { font-size: .9rem; flex-shrink: 0; }
.lesson-sidebar__done { margin-left: auto; color: var(--green); }

/* ---- Lesson content ---- */
.lesson-content { min-height: 60vh; }
.lesson-content h1 { margin-bottom: 1.5rem; }
.lesson-content .video-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    margin-bottom: 1.5rem;
}
.lesson-content .video-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}
.lesson-body { line-height: 1.8; color: var(--grey); }
.lesson-body h2, .lesson-body h3 { color: var(--white); margin: 1.5rem 0 .75rem; }
.lesson-body p  { margin-bottom: 1rem; }
.lesson-body ul, .lesson-body ol { margin: 0 0 1rem 1.5rem; }
.lesson-body li { margin-bottom: .35rem; }
.lesson-body code {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: .15rem .4rem;
    font-size: .88em;
    color: var(--green);
}
.pdf-download {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}
.pdf-download__icon { font-size: 2.5rem; }
.pdf-download__title { font-weight: 700; color: var(--white); margin-bottom: .25rem; }

/* ---- Quiz ---- */
.quiz-question { margin-bottom: 2rem; }
.quiz-question__text { font-size: 1rem; font-weight: 600; color: var(--white); margin-bottom: 1rem; }
.quiz-options { display: flex; flex-direction: column; gap: .6rem; }
.quiz-option {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    font-size: .9rem;
}
.quiz-option:hover { border-color: var(--green); background: rgba(0,220,147,.06); }
.quiz-option input[type="radio"] { accent-color: var(--green); }
.quiz-option--correct { border-color: var(--green) !important; background: rgba(0,220,147,.12) !important; }
.quiz-option--wrong   { border-color: #c0392b !important; background: rgba(192,57,43,.1) !important; }
.quiz-explanation { font-size: .85rem; color: var(--grey); margin-top: .5rem; padding: .6rem 1rem; background: var(--bg-card); border-radius: var(--radius-sm); }

.quiz-result {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 1.5rem;
}
.quiz-result__score { font-size: 3rem; font-weight: 800; color: var(--green); }
.quiz-result__label { color: var(--grey); margin-bottom: 1rem; }

/* ---- Auth page ---- */
.auth-page {
    min-height: calc(100vh - 56px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}
.auth-box {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
}
.auth-box__logo {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-box__logo-title { font-size: 1.5rem; font-weight: 800; color: var(--white); }
.auth-box__logo-title span { color: var(--green); }
.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.75rem;
}
.auth-tab {
    flex: 1;
    padding: .6rem;
    text-align: center;
    font-size: .9rem;
    font-weight: 600;
    color: var(--grey);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: inherit;
}
.auth-tab.active { color: var(--green); border-bottom-color: var(--green); }

/* ---- Admin ---- */
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2rem;
    align-items: start;
}
@media (max-width: 800px) { .admin-layout { grid-template-columns: 1fr; } }

.admin-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    position: sticky;
    top: 80px;
}
.admin-sidebar__title {
    padding: .75rem 1.25rem;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--grey-dark);
    border-bottom: 1px solid var(--border);
}
.admin-sidebar__nav { list-style: none; }
.admin-sidebar__nav a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .75rem 1.25rem;
    font-size: .875rem;
    color: var(--grey);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), color var(--transition);
}
.admin-sidebar__nav a:hover { background: var(--bg-secondary); color: var(--white); }
.admin-sidebar__nav a.active { color: var(--green); background: rgba(0,220,147,.06); }

.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.admin-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.admin-stat__value { font-size: 2rem; font-weight: 800; color: var(--white); }
.admin-stat__label { font-size: .8rem; color: var(--grey); margin-top: .25rem; }

/* ---- Table ---- */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
table th {
    text-align: left;
    padding: .75rem 1rem;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--grey);
    border-bottom: 1px solid var(--border);
}
table td {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--grey);
    vertical-align: middle;
}
table tr:hover td { background: var(--bg-secondary); }
table td strong { color: var(--white); }

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: .2rem .6rem;
    border-radius: 100px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.badge--green  { background: rgba(0,220,147,.15); color: var(--green); }
.badge--yellow { background: rgba(250,200,0,.12); color: #f5c518; }
.badge--red    { background: rgba(192,57,43,.15); color: #ff7b6e; }
.badge--grey   { background: rgba(161,164,165,.1); color: var(--grey); }
.badge--purple { background: rgba(132,90,255,.15); color: var(--purple-med); }

/* ---- Checkout ---- */
.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: start;
}
@media (max-width: 800px) { .checkout-grid { grid-template-columns: 1fr; } }

