:root {
    color-scheme: dark;
    --bg: #15181d;
    --surface: #23272d;
    --surface-alt: #2c3138;
    --ink: #edf0f4;
    --muted: #a8afb9;
    --line: #3d434d;
    --accent: #ff7a59;
    --accent-soft: #2c201b;
    --contact-link: #0f7a86;
    --contact-link-hover: #1ea1ae;
    --menu-bg: rgba(35, 39, 45, 0.94);
    --menu-line: #4a5059;
    --menu-link: #b2b9c2;
    --menu-link-hover: #d2d7de;
    --menu-link-active: #f0f3f7;
    --ok: #48c78e;
    --error: #ff7998;
    --shadow: 0 14px 30px rgba(0, 0, 0, 0.34);
}

* {
    box-sizing: border-box;
}

button,
input,
select,
textarea {
    border-radius: 0;
}

body {
    margin: 0;
    font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(1000px 520px at 85% -20%, rgba(255, 255, 255, 0.06), transparent 50%),
        radial-gradient(960px 500px at -5% -20%, rgba(255, 255, 255, 0.03), transparent 45%),
        linear-gradient(180deg, #1a1d23 0%, var(--bg) 100%);
}

.container {
    width: min(100% - 2rem, 1320px);
    margin-inline: auto;
}

.site-header {
    border-bottom: 1px solid var(--menu-line);
    background: var(--menu-bg);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.header-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
}

.brand {
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: var(--ink);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-nav a {
    color: var(--menu-link);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    padding-bottom: 0.15rem;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav a:hover {
    color: var(--menu-link-hover);
    border-color: var(--menu-link-hover);
}

.site-nav a.active {
    color: var(--menu-link-active);
    border-color: var(--menu-link-active);
}

.content {
    padding: 2.2rem 0;
    display: grid;
    gap: 1.2rem;
}

section {
    background: linear-gradient(180deg, rgba(41, 45, 51, 0.94) 0%, rgba(33, 37, 43, 0.94) 100%);
    border: 0;
    border-radius: 0;
    padding: 1.25rem 1.3rem;
    box-shadow: none;
}

h1 {
    margin: 0 0 0.75rem;
    line-height: 1.18;
}

p {
    line-height: 1.55;
    margin: 0.4rem 0 0;
}

a {
    color: var(--accent);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.inline-form {
    margin: 0;
}

.portfolio-toolbar {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    display: flex;
    justify-content: flex-end;
}

.project-grid {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.95rem;
}

.project-card {
    position: relative;
    border: 0;
    border-radius: 0;
    overflow: hidden;
    background: #242930;
}

.project-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
    background: #1b1f25;
}

.project-cover {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    height: auto;
    object-fit: cover;
    background: #2b3138;
    transition: transform 0.35s ease, filter 0.35s ease;
}

.project-card-link:hover .project-cover {
    transform: scale(1.04);
    filter: saturate(1.05);
}

.project-card-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.project-cover-placeholder {
    background: linear-gradient(135deg, #373d45 0%, #242a31 100%);
}

.project-short-title {
    position: absolute;
    left: 0.8rem;
    right: 0.8rem;
    bottom: 0.8rem;
    color: #fff;
    font-weight: 700;
    font-size: clamp(1.05rem, 1.5vw, 1.3rem);
    text-align: center;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}

.project-detail-header {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.project-detail-header h1 {
    margin: 0;
    font-size: clamp(1.55rem, 2.6vw, 2.25rem);
}

.project-detail-header p {
    max-width: 82ch;
    color: var(--muted);
}

.back-link {
    font-size: 0.83rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
}

.back-link:hover {
    color: var(--ink);
}

.gallery-grid {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
}

.gallery-item {
    margin: 0;
    border: 0;
    border-radius: 0;
    overflow: hidden;
    background: #1d2127;
}

.gallery-item-button {
    display: block;
    width: 100%;
    border: 0;
    padding: 0;
    background: none;
    cursor: pointer;
}

.gallery-item-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.gallery-item img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 82vh;
    object-fit: contain;
    background: #111;
    transition: filter 0.2s ease;
}

.gallery-item-button:hover img {
    filter: brightness(1.05);
}

.gallery-lightbox {
    position: fixed;
    inset: 0;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 1rem;
    background: rgba(24, 27, 32, 0.88);
    z-index: 80;
    display: grid;
    place-items: center;
}

.gallery-lightbox[hidden] {
    display: none;
}

.gallery-lightbox-dialog {
    width: min(100%, 1160px);
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 0.7rem;
    align-items: center;
}

.gallery-lightbox-close {
    grid-column: 1 / -1;
    justify-self: end;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 0;
    background: rgba(49, 54, 62, 0.78);
    color: #fff;
    padding: 0.45rem 0.85rem;
    cursor: pointer;
    font: inherit;
}

.gallery-lightbox-nav {
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 0;
    background: rgba(49, 54, 62, 0.78);
    color: #fff;
    padding: 0.5rem 0.85rem;
    cursor: pointer;
    font: inherit;
}

.gallery-lightbox-close:hover,
.gallery-lightbox-nav:hover {
    background: rgba(59, 65, 74, 0.96);
}

.gallery-lightbox-close:focus-visible,
.gallery-lightbox-nav:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.gallery-lightbox-figure {
    margin: 0;
    border-radius: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(22, 25, 30, 0.92);
}

.gallery-lightbox-figure img {
    display: block;
    width: 100%;
    height: min(72vh, 860px);
    object-fit: contain;
    background: rgba(0, 0, 0, 0.2);
}

