:root{
    --bg:#0c0c0f;
    --card:#151518;
    --light:#f4f1e8;
    --text:#ffffff;
    --muted:#bdbdbd;
}

*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:-apple-system,system-ui,Segoe UI,Roboto;
    background:var(--bg);
    color:var(--text);
}

.app{
    min-height:100vh;
    padding:120px 20px 40px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    width:100%;
    max-width:1100px;
}

.card-wrap{
    display:flex;
    flex-direction:column;
    gap:10px;
}

/* CARD */

.card{
    perspective:1000px;
}

.card-inner{
    position:relative;
    width:100%;
    aspect-ratio:2/3;
    transition:transform .6s;
    transform-style:preserve-3d;
}

.card.flipped .card-inner{
    transform:rotateY(180deg);
}

.card-face{
    position:absolute;
    inset:0;
    backface-visibility:hidden;
    border-radius:14px;
    overflow:hidden;
}

/* FRONT */

.card-front{
    background:#000;
    display:flex;
    align-items:center;
    justify-content:center;
}

.card-front img{
    width:100%;
    height:100%;
    object-fit:contain;
    background:#000;
}

/* BACK */

.card-back{
    background:#e4c587;
    color:#111;
    transform:rotateY(180deg);
    display:flex;
    align-items:center;
    justify-content:center;
    padding:24px;
}

.back-content{
    text-align:center;
    width:100%;
}

/* TITLE */

.back-title{
    font-family:"Times New Roman", serif;
    font-size:22px;
    letter-spacing:2px;
    margin-bottom:4px;
}

/* KEY */

.back-key{
    font-size:11px;
    letter-spacing:3px;
    text-transform:uppercase;
    margin-bottom:16px;
}

.back-key::after{
    content:"";
    display:block;
    width:60px;
    height:1px;
    background:#111;
    margin:14px auto 0;
    opacity:.6;
}

/* KEYWORDS */

.back-keywords{
    list-style:none;
    padding:0;
    margin-top:18px;
    font-size:12px;
    letter-spacing:3px;
    text-transform:uppercase;
    font-weight:600;
}

.back-keywords li{
    margin:6px 0;
}

/* REVERSED */

.card.is-reversed{
    transform:rotateZ(180deg);
}

.card.flipped.is-reversed .card-inner{
    transform:rotateY(180deg) rotateZ(180deg);
}

.card.flipped:not(.is-reversed) .card-inner{
    transform:rotateY(180deg);
}

/* TOGGLE (СТРЕЛКА) */

.card-toggle{
    display:flex;
    justify-content:center;
    padding:10px;
    cursor:pointer;
    margin-top:6px;
}

/* ARROW */

.arrow{
    width:12px;
    height:12px;
    border-left:2px solid #fff;
    border-bottom:2px solid #fff;
    transform:rotate(-45deg);
    transition:transform .3s;
}

/* OPEN STATE */

.card-wrap.open .arrow{
    transform:rotate(135deg);
}

/* FULL TEXT */
.card-full{
    display:none;

    background:#151518;
    border-radius:12px;
    padding:14px 16px;

    font-size:13px;
    line-height:1.5;
    color:var(--muted);

    border:1px solid rgba(255,255,255,0.05);
}

.card-wrap.open .card-full{
    display:block;
}


/* делаем нормальную стрелку */

.card-wrap.open .arrow{
    transform:rotate(135deg);
}
.reading-header{
    position:fixed;
    top:20px;
    left:50%;
    transform:translateX(-50%);
    z-index:1000;
}

.reading-start-btn{
    background:#1f1f23;
    color:#fff;
    border:1px solid rgba(255,255,255,0.1);
    padding:10px 18px;
    border-radius:10px;
    font-size:14px;
    cursor:pointer;
    transition:.2s;
}

.reading-start-btn:hover{
    background:#2a2a2f;
    transform:translateY(-1px);
}
/* QUESTION BLOCK */

.question-box{
    width:100%;
    max-width:600px;
    margin:80px auto 30px;
    display:flex;
    gap:10px;
}

.question-input{
    flex:1;
    padding:12px 14px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,0.08);
    background:#151518;
    color:#fff;
    font-size:14px;
    outline:none;
}

.question-input::placeholder{
    color:#777;
}

#askBtn{
    padding:12px 16px;
    border:none;
    border-radius:10px;
    background:#1f1f23;
    color:#fff;
    cursor:pointer;
    font-size:14px;
    transition:.2s;
}