.payment-method {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-bottom: 1.5rem;
}
.payment-option {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}
.payment-option:has(input:checked) { border-color: var(--green); background: rgba(0,220,147,.06); }
.payment-option input { accent-color: var(--green); margin-top: .2rem; }
.payment-option__title { font-weight: 600; color: var(--white); font-size: .9rem; }
.payment-option__desc  { font-size: .8rem; color: var(--grey); margin-top: .2rem; }

.order-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    position: sticky;
    top: 80px;
}
.order-summary__title { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--grey); margin-bottom: 1rem; }
.order-summary__item  { display: flex; justify-content: space-between; align-items: center; padding: .6rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.order-summary__total { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0 0; font-size: 1.1rem; font-weight: 700; color: var(--white); }

/* ---- Veřejný katalog — hero ---- */
.public-hero {
    padding: 4rem 0 3rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}
.public-hero__label {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: .75rem;
}
.public-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1rem;
}
.public-hero__title span { color: var(--green); }
.public-hero__desc {
    font-size: 1.05rem;
    color: var(--grey);
    max-width: 560px;
    line-height: 1.75;
    margin-bottom: 2rem;
}
.public-hero__stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}
.public-hero__stat {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}
.public-hero__stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}
.public-hero__stat-label {
    font-size: .8rem;
    color: var(--grey);
}

/* Course card jako odkaz */
a.course-card { text-decoration: none; color: inherit; display: flex; flex-direction: column; }

/* ---- Kurz — landing page ---- */
.landing-hero {
    padding: 4rem 0 3.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}
.landing-hero__inner {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3.5rem;
    align-items: center;
}
@media (max-width: 840px) {
    .landing-hero__inner { grid-template-columns: 1fr; }
    .landing-hero__visual { display: none; }
}
.landing-hero__visual { position: relative; }
.landing-hero__thumb {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 24px 64px rgba(0,0,0,.5);
    display: block;
}
[data-theme="light"] .landing-hero__thumb { box-shadow: 0 12px 40px rgba(0,0,0,.12); }
.landing-hero__thumb--placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}
.landing-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--green);
    background: rgba(0,220,147,.1);
    border: 1px solid rgba(0,220,147,.2);
    border-radius: 100px;
    padding: .3rem .9rem;
    margin-bottom: 1.25rem;
}
[data-theme="light"] .landing-hero__badge {
    background: rgba(0,158,108,.08);
    border-color: rgba(0,158,108,.25);
}
.landing-hero__title {
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1rem;
}
.landing-hero__desc {
    font-size: 1rem;
    color: var(--grey);
    line-height: 1.75;
    margin-bottom: 2rem;
}
.landing-hero__meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    font-size: .88rem;
    color: var(--grey);
    margin-bottom: 2rem;
}
.landing-hero__meta-item {
    display: flex;
    align-items: center;
    gap: .4rem;
}
.landing-hero__ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Landing page layout */
.landing-body {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 3rem;
    align-items: start;
    margin-bottom: 4rem;
}
@media (max-width: 860px) {
    .landing-body { grid-template-columns: 1fr; }
    .landing-price-box { position: static; }
}

/* Co je součástí kurzu */
.landing-includes {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 2rem;
}
.landing-includes__header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.landing-includes__header h2 { font-size: 1.1rem; margin-bottom: .25rem; }
.landing-includes__header p  { font-size: .85rem; color: var(--grey); }
.landing-includes__list { list-style: none; }
.landing-includes__item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
    color: var(--grey);
}
.landing-includes__item:last-child { border-bottom: none; }
.landing-includes__icon { flex-shrink: 0; color: var(--green); }
.landing-includes__lock { margin-left: auto; font-size: .75rem; opacity: .4; }

/* Cenový box */
.landing-price-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    position: sticky;
    top: 80px;
}
.landing-price-box__price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: .3rem;
}
.landing-price-box__note {
    font-size: .82rem;
    color: var(--grey);
    margin-bottom: 1.5rem;
}
.landing-price-box hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.25rem 0;
}
.landing-price-box__features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    margin-bottom: 1.5rem;
}
.landing-price-box__features li {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    font-size: .875rem;
    color: var(--grey);
}
.landing-price-box__check { color: var(--green); font-weight: 700; flex-shrink: 0; }

/* ---- Sales LP — Sekce přesvědčení ---- */

/* Páska s hrozbami */
.lp-band {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 3.5rem 0;
}
.lp-band__label {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: #ff7b6e;
    margin-bottom: .6rem;
}
.lp-band__title {
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: .75rem;
}
.lp-band__desc { color: var(--grey); max-width: 540px; line-height: 1.7; }

