/* LibreFolio Documentation Theme */

:root {
    /* Brand Colors from Frontend */
    --md-primary-fg-color: #1a4031; /* libre-green */
    --md-primary-bg-color: #f5f4ef; /* libre-beige */
    --md-accent-fg-color: #5a947c;  /* primary-400 */

    --md-sidebar-width: 12rem;
}

/* Dark mode overrides */
[data-md-color-scheme="slate"] {
    --md-primary-fg-color: #5a947c; /* Lighter green for dark mode */
    --md-primary-bg-color: #111111; /* libre-dark */
}

/* --- LAYOUT & WIDTH --- */

.md-grid {
    max-width: 96% !important;
    margin-right: auto;
    margin-left: auto;
}

/* --- PAGE CONTENT --- */

/* H1 Style - Gradient Background, Full Width, Centered */
.md-typeset h1 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    padding: 0.8rem 1rem;
    color: white;
    background: linear-gradient(135deg, var(--md-primary-fg-color) 0%, var(--md-accent-fg-color) 100%);
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: block; /* Full width */
    width: 100%;
    text-align: center; /* Centered text */
    box-sizing: border-box; /* Include padding in width */
}

/* --- LEFT SIDEBAR (Navigation) --- */

/* LEVEL 1: Main Sections - Gradient Style, Centered */
.md-nav--primary > .md-nav__list > .md-nav__item--section > .md-nav__link {
    font-size: 0.95rem !important; /* Reduced size */
    font-weight: 800 !important;
    color: white !important;
    background: linear-gradient(135deg, var(--md-primary-fg-color) 0%, var(--md-accent-fg-color) 100%);
    border-radius: 4px;
    margin-top: 1.2rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-bottom: none;
    text-align: center; /* Centered text */
    display: block; /* Ensure block display for centering */
}

/* LEVEL 2: Sub-sections */
.md-nav__item--nested > .md-nav__link {
    font-weight: 700;
    color: var(--md-default-fg-color);
    margin-top: 0.5rem;
}

/* Specific styling for Level 2 headers */
.md-nav--primary > .md-nav__list > .md-nav__item--section > .md-nav > .md-nav__list > .md-nav__item--section > .md-nav__link {
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    color: var(--md-primary-fg-color) !important;
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    margin-top: 0.8rem;
    margin-bottom: 0.3rem;
    padding-bottom: 0.2rem;
    text-transform: none;
    background: none;
    box-shadow: none;
    padding-left: 0;
    text-align: left; /* Keep level 2 left-aligned */
}

/* Active link styling */
.md-nav__item .md-nav__link--active {
    font-weight: bold;
    border-left: 3px solid var(--md-primary-fg-color);
    padding-left: 0.5rem;
    background-color: rgba(0,0,0,0.03);
}

/* --- RIGHT SIDEBAR (Table of Contents) --- */

.md-sidebar--secondary {
    font-size: 0.85rem;
}

/* --- EXTRAS --- */

.mermaid {
    background-color: var(--md-code-bg-color);
    padding: 1rem;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    overflow-x: auto;
}

/* --- HOMEPAGE STYLES --- */

/* Animated Background */
.animated-bg {
    position: fixed;
    inset: 0;
    z-index: -1; /* Behind content */
    /* background-color: #f5f4ef;  Removed to let theme bg show through if needed, or set explicitly */
    overflow: hidden;
    pointer-events: none; /* Allow clicking through */
}

.wave {
    position: absolute;
    bottom: 0;
    left: -5%;
    width: 110%;
    height: 60%;
    background: linear-gradient(to top, #9caf9c, transparent);
    transform-origin: bottom center;
    opacity: 0.25;
}

/* Dark mode waves */
[data-md-color-scheme="slate"] .wave {
    background: linear-gradient(to top, #00ff9a, transparent);
    opacity: 0.15;
}

.wave-1 {
    animation: wave1 12s ease-in-out infinite;
    clip-path: polygon(0% 100%, 0% 60%, 15% 55%, 30% 65%, 45% 50%, 60% 60%, 75% 45%, 90% 55%, 100% 40%, 100% 100%);
}

.wave-2 {
    opacity: 0.18;
    animation: wave2 16s ease-in-out infinite;
    clip-path: polygon(0% 100%, 0% 70%, 20% 60%, 40% 70%, 60% 55%, 80% 65%, 100% 50%, 100% 100%);
}

.wave-3 {
    opacity: 0.12;
    animation: wave3 20s ease-in-out infinite;
    clip-path: polygon(0% 100%, 0% 55%, 25% 65%, 50% 50%, 75% 60%, 100% 45%, 100% 100%);
}

@keyframes wave1 {
    0%, 100% { transform: scaleY(1); }
    25% { transform: scaleY(1.15); }
    50% { transform: scaleY(0.9); }
    75% { transform: scaleY(1.1); }
}