#askBtn:hover{
    background:#2a2a2f;
}
/* центрируем question отдельно */
.question-box{
    width:100%;
    max-width:600px;
    margin:0 auto 40px;
    display:flex;
    gap:10px;
}

/* центрируем карты */
.cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    width:100%;
    max-width:1100px;
    margin:0 auto;
}
@media(max-width:900px){
    .cards{
        grid-template-columns:1fr;
    }
}
.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
    gap:24px;
    max-width:1100px;
    margin:0 auto;
}
.ai-result{
    max-width:1000px;
    margin:40px auto;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:20px;
}

.ai-block{
    background:#151518;
    padding:18px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,0.05);
}

.ai-title{
    font-size:12px;
    letter-spacing:2px;
    text-transform:uppercase;
    color:#aaa;
    margin-bottom:8px;
}

.ai-text{
    font-size:14px;
    line-height:1.6;
    color:#ddd;
}
@media(max-width:900px){
    .ai-result{
        grid-template-columns:1fr;
    }
}
/* CONCLUSION BLOCK */

.ai-result{
    max-width:900px;
    margin:30px auto 0;
}

.ai-conclusion{
    background:#151518;
    border-radius:14px;
    padding:20px;
    border:1px solid rgba(255,255,255,0.06);
}

.ai-conclusion-title{
    font-size:12px;
    letter-spacing:2px;
    text-transform:uppercase;
    color:#aaa;
    margin-bottom:10px;
}

.ai-conclusion-text{
    font-size:14px;
    line-height:1.6;
    color:#ddd;
}
.loader{
    text-align:center;
    margin-bottom:20px;
    opacity:0.8;
}
.hero{
    width:100%;
    display:flex;
    justify-content:center;
    margin-bottom:40px;
}

.hero img{
    width:100%;
    max-width:900px;
    border-radius:12px;
    opacity:0.9;
}
.loader{
    display:none; /* ВАЖНО */
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;

    background:rgba(0,0,0,0.85);
    z-index:9999;

    align-items:center;
    justify-content:center;
    flex-direction:column;
}
.loader-cards{
    display:flex;
    gap:12px;
    margin-bottom:20px;
}

.loader-card{
    width:60px;
    height:90px;
    background:#111;
    border:2px solid #d4af37;
    border-radius:6px;
    animation: shuffle 1s infinite;
}

.loader-card:nth-child(2){
    animation-delay:0.2s;
}

.loader-card:nth-child(3){
    animation-delay:0.4s;
}

@keyframes shuffle{
    0%{ transform: translateY(0); }
    50%{ transform: translateY(-20px); }
    100%{ transform: translateY(0); }
}

.loader-text{
    color:#fff;
    font-size:14px;
    opacity:0.7;
}
.ai-result{
    margin-top:40px;
    display:flex;
    justify-content:center;
}

.ai-conclusion{
    width:100%;
    max-width:700px;

    background:linear-gradient(135deg,#1a1a1f,#0f0f13);
    border:1px solid rgba(255,255,255,0.08);

    padding:28px;
    border-radius:14px;

    position:relative;
}

/* золотая линия сверху */
.ai-conclusion::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:2px;
    background:linear-gradient(to right,#d4af37,transparent);
}

/* заголовок */
.ai-conclusion-title{
    font-size:14px;
    letter-spacing:2px;
    text-transform:uppercase;
    color:#d4af37;
    margin-bottom:14px;
}

/* текст */
.ai-conclusion-text{
    font-size:15px;
    line-height:1.6;
    color:#ddd;
}
.question-input{
    font-size:16px;
}
.question-modal{
    position:fixed;
    inset:0;

    background:rgba(0,0,0,0.75);

    display:none;
    align-items:center;
    justify-content:center;

    z-index:99999;
    padding:20px;
}

.question-modal-box{
    width:100%;
    max-width:420px;

    background:#111116;
    border:1px solid rgba(255,255,255,0.08);

    border-radius:18px;
    padding:28px;

    box-shadow:0 20px 60px rgba(0,0,0,0.5);
}

.question-modal-title{
    font-size:22px;
    color:#d4af37;
    margin-bottom:18px;
}

.question-modal-text{
    color:#d7d7d7;
    line-height:1.7;
    font-size:15px;
}