.gallery-lightbox-caption {
    margin: 0;
    padding: 0.7rem 0.85rem 0.85rem;
    color: #eaf0f8;
}

.gallery-lightbox-counter {
    grid-column: 1 / -1;
    margin: 0;
    color: #eaf0f8;
    justify-self: center;
}

body.gallery-lightbox-open {
    overflow: hidden;
}

.about-layout {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
}

.about-layout.single-column {
    grid-template-columns: 1fr;
}

.about-avatar {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0;
    border: 0;
    object-fit: cover;
}

.contact-list,
.social-list {
    margin: 0.8rem 0 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 0.35rem;
}

.contacts-panel a {
    color: var(--contact-link);
}

.contacts-panel a:hover,
.contacts-panel a:focus-visible {
    color: var(--contact-link-hover);
}

.form-panel {
    max-width: 700px;
}

.gate-panel {
    max-width: 620px;
}

.upload-form {
    margin-top: 0.9rem;
    display: grid;
    gap: 0.75rem;
}

.upload-form label {
    font-size: 0.93rem;
    color: var(--muted);
}

.upload-form input[type="file"],
.upload-form input[type="text"] {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.65rem 0.75rem;
    background: var(--surface-alt);
    color: var(--ink);
    font: inherit;
}

.upload-form input[type="password"] {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.65rem 0.75rem;
    background: var(--surface-alt);
    color: var(--ink);
    font: inherit;
}

.button {
    display: inline-block;
    border: 1px solid var(--accent);
    border-radius: 0;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.button:hover {
    filter: brightness(1.03);
}

.button-light {
    background: var(--accent-soft);
    color: var(--ink);
    border-color: #4a2f28;
}

.muted {
    color: var(--muted);
}

.ok {
    color: var(--ok);
    font-weight: 600;
}

.error {
    color: var(--error);
    font-weight: 600;
}

pre {
    padding: 0.75rem;
    border-radius: 0;
    border: 1px solid var(--line);
    overflow-x: auto;
    background: var(--surface-alt);
}

.admin-body {
    background:
        radial-gradient(1100px 540px at 10% -15%, rgba(255, 255, 255, 0.05), transparent 46%),
        linear-gradient(180deg, #1a1d23 0%, var(--bg) 100%);
}

.admin-header {
    border-bottom: 1px solid var(--line);
    background: rgba(35, 39, 45, 0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 30;
}

.admin-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.admin-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.admin-nav a {
    color: var(--muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    padding-bottom: 0.15rem;
}

.admin-nav a:hover {
    color: var(--ink);
    border-color: var(--ink);
}

.admin-nav a.active {
    color: var(--accent);
    border-color: var(--accent);
}

.admin-user-tools {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.admin-inline-form {
    margin: 0;
}

.admin-content {
    gap: 1rem;
}

.admin-card {
    display: grid;
    gap: 0.85rem;
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.admin-login-card {
    max-width: 460px;
}

.admin-form {
    display: grid;
    gap: 0.65rem;
}

.admin-form-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-form-grid > div {
    display: grid;
    gap: 0.32rem;
}

.admin-form label,
.admin-form-inline label {
    color: var(--muted);
    font-size: 0.92rem;
}

.admin-form input,
.admin-form select,
.admin-form textarea,
.admin-form-inline select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.62rem 0.72rem;
    background: var(--surface-alt);
    color: var(--ink);
    font: inherit;
}

.admin-form textarea {
    resize: vertical;
}

.admin-form-inline {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.admin-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.admin-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.admin-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 860px;
}

.admin-table th,
.admin-table td {
    text-align: left;
    border-bottom: 1px solid var(--line);
    padding: 0.6rem;
    vertical-align: top;
}

.admin-gallery-grid {
    display: grid;
    gap: 0.95rem;
    grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
}

.admin-image-card {
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.75rem;
    display: grid;
    gap: 0.65rem;
    background: var(--surface);
}

.admin-image-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 0;
    border: 1px solid var(--line);
    background: #1b1f25;
}

.admin-flash {
    margin: 0;
}

.admin-flash p {
    margin: 0;
    font-weight: 600;
}

.admin-flash-ok p {
    color: var(--ok);
}

.admin-flash-error p {
    color: var(--error);
}

.button-danger {
    background: #7f1d1d;
    border-color: #7f1d1d;
    color: #fff;
}

.site-footer {
    border-top: 1px solid var(--line);
    margin-top: 3rem;
    padding: 1.25rem 0;
    color: var(--muted);
}

@media (max-width: 760px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-tools {
        width: 100%;
        justify-content: flex-start;
    }

    .about-layout {
        grid-template-columns: 1fr;
    }

    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.65rem;
    }

    .project-cover {
        aspect-ratio: 1 / 1.2;
    }

    .gallery-grid {
        gap: 0.75rem;
    }

    .gallery-item img {
        max-height: 64vh;
    }

    .gallery-lightbox {
        padding: 0.7rem;
    }

    .gallery-lightbox-dialog {
        width: 100%;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto auto;
    }

    .gallery-lightbox-close,
    .gallery-lightbox-figure,
    .gallery-lightbox-counter {
        grid-column: 1 / -1;
    }

    .gallery-lightbox-nav {
        width: 100%;
    }

    .gallery-lightbox-figure img {
        height: 58vh;
    }

    .admin-form-grid {
        grid-template-columns: 1fr;
    }

    .admin-header-inner {
        align-items: flex-start;
    }

    .admin-user-tools {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
}