:root {
    --netto-red: #E31B23;
    --netto-yellow: #FFD700;
    --bg-color: #1b1b1b;
    --card-bg: #ffffff;
    --text-color: #333;
    --price-red: #E31B23;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial Black', Gadget, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 10px;
}

.container {
    max-width: 1600px;
    width: 98vw;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: #fff;
    padding: 15px;
    border-radius: 0;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    border: 5px solid var(--netto-red);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--netto-red);
    margin: -15px -15px 10px -15px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 900;
    font-size: 36px;
}

.logo-boni {
    color: white;
    font-style: italic;
    text-shadow: 2px 2px 0px rgba(0,0,0,0.2);
}

.logo-nettorama {
    color: var(--netto-red);
    background-color: var(--netto-yellow);
    padding: 5px 15px;
    border-radius: 0;
    transform: skew(-10deg);
}

#print-btn {
    background-color: var(--netto-yellow);
    color: var(--netto-red);
    border: none;
    padding: 12px 25px;
    border-radius: 0;
    cursor: pointer;
    font-weight: 900;
    transition: transform 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
}

#print-btn:hover {
    transform: scale(1.05);
}

#back-btn {
    background-color: #fff;
    color: var(--netto-red);
    border: none;
    padding: 12px 20px;
    border-radius: 0;
    cursor: pointer;
    font-weight: 900;
    transition: transform 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    margin-right: 8px;
}

#back-btn:hover {
    transform: scale(1.05);
}

.controls {
    display: flex;
    align-items: center;
}

.folder-wrapper {
    position: relative;
    display: block;
    height: min(86vh, 920px);
    background: #f6f6f6;
    padding: 16px 74px;
    border: 3px solid var(--netto-red);
    overflow: hidden;
}

.nav-btn {
    background-color: var(--netto-red);
    border: none;
    width: 64px;
    height: 64px;
    border-radius: 0;
    cursor: pointer;
    font-size: 32px;
    color: white;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    box-shadow: 4px 4px 0px var(--netto-yellow);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.nav-btn:hover:not(:disabled) {
    background-color: #c0141b;
    transform: translateY(-50%) translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--netto-yellow);
}

.nav-btn:disabled {
    opacity: 0.1;
    cursor: not-allowed;
}

.nav-btn.left {
    left: 10px;
}

.nav-btn.right {
    right: 10px;
}

.folder {
    display: block;
    height: 100%;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    min-width: 0;
    border: 2px solid #d9d9d9;
    border-radius: 10px;
    background: #fff;
}

.page {
    display: none;
    height: 100%;
    background: white;
    padding: 18px;
    box-shadow: inset 0 0 100px rgba(0,0,0,0.05);
    border: none;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-gutter: stable;
}

.page.active {
    display: flex;
}

.page-title {
    text-align: center;
    font-size: clamp(26px, 3vw, 40px);
    color: white;
    background: var(--netto-red);
    padding: 10px;
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 10px;
    transform: rotate(-1deg);
}

/* Offers Grid */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    gap: 14px;
    height: auto;
    align-content: start;
}

.offer-card {
    border: 2px solid #eee;
    padding: 50px 10px 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 5px;
    transition: transform 0.2s;
    position: relative;
    background: #fff;
    min-height: 320px;
}

.offer-card:hover {
    border-color: var(--netto-red);
    z-index: 5;
}

.offer-card img {
    width: 100%;
    height: clamp(105px, 12vw, 170px);
    object-fit: contain;
}

.offer-name {
    font-weight: 900;
    font-size: clamp(12px, 1.05vw, 17px);
    color: #000;
    text-transform: uppercase;
    line-height: 1.2;
    margin: 5px 0;
}

.offer-price {
    background: var(--netto-yellow);
    color: var(--netto-red);
    font-size: clamp(24px, 2.5vw, 40px);
    font-weight: 900;
    padding: 5px;
    border: 3px solid var(--netto-red);
    display: inline-block;
    margin: 0 auto;
    min-width: 120px;
    transform: rotate(2deg);
}

.offer-action {
    background: var(--netto-red);
    color: white;
    padding: 7px 8px;
    font-size: clamp(10px, 0.9vw, 14px);
    font-weight: 900;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    text-transform: uppercase;
    line-height: 1.15;
}

/* Recipe Page Styles */
.recipe-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.recipe-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 8px;
}

.recipe-details h3 {
    margin-bottom: 15px;
    color: var(--netto-red);
    font-weight: 900;
    text-transform: uppercase;
    border-bottom: 3px solid var(--netto-yellow);
    display: inline-block;
}

.recipe-details ul {
    list-style: none;
    margin-bottom: 20px;
}

.recipe-details ul li {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

.recipe-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.recipe-meta span {
    background: var(--netto-yellow);
    color: var(--netto-red);
    border: 2px solid var(--netto-red);
    padding: 4px 8px;
    font-size: 12px;
}

.recipe-steps {
    margin: 0 0 12px 18px;
    line-height: 1.45;
}

.recipe-steps li {
    margin-bottom: 8px;
}

.recipe-source {
    display: inline-block;
    color: var(--netto-red);
    text-decoration: none;
    border-bottom: 2px solid var(--netto-yellow);
    font-size: 12px;
    padding-bottom: 2px;
}

footer {
    text-align: center;
    padding: 10px 0;
    color: #f0f0f0;
}

/* Cover Page Styles */
.cover-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 20px;
}

.cover-header {
    background: var(--price-red);
    color: white;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(227, 27, 35, 0.3);
}

.cover-header h1 {
    font-size: 48px;
    line-height: 0.9;
    font-family: 'Arial Black', Gadget, sans-serif;
}

.cover-header h1 span {
    font-size: 64px;
    color: var(--netto-yellow);
}

.cover-header p {
    margin-top: 10px;
    font-weight: 600;
}

.temporary-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: #fff;
    color: var(--netto-red);
    border: 2px solid var(--netto-red);
    font-size: 10px;
    font-weight: 900;
    padding: 4px 8px;
    text-transform: uppercase;
}

.page::-webkit-scrollbar {
    width: 12px;
}

.page::-webkit-scrollbar-track {
    background: #f2f2f2;
    border-left: 1px solid #ddd;
}

.page::-webkit-scrollbar-thumb {
    background: var(--netto-red);
    border: 2px solid #f2f2f2;
}

@media (max-width: 1280px) {
    .container {
        width: 99vw;
    }

    .folder-wrapper {
        padding: 12px 62px;
    }

    .nav-btn {
        width: 56px;
        height: 56px;
        font-size: 26px;
    }

    .nav-btn.left {
        left: 6px;
    }

    .nav-btn.right {
        right: 6px;
    }

    .offers-grid {
        gap: 10px;
    }
}

/* Recipe Tag */
.recipe-image {
    position: relative;
}

.recipe-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--netto-yellow);
    color: var(--netto-red);
    padding: 10px 20px;
    font-weight: 900;
    font-size: 20px;
    border: 3px solid var(--netto-red);
    box-shadow: 5px 5px 0px var(--netto-red);
    transform: rotate(-5deg);
}

/* Print Styling */
@media print {
    body {
        background: white;
        padding: 0;
    }
    .container {
        box-shadow: none;
        max-width: 100%;
        width: 100%;
        padding: 0;
        margin: 0;
    }
    header, footer, .nav-btn, .controls {
        display: none !important;
    }
    .folder-wrapper {
        display: block !important;
        background: white;
        padding: 0;
        height: auto;
        overflow: visible;
    }
    .folder {
        display: block !important;
        transform: none !important;
        width: 100%;
    }
    .page {
        display: block !important;
        opacity: 1 !important;
        page-break-after: always;
        border: 1px solid #eee;
        padding: 40px;
        margin-bottom: 20px;
        height: 1000px; /* Force height for print */
    }
    .offers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}