.question-modal-btn{
    margin-top:24px;
    width:100%;

    height:48px;
    border:none;
    border-radius:12px;

    background:#d4af37;
    color:#111;

    font-size:15px;
    font-weight:600;

    cursor:pointer;
}


.pdf-btn{
    height:48px;
    padding:0 26px;

    border:none;
    border-radius:12px;

    background:#d4af37;
    color:#111;

    font-size:15px;
    font-weight:600;

    cursor:pointer;

    transition:0.2s;
}

.pdf-btn:hover{
    transform:translateY(-2px);
}
.pdf-mode .card{
    transform:none !important;
}

.pdf-mode .card-inner{
    transform:none !important;
}

.pdf-mode .card-back{
    display:none !important;
}

.pdf-mode .card-front{
    display:flex !important;
    transform:none !important;
    backface-visibility:visible !important;
}

.pdf-mode .card-face{
    backface-visibility:visible !important;
}
.pdf-actions{
    display:none;
    margin-top:30px;
    justify-content:center;
    width:100%;
}
@media print {

    html,
    body{
        height:auto !important;
        min-height:auto !important;
        overflow:visible !important;
        background:#fff !important;
    }

    body{
        margin:0 !important;
        padding:0 !important;
    }

    *{
        overflow:visible !important;
        box-shadow:none !important;
    }

    .app{
        min-height:auto !important;
        padding:20px !important;
    }

    .reading-header,
    .loader,
    .question-modal,
    .pdf-actions,
    .card-toggle,
    .reading-start-btn,
    .question-box{
        display:none !important;
    }

    .hero{
        margin-bottom:30px !important;
    }

    .hero img{
        max-width:100% !important;
        page-break-inside:avoid;
    }

    .cards{
        display:grid !important;
        grid-template-columns:repeat(3,1fr) !important;
        gap:20px !important;
        width:100% !important;
        max-width:none !important;
    }

    .card-wrap{
        break-inside:avoid;
        page-break-inside:avoid;
    }

    .card{
        transform:none !important;
        break-inside:avoid;
        page-break-inside:avoid;
    }

    .card-inner{
        transform:none !important;
    }

    .card-front{
        display:flex !important;
    }

    .card-back{
        display:none !important;
    }

    .card-full{
        display:block !important;
        color:#000 !important;
        background:#fff !important;
        border:1px solid #ddd !important;
    }

    .ai-result{
        display:block !important;
        margin-top:40px !important;
    }

    .ai-conclusion{
        max-width:none !important;
        background:#fff !important;
        color:#000 !important;
        border:1px solid #ccc !important;
        break-inside:avoid;
        page-break-inside:avoid;
    }

    .ai-conclusion-title,
    .ai-conclusion-text{
        color:#000 !important;
    }

    @page{
        size:auto;
        margin:12mm;
    }
}
.site-footer{
    position:fixed;
    left:0;
    bottom:0;
    width:100%;
    z-index:999;
    padding:14px 18px calc(14px + env(safe-area-inset-bottom));
    background:rgba(8,8,12,.92);
    backdrop-filter:blur(12px);
    border-top:1px solid rgba(255,255,255,.08);
    }
    
    .site-footer-inner{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:14px;
    max-width:700px;
    margin:0 auto;
    }
    
    .footer-link{
    display:flex;
    align-items:center;
    justify-content:center;
    height:46px;
    padding:0 22px;
    border-radius:14px;
    text-decoration:none;
    font-size:14px;
    font-weight:600;
    letter-spacing:.04em;
    color:#fff;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.08);
    transition:.2s ease;
    }
    
    .footer-link:hover{
    background:rgba(255,255,255,.12);
    transform:translateY(-1px);
    }
    
    body{
    padding-bottom:100px;
    }
    .share-reading-link{
        margin-top:24px;
        text-align:center;
        }
        
        .share-reading-link a{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        padding:14px 20px;
        border-radius:14px;
        background:#ffffff;
        color:#000;
        font-weight:700;
        text-decoration:none;
        font-size:14px;
        }
        .share-box{
            display:flex;
            flex-direction:column;
            gap:12px;
            width:100%;
            max-width:420px;
            margin:0 auto;
            }
            
            .share-input{
            width:100%;
            height:52px;
            padding:0 16px;
            border-radius:14px;
            border:1px solid rgba(255,255,255,.08);
            background:#121218;
            color:#fff;
            font-size:14px;
            outline:none;
            }
            
            .share-copy-btn{
            height:52px;
            border:none;
            border-radius:14px;
            background:#fff;
            color:#000;
            font-weight:700;
            font-size:14px;
            cursor:pointer;
            transition:.2s ease;
            }
            
            .share-copy-btn:hover{
            transform:translateY(-1px);
            }