.lp-threat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
}
@media (max-width: 700px) { .lp-threat-grid { grid-template-columns: 1fr; } }
.lp-threat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: 3px solid #c0392b;
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}
.lp-threat-card__icon { font-size: 1.75rem; margin-bottom: .75rem; }
.lp-threat-card__title { font-size: .95rem; font-weight: 700; color: var(--white); margin-bottom: .4rem; }
.lp-threat-card__desc { font-size: .83rem; color: var(--grey); line-height: 1.6; }

/* Pro koho je kurz */
.lp-forwhom { padding: 3.5rem 0; }
.lp-forwhom__title {
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: .4rem;
}
.lp-forwhom__subtitle { color: var(--grey); margin-bottom: 1.75rem; }
.lp-forwhom__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
}
@media (max-width: 640px) { .lp-forwhom__grid { grid-template-columns: 1fr; } }
.lp-forwhom__item {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .9rem 1.1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .9rem;
    color: var(--grey);
    line-height: 1.5;
}
.lp-forwhom__check { color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: .1rem; }

/* Lektor */
.lp-instructor {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 3.5rem 0;
}
.lp-instructor__inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 680px;
}
@media (max-width: 560px) { .lp-instructor__inner { grid-template-columns: 1fr; } }
.lp-instructor__avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-dark), var(--purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    flex-shrink: 0;
    border: 2px solid rgba(0,220,147,.3);
}
.lp-instructor__label {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: .3rem;
}
.lp-instructor__name { font-size: 1.2rem; font-weight: 800; color: var(--white); margin-bottom: .6rem; }
.lp-instructor__bio { font-size: .9rem; color: var(--grey); line-height: 1.75; }

/* Velký CTA blok */
.lp-cta-block {
    background: linear-gradient(135deg, rgba(0,220,147,.07), rgba(111,75,216,.07));
    border-top: 1px solid rgba(0,220,147,.2);
    border-bottom: 1px solid var(--border);
    padding: 4.5rem 0;
    text-align: center;
}
[data-theme="light"] .lp-cta-block {
    background: linear-gradient(135deg, rgba(0,158,108,.06), rgba(90,59,184,.05));
    border-top-color: rgba(0,158,108,.2);
}
.lp-cta-block__title {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: .75rem;
}
.lp-cta-block__desc {
    font-size: 1rem;
    color: var(--grey);
    max-width: 460px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
}
.lp-cta-block__price { font-size: 2.6rem; font-weight: 800; color: var(--white); line-height: 1; }
.lp-cta-block__price-note { font-size: .85rem; color: var(--grey); margin: .4rem 0 2rem; }
.lp-cta-block__ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* FAQ */
.lp-faq { padding: 3.5rem 0 4rem; }
.lp-faq__title {
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
}
.lp-faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: .6rem; }
details.lp-faq__item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
details.lp-faq__item summary {
    padding: 1.1rem 1.5rem;
    font-size: .95rem;
    font-weight: 600;
    color: var(--white);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    user-select: none;
    transition: background var(--transition);
}
details.lp-faq__item summary::-webkit-details-marker { display: none; }
details.lp-faq__item summary::after { content: '+'; font-size: 1.3rem; color: var(--green); flex-shrink: 0; transition: transform var(--transition); }
details.lp-faq__item[open] summary::after { transform: rotate(45deg); }
details.lp-faq__item[open] summary { border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
.lp-faq__answer { padding: 1.1rem 1.5rem; font-size: .9rem; color: var(--grey); line-height: 1.8; }

/* Trust lišta */
.landing-trust {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}
.landing-trust__item {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: .88rem;
    color: var(--grey);
}
.landing-trust__icon { font-size: 1.3rem; }

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--grey);
}
.empty-state__icon { font-size: 3.5rem; margin-bottom: 1rem; }
.empty-state__title { font-size: 1.2rem; font-weight: 700; color: var(--white); margin-bottom: .5rem; }

/* ---- Theme toggle ---- */
.theme-toggle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
    flex-shrink: 0;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.theme-toggle:hover {
    border-color: var(--green);
    background: var(--bg-card);
    transform: rotate(20deg);
}

@media (max-width: 640px) {
    .nav__links { display: none; }
    .nav__user span { display: none; }
    .main { padding: 1.5rem 0 3rem; }
    .auth-box { padding: 1.75rem 1.25rem; }
}