/* assets/css/templates/paper.css */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,600;1,400&family=Inter:wght@400;500;600&display=swap');

.tpl-paper {
    --paper-bg: #fafaf9;
    --paper-ink: #1c1917;
    --paper-accent: #78716c;
    --paper-border: #e7e5e4;
    --accent: var(--paper-ink);
    
    background-color: var(--paper-bg);
    color: var(--paper-ink);
    font-family: 'Inter', sans-serif;
    position: relative;
    overflow-x: hidden;
    width: 100%;
}

/* Paper Grain Texture */
.tpl-paper::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    mix-blend-mode: multiply;
}

/* Disable Background Orbs for Paper */
.tpl-paper::after {
    display: none;
    content: none;
}

.tpl-paper .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header Refinement */
.paper-top-bar {
    padding: 2rem 0 0;
    position: relative;
    z-index: 1001;
}

.paper-header {
    padding: 4rem 0 4rem;
    text-align: center;
}

.paper-logo {
    max-height: 80px;
    margin-bottom: 3rem;
    filter: grayscale(1) contrast(1.1);
    opacity: 0.9;
}

.paper-header h1 {
    font-family: 'Crimson Pro', serif;
    font-size: 3rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    color: var(--paper-ink);
}

.divider {
    width: 60px;
    height: 1px;
    background: var(--paper-ink);
    margin: 0 auto;
    opacity: 0.3;
}

/* Category Navigation - Portable Capsule Logic */
.tpl-paper .category-nav {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.tpl-paper .category-nav-scroll-container {
    position: relative;
    max-width: fit-content;
    margin: 0 auto;
}

/* Mobile Capsule Styles */
@media (max-width: 768px) {
    .tpl-paper .category-nav {
        position: fixed;
        bottom: 2rem;
        top: auto;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 450px;
        padding: 0;
        z-index: 1100;
    }
    .paper-header { padding: 4rem 0 2rem; }

    .tpl-paper .category-nav-scroll-container {
        background: #fff;
        border: 1px solid var(--paper-border);
        border-radius: 99px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        padding: 8px;
        overflow: hidden;
    }

    .tpl-paper .category-nav-inner {
        padding: 0 2.5rem;
        gap: 0.5rem;
    }

    .tpl-paper .category-nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        color: var(--paper-accent);
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-weight: 600;
        text-decoration: none;
        border-radius: 99px;
        white-space: nowrap;
    }

    .tpl-paper .category-nav-link.is-active {
        background: var(--paper-ink);
        color: #fff;
    }

    /* Arrow Buttons */
    .tpl-paper .nav-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 10;
        background: transparent;
        border: none;
        color: var(--paper-ink);
        padding: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .tpl-paper .nav-arrow-left { left: 4px; }
    .tpl-paper .nav-arrow-right { right: 4px; }

    .tpl-paper .nav-arrow svg { width: 16px; height: 16px; }

    .tpl-paper .nav-mask-left,
    .tpl-paper .nav-mask-right {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 40px;
        pointer-events: none;
        z-index: 2;
    }

    .tpl-paper .nav-mask-left { left: 0; background: linear-gradient(to right, #fff, transparent); }
    .tpl-paper .nav-mask-right { right: 0; background: linear-gradient(to left, #fff, transparent); }
}

/* Desktop Polish */
@media (min-width: 769px) {
    .tpl-paper .paper-nav {
        background: rgba(250, 250, 249, 0.95);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--paper-border);
    }
    .tpl-paper .category-nav-link {
        color: var(--paper-accent);
        text-transform: uppercase;
        letter-spacing: 0.15em;
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
        text-decoration: none;
        background: transparent;
        border-radius: 0;
    }
    .tpl-paper .category-nav-link.is-active,
    .tpl-paper .category-nav-link[aria-current="true"] {
        color: var(--paper-ink);
        background: transparent;
        font-weight: 600;
        border-bottom: 2px solid var(--paper-ink);
        box-shadow: none;
    }
    .tpl-paper .nav-arrow { display: none; }
}

/* Section & Item Refinement */
.paper-section {
    padding: 6rem 0;
}

.section-title {
    font-family: 'Crimson Pro', serif;
    font-size: 2.25rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--paper-ink);
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 30px;
    height: 1px;
    background: var(--paper-ink);
    margin: 1rem auto;
    opacity: 0.5;
}

.paper-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.paper-item {
    border-bottom: 1px solid var(--paper-border);
    padding-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeInUpPaper 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes fadeInUpPaper {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.paper-item-image {
    width: 100%;
    height: 400px;
    background: #f1f1f1;
    border: 1px solid var(--paper-border);
    overflow: hidden;
}

.paper-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: multiply;
    opacity: 0.85;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.paper-item:hover .paper-item-image img {
    transform: scale(1.05);
}

.paper-item-top h3 {
    font-size: 1.75rem;
    font-weight: 500;
    font-family: 'Crimson Pro', serif;
}

.price-minimal {
    font-family: 'Crimson Pro', serif;
    font-style: italic;
    font-size: 1.5rem;
    color: var(--paper-ink);
}

.description-minimal {
    font-size: 1rem;
    color: #444;
    line-height: 1.8;
}

.ingredients-minimal {
    font-size: 0.85rem;
    color: var(--paper-accent);
    font-style: italic;
    background: #f5f5f4;
    padding: 0.75rem 1rem;
    border-left: 2px solid var(--paper-border);
}

/* Macro Styling */
.macros-minimal summary {
    font-size: 0.8rem;
    color: var(--paper-accent);
    padding: 0.5rem 0;
    border-bottom: 1px solid transparent;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.macros-minimal summary::-webkit-details-marker {
    display: none;
}

.icon-chevron-paper {
    width: 12px;
    height: 12px;
    opacity: 0.7;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.macros-minimal:hover .icon-chevron-paper {
    opacity: 1;
}

.macros-minimal[open] .icon-chevron-paper {
    transform: rotate(180deg);
    opacity: 1;
}

.macros-minimal summary {
    font-size: 0.85rem;
    color: var(--paper-ink); /* Darker for better contrast */
    padding: 0.6rem 1rem;
    border: 1px solid var(--paper-border);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    transition: all 0.2s;
    background: #fff;
}

.macros-minimal summary:hover {
    background: #fdfdfd;
    border-color: var(--paper-ink);
}

.macros-paper-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1.5rem;
    background: #fdfdfd;
    border: 1px solid var(--paper-border);
    border-top: none;
    animation: fadeInPaper 0.4s ease-out;
}

.macro-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem;
    background: #fff;
    border: 1px solid #f2f2f1;
}

.macro-val {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--paper-ink);
    font-family: 'Crimson Pro', serif;
}

.macro-lab {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--paper-accent);
    font-weight: 600;
}

@media (min-width: 640px) {
    .macros-paper-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}


.paper-nav .back-to-marketing, 
.tpl-paper .back-to-marketing {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--paper-ink);
    padding: 0.6rem 1.2rem;
    background: #fff;
    border: 1px solid var(--paper-border);
    text-decoration: none;
    transition: all 0.2s;
}

.tpl-paper .back-to-marketing:hover {
    background: var(--paper-ink);
    color: #fff;
}

.paper-footer {
    padding: 8rem 0;
    opacity: 0.5;
}