:root {
    --bg-main: #0a2137;
    --bg-soft: #173654;
    --panel: rgba(20, 47, 73, 0.78);
    --line: rgba(163, 220, 255, 0.42);
    --text: #f1fbff;
    --text-soft: #b9d3e6;
    --accent-a: #65ffd8;
    --accent-b: #ffc467;
    --accent-c: #7dff8f;
    --danger: #ff7f73;
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 12%, rgba(120, 217, 255, 0.26), transparent 35%),
        radial-gradient(circle at 82% 4%, rgba(255, 218, 141, 0.2), transparent 36%),
        var(--bg-main);
    overflow-x: hidden;
}

.background-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(196, 232, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196, 232, 255, 0.1) 1px, transparent 1px);
    background-size: 44px 44px;
    opacity: 0.24;
    animation: pan-grid 18s linear infinite;
    pointer-events: none;
}

.glow-orb {
    position: fixed;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    filter: blur(58px);
    opacity: 0.22;
    pointer-events: none;
}

.orb-a {
    background: var(--accent-a);
    top: -120px;
    left: -130px;
    animation: drift-a 14s ease-in-out infinite;
}

.orb-b {
    background: var(--accent-b);
    right: -120px;
    bottom: -120px;
    animation: drift-b 16s ease-in-out infinite;
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero {
    padding: 48px 0 26px;
    animation: reveal-up 0.9s ease;
}

.brand {
    margin: 0;
    color: var(--accent-a);
    letter-spacing: 0.22em;
    font-size: 0.78rem;
    text-transform: uppercase;
}

.hero h1 {
    margin: 10px 0 8px;
    font-family: "Orbitron", sans-serif;
    font-size: clamp(1.6rem, 4vw, 3rem);
    line-height: 1.16;
}

.hero-copy {
    margin: 0;
    color: var(--text-soft);
    max-width: 760px;
}

.hero-promo {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-promo span {
    border: 1px solid rgba(171, 231, 255, 0.48);
    border-radius: 999px;
    padding: 6px 12px;
    background: rgba(15, 42, 67, 0.62);
    font-size: 0.82rem;
    color: #ddf6ff;
}

.categories,
.workspace,
.gallery {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 38px rgba(0, 0, 0, 0.25);
}

.categories {
    padding: 26px;
}

.categories h2,
.workspace-head h2,
.gallery-head h2 {
    margin: 0;
    font-size: 1.22rem;
    font-family: "Orbitron", sans-serif;
    letter-spacing: 0.04em;
}

.category-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.category-card {
    border: 1px solid rgba(154, 214, 255, 0.42);
    border-radius: var(--radius-md);
    padding: 22px;
    background: linear-gradient(145deg, rgba(27, 61, 94, 0.88), rgba(16, 42, 69, 0.82));
    color: var(--text);
    text-align: left;
    cursor: pointer;
    display: grid;
    gap: 10px;
    transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
    position: relative;
    overflow: hidden;
}

.category-card::after {
    content: "";
    position: absolute;
    inset: -80% auto auto -48%;
    width: 170%;
    height: 60%;
    background: linear-gradient(90deg, transparent, rgba(214, 252, 244, 0.34), transparent);
    transform: rotate(14deg);
    animation: scan 6s linear infinite;
}

.category-card:hover,
.category-card.active {
    transform: translateY(-4px);
    border-color: rgba(187, 247, 255, 0.9);
    box-shadow: 0 12px 24px rgba(106, 208, 252, 0.25);
}

.card-icon {
    font-size: 1.5rem;
    color: var(--accent-b);
}

.card-title {
    font-family: "Orbitron", sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.1em;
}

.card-sub {
    color: var(--text-soft);
    font-size: 0.93rem;
}

.card-count {
    justify-self: start;
    margin-top: 4px;
    border: 1px solid rgba(196, 240, 255, 0.58);
    border-radius: 999px;
    padding: 4px 11px;
    font-size: 0.8rem;
    color: var(--accent-a);
    background: rgba(105, 255, 225, 0.14);
}

.workspace {
    margin-top: 18px;
    padding: 24px;
}

.workspace-head {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: flex-start;
}

.workspace-head p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.94rem;
}

.upload-panel {
    margin-top: 16px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 16px;
}

.dropzone {
    border: 1px dashed rgba(172, 220, 255, 0.54);
    border-radius: var(--radius-md);
    padding: 26px;
    background: linear-gradient(160deg, rgba(29, 63, 97, 0.9), rgba(19, 46, 74, 0.82));
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.dropzone:focus-visible,
.dropzone.dragover {
    outline: none;
    transform: scale(1.015);
    border-color: var(--accent-a);
    box-shadow: inset 0 0 0 1px rgba(101, 255, 216, 0.4), 0 8px 26px rgba(88, 203, 251, 0.28);
}

.drop-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
}

.drop-sub {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.92rem;
}

.upload-actions {
    border: 1px solid rgba(164, 215, 255, 0.28);
    border-radius: var(--radius-md);
    padding: 16px;
    background: rgba(20, 45, 72, 0.78);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.selection-info {
    margin: 0;
    font-size: 0.9rem;
    color: var(--accent-b);
}

.file-tags {
    min-height: 72px;
    max-height: 210px;
    overflow: auto;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px;
}

.file-tag {
    border: 1px solid rgba(187, 230, 255, 0.45);
    border-radius: 999px;
    padding: 6px 11px;
    font-size: 0.78rem;
    color: #e8f8ff;
    background: rgba(73, 145, 192, 0.36);
}

.feedback {
    margin: 0;
    min-height: 20px;
    font-size: 0.9rem;
}

.feedback.success {
    color: var(--accent-c);
}

.feedback.error {
    color: var(--danger);
}

.feedback.info {
    color: var(--text-soft);
}

.btn {
    appearance: none;
    border: 0;
    border-radius: 11px;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    cursor: pointer;
    padding: 10px 16px;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: linear-gradient(120deg, var(--accent-a), #73ffe0);
    color: #06251f;
}

.btn-secondary,
.btn-refresh {
    background: rgba(86, 145, 205, 0.3);
    color: var(--text);
    border: 1px solid rgba(180, 228, 255, 0.5);
}

.gallery {
    margin-top: 18px;
    padding: 22px;
}

.gallery-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.gallery-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.media-card {
    border: 1px solid rgba(167, 215, 252, 0.36);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(16, 41, 66, 0.84);
    opacity: 0;
    transform: translateY(18px) scale(0.99);
    transition: opacity 0.36s ease, transform 0.36s ease;
}

.media-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.media-preview {
    background: #0e2a44;
    aspect-ratio: 16 / 10;
    display: grid;
    place-items: center;
}

.media-preview img,
.media-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-preview img.photo-clickable {
    cursor: pointer;
}

.media-body {
    padding: 11px;
    display: grid;
    gap: 9px;
}

.media-title {
    margin: 0;
    font-size: 0.95rem;
    word-break: break-word;
}

.media-meta {
    margin: 0;
    font-size: 0.78rem;
    color: var(--text-soft);
}

.media-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.link-btn {
    min-width: 42px;
    text-align: center;
    text-decoration: none;
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 1.1rem;
    border: 1px solid rgba(192, 233, 255, 0.58);
    background: rgba(40, 89, 134, 0.58);
    color: #ecf9ff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.link-btn:hover {
    border-color: rgba(201, 255, 245, 0.92);
}

.download-btn {
    width: 44px;
    height: 40px;
    font-weight: 700;
    font-size: 1.25rem;
}

.empty-state {
    border: 1px dashed rgba(120, 186, 240, 0.28);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    color: var(--text-soft);
}

.photo-modal {
    position: fixed;
    inset: 0;
    z-index: 30;
    background: rgba(4, 15, 26, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 70px;
}

.modal-figure {
    margin: 0;
    position: relative;
    display: grid;
    gap: 10px;
    justify-items: center;
    width: min(94vw, 1080px);
}

.modal-figure img {
    max-height: min(80vh, 780px);
    width: 100%;
    object-fit: contain;
    background: #081523;
    border-radius: 13px;
    border: 1px solid rgba(155, 219, 255, 0.36);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.44);
}

.modal-figure figcaption {
    width: min(760px, 100%);
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: #def2ff;
    font-size: 0.9rem;
}

.modal-nav,
.modal-close {
    border: 0;
    background: rgba(28, 71, 111, 0.84);
    color: #e9f6ff;
    cursor: pointer;
    border-radius: 12px;
}

.modal-nav {
    position: absolute;
    top: calc(50% - 16px);
    height: 52px;
    width: 52px;
    font-size: 1.6rem;
    transform: translateY(-50%);
}

.modal-nav.left {
    left: -60px;
}

.modal-nav.right {
    right: -60px;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
}

.progress-wrap {
    display: grid;
    gap: 6px;
}

.progress-track {
    width: 100%;
    height: 11px;
    border-radius: 999px;
    border: 1px solid rgba(199, 239, 255, 0.5);
    background: rgba(11, 31, 50, 0.84);
    overflow: hidden;
}

.progress-fill {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #66ffd9, #ffc567);
    transition: width 0.14s linear;
}

.progress-text {
    margin: 0;
    font-size: 0.82rem;
    color: #d9f2ff;
}

.hidden {
    display: none !important;
}

@keyframes scan {
    from {
        transform: translateX(-42%) rotate(14deg);
    }
    to {
        transform: translