/* ==========================================================================
   Global Reset & Base Variables
   ========================================================================== */
:root {
    --color-bg: #1c1d1d;
    --color-card-bg: #ffffff;
    --color-lime: #DFFFB3;
    --color-lime-text: #404D2D;
    --color-lime-30: rgba(223, 255, 179, 0.3);
    
    --color-text-dark: #191c1c;
    --color-text-muted: #5c6061;
    --color-item-bg: #f4f6f0;
    --color-item-border: #e2e6db;

    --radius-pill: 64px;
    --radius-card: 24px;
    --radius-item: 16px;
    
    --font-main: "Google Sans Flex", "Google Sans", system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    background-color: transparent; /* Было: var(--color-bg) */
    font-family: var(--font-main);
    font-weight: 400;
    color: var(--color-text-dark);
    overflow: hidden;
}

button svg {
    cursor: pointer !important;
}

.header-container,
.site-layout {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Header Bar (Max Width 1280px, Height ~80px)
   ========================================================================== */
.header-container {
    width: 100%;
    max-width: 1280px;
    margin: 16px auto 0 auto;
    padding: 0 16px;
    display: flex;
    justify-content: center;
}

.header-bar {
    width: 100%;
    height: 76px;
    background-color: var(--color-card-bg);
    border-radius: var(--radius-card);
    -webkit-backdrop-filter: blur(2px) saturate(180%);
    backdrop-filter: blur(2px) saturate(180%);
    display: flex;
    align-items: center;
    padding: 8px 12px 8px 28px;
    gap: 12px;
}

.header-logo {
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--color-text-dark);
    user-select: none;
    cursor: pointer;
    white-space: nowrap;
    margin-right: 12px;
}

.header-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-lime);
    color: var(--color-lime-text);
    border: none;
    outline: none;
    border-radius: var(--radius-pill);
    height: 52px;
    padding: 0 28px 0 20px;
    font-family: var(--font-main);
    font-size: 24px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.15s ease;
}

.header-breadcrumb:hover {
    background-color: #d4f7a3;
}

.header-breadcrumb .arrow {
    font-size: 18px;
    line-height: 1;
    height: 24px;
}

.header-search-wrap {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: auto;
    width: 100%;
    max-width: 380px;
}

.search-icon {
    position: absolute;
    left: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 2;
}

.search-icon svg {
    display: block;
}

#search-bar {
    width: 100%;
    height: 52px;
    background-color: var(--color-lime);
    border: none;
    outline: none;
    border-radius: var(--radius-pill);
    padding: 0 20px 0 54px;
    font-family: var(--font-main);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-lime-text);
    transition: background-color 0.15s ease;
}

#search-bar::placeholder {
    color: var(--color-lime-text);
    opacity: 0.85;
}

#search-bar:focus {
    background-color: #d7fca7;
}

.header-avatar-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: var(--color-lime);
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color 0.15s ease;
}

.header-avatar-btn:hover {
    background-color: #d4f7a3;
}

.avatar-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--color-lime-text);
    opacity: 0.8;
}

/* ==========================================================================
   Main Body Layout (Max Width 900px)
   ========================================================================== */
.site-layout {
    width: 100%;
    max-width: 900px;
    height: calc(100vh - 110px);
    margin: 16px auto 0 auto;
    padding: 0 16px 16px 16px;
    display: flex;
    gap: 20px;
    align-items: stretch;
}

/* --- Left Side Navigation --- */
.side-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 10px;
    width: 110px;
    flex-shrink: 0;
}

.side-nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: none;
    outline: none;
    color: #e2e2e2;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.side-nav-btn .nav-dot {
    width: 12px;
    height: 12px;
    background-color: #4b5240;
    flex-shrink: 0;

    clip-path: polygon(
        50.0% 4.0%, 73.0% 10.2%, 89.8% 27.0%, 96.0% 50.0%, 
        89.8% 73.0%, 73.0% 89.8%, 50.0% 96.0%, 27.0% 89.8%, 
        10.2% 73.0%, 4.0% 50.0%, 10.2% 27.0%, 27.0% 10.2%
    );

    transform: rotate(0deg) scale(1);
    transition: 
        clip-path 0.4s cubic-bezier(0.34, 1.45, 0.64, 1),
        transform 0.4s cubic-bezier(0.34, 1.45, 0.64, 1),
        background-color 0.25s ease;
}

.side-nav-btn.active .nav-dot {
    background-color: var(--color-lime);

    transform: rotate(90deg) scale(1.15);

    clip-path: polygon(
        37.7% 13.7%, 44.5% 9.0%, 55.5% 9.0%, 62.3% 13.7%, 
        87.0% 60.5%, 87.5% 70.1%, 81.2% 79.1%, 73.4% 81.9%, 
        26.6% 81.9%, 18.8% 79.1%, 12.5% 70.1%, 13.0% 60.5%
    );
}

.side-nav-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.side-nav-btn.active {
    background-color: var(--color-lime-30);
    color: var(--color-lime);
}

.side-nav-btn.active .nav-dot {
    background-color: var(--color-lime);
}

/* --- Right White Container with Internal Scroll --- */
.main-card-viewport {
    flex: 1;
    background-color: var(--color-card-bg);
    border-radius: var(--radius-card);
    -webkit-backdrop-filter: blur(2px) saturate(180%);
    backdrop-filter: blur(2px) saturate(180%);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card-content-scroll {
    width: 100%;
    height: 100%;
    overflow-y: scroll;
    padding: 28px 24px 36px 28px;
}

.card-content-scroll::-webkit-scrollbar {
    width: 6px;
}

.card-content-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.card-content-scroll::-webkit-scrollbar-thumb {
    background-color: var(--color-lime);
    border-radius: 6px;
}

.card-content-scroll::-webkit-scrollbar-thumb:hover {
    background-color: #c4ec94;
}

/* ==========================================================================
   Views & Content Elements
   ========================================================================== */
.content-view {
    display: none;
}

.content-view.visible {
    display: block;

    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
    border-bottom: 1px solid #edf0ea;
    padding-bottom: 12px;
}

.section-heading h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.section-heading .counter {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* --- Project Card Item --- */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.project-item {
    background-color: var(--color-item-bg);
    border: 1px solid var(--color-item-border);
    border-radius: var(--radius-item);
    padding: 16px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

/* ==========================================================================
   Project Thumbnail & Image Fitting
   ========================================================================== */
.project-thumb {
    width: 56px;
    height: 56px;
    min-width: 56px;
    min-height: 56px;
    flex-shrink: 0;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    background: rgba(223, 255, 179, 0.12);
    border: 1px solid rgba(223, 255, 179, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    font-size: 26px;
    user-select: none;
}

.project-thumb-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
    border-radius: inherit;
    transform: scale(1.01);
}

.project-thumb.is-contain .project-thumb-img {
    object-fit: contain;
    padding: 8px;
}

.placeholder-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    background-color: #e5eadc;
}

.project-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.project-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.project-info p {
    font-size: 14px;
    line-height: 1.45;
    color: var(--color-text-muted);
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background-color: #ffffff;
    border: 1px solid #d2d8c9;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-dark);
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.action-btn:hover {
    background-color: #f0f2eb;
    border-color: #bcc3b1;
}

.action-btn.accent {
    background-color: var(--color-lime);
    color: var(--color-lime-text);
    border-color: transparent;
}

.action-btn.accent:hover {
    background-color: #d4f7a3;
}

/* --- Blog View --- */
.blog-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.blog-card {
    background-color: var(--color-item-bg);
    border: 1px solid var(--color-item-border);
    border-radius: var(--radius-item);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.blog-card h3 a {
    color: var(--color-text-dark);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
}

.blog-card h3 a:hover {
    color: var(--color-lime-text);
}

.blog-meta-row {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--color-text-muted);
}

.project-tags {
    display: flex;
    gap: 12px;
    font-size: x-small;
}

.blog-tag {
    background-color: var(--color-lime-30);
    color: var(--color-lime-text);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-weight: 500;
    border: 1px solid #d2d8c9;
}

/* --- About View --- */
.about-card-inner {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-header {
    display: flex;
    align-items: center;
    gap: 18px;
}

.about-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-lime);
}

.about-title-wrap h2 {
    font-size: 22px;
    font-weight: 600;
}

.about-subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.about-text-content {
    font-size: 15px;
    line-height: 1.6;
    color: #383c3d;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-section-block h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.skills-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-chip {
    background-color: var(--color-item-bg);
    border: 1px solid var(--color-item-border);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-dark);
}

.contact-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    background-color: var(--color-item-bg);
    border: 1px solid var(--color-item-border);
    border-radius: var(--radius-item);
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.contact-card:hover {
    background-color: var(--color-lime-30);
}

.contact-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-lime-text);
}

.contact-val {
    font-size: 14px;
    color: var(--color-text-dark);
    margin-top: 2px;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 768px) {
    html, body {
        overflow: auto;
    }

    .header-bar {
        display: flex;
        height: auto;
        padding: 10px 14px;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .header-logo {
        font-size: 18px;
    }

    .header-breadcrumb {
        height: 42px;
        padding: 0 16px 0 12px;
        font-size: 14px;
    }

    .header-search-wrap {
        order: 4;
        width: 100%;
        max-width: 100%;
        margin-top: 6px;
    }

    .search-icon {
        left: 14px;
    }

    .search-icon svg {
        width: 20px;
        height: 20px;
    }

    #search-bar {
        max-width: 100%;
        height: 44px;
        font-size: 14px;
        padding: 0 16px 0 44px;
    }

    .header-avatar-btn {
        width: 42px;
        height: 42px;
    }

    .site-layout {
        flex-direction: column;
        height: auto;
        padding: 0 12px 24px 12px;
    }

    .side-nav {
        display: flex;
        justify-content: center;
        flex-direction: row;
        width: 100%;
        overflow-x: auto;
        padding-top: 0;
        gap: 6px;
    }

    .main-card-viewport {
        height: auto;
        min-height: 500px;
    }

    .card-content-scroll {
        overflow-y: visible;
        padding: 20px 16px;
    }

    .project-item {
        flex-direction: column;
        align-items: stretch;
    }

    .project-thumb {
        width: 100%;
        height: 140px;
    }
}