@keyframes wave2 {
    0%, 100% { transform: scaleY(1); }
    33% { transform: scaleY(1.2); }
    66% { transform: scaleY(0.85); }
}

@keyframes wave3 {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.25); }
}

.chart-svg {
    position: absolute;
    bottom: 40%;
    left: 0;
    width: 100%;
    height: 30%;
}

.chart-line {
    opacity: 0;
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    stroke: #1a4031;
    stroke-width: 2;
    fill: none;
}

/* Dark mode chart lines */
[data-md-color-scheme="slate"] .chart-line {
    stroke: #4ade80;
}

.line-1 { animation: drawAndFade 12s ease-in-out infinite; }
.line-2 { animation: drawAndFade 12s ease-in-out infinite; animation-delay: 4s; }
.line-3 { animation: drawAndFade 12s ease-in-out infinite; animation-delay: 8s; }

@keyframes drawAndFade {
    0% { stroke-dashoffset: 2000; opacity: 0; }
    5% { opacity: 0.15; }
    30% { stroke-dashoffset: -0; }
    55% { opacity: 0.15; }
    60% { stroke-dashoffset: -2000; opacity: 0; }
}

/* Home Header Adjustments for Animation */
.home-header {
    display: flex;
    align-items: flex-start; /* Align top */
    gap: 3rem;
    margin-bottom: 3rem;
    margin-top: 2rem;
    position: relative; /* Ensure z-index works if needed */
    z-index: 1;
    max-width: 1200px; /* Match grid cards width */
    margin-left: auto;
    margin-right: auto;
}

.home-logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    flex-shrink: 0; /* Prevent shrinking */
}

.home-logo img {
    width: 250px; /* Increased width */
    height: auto;
}

.home-content {
    flex-grow: 1;
    padding-top: 1rem;
}

.home-content h1 {
    margin-top: 0;
    background: none; /* Override default H1 style for home */
    color: var(--md-default-fg-color);
    box-shadow: none;
    padding: 0;
    font-size: 3rem;
    text-align: left; /* Left align for home header */
    width: auto;
    display: block;
}

.home-content h2 {
    margin-top: 0.5rem;
    color: var(--md-accent-fg-color);
    font-weight: 600;
    font-size: 1.5rem;
}

.mission {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--md-default-fg-color--light);
    margin-top: 1.5rem;
}

/* Asset Icons Grid */
.asset-icons {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 columns */
    gap: 1.5rem;
    margin-top: 2rem;
    max-width: 600px; /* Limit width to keep them together */
}

.asset-icon-link {
    text-decoration: none !important;
    color: inherit !important;
    display: block;
}

.asset-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    color: var(--md-default-fg-color--light);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;

    /* Card Styling */
    background-color: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 12px;
    padding: 1rem;
    width: 100%; /* Fill grid cell */
    height: 110px; /* Increased height */
    transition: all 0.2s ease-in-out;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.asset-icon:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-color: var(--md-accent-fg-color);
    background-color: var(--md-primary-bg-color);
    color: var(--md-primary-fg-color);
}

.asset-icon img {
    width: 40px; /* Slightly larger icon */
    height: 40px;
    object-fit: contain;
}

/* Clickable Cards */
.grid.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 2 columns */
    gap: 1.5rem;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
    max-width: 1200px; /* Limit width */
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 600px) {
    .grid.cards {
        grid-template-columns: 1fr; /* 1 column on mobile */
    }

    .asset-icons {
        grid-template-columns: repeat(2, 1fr); /* 2 columns on mobile */
    }
}

.card-link {
    display: flex;
    flex-direction: row; /* Horizontal layout */
    align-items: flex-start; /* Align top */
    padding: 1.5rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 0.8rem;
    background-color: var(--md-default-bg-color);
    text-decoration: none !important;
    color: var(--md-default-fg-color) !important;
    transition: all 0.2s ease-in-out;
    height: 100%;
    position: relative;
    overflow: hidden;
    gap: 1.5rem; /* Space between icon and text */
}

/* Hover Effect */
.card-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: var(--md-accent-fg-color);
    background-color: var(--md-primary-bg-color); /* Use brand beige on hover */
}

/* Icon styling */
.card-icon {
    flex-shrink: 0;
    color: var(--md-primary-fg-color);
    transition: transform 0.2s;
    padding-top: 0.2rem; /* Align with title */
}

.card-link:hover .card-icon {
    transform: scale(1.1);
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--md-primary-fg-color);
    display: block;
}

.card-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--md-default-fg-color--light);
    display: block;
}

/* Responsive Home Header */
@media screen and (max-width: 768px) {
    .home-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .home-content h1 {
        text-align: center;
    }

    .card-link {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .asset-icons {
        justify-content: center;
    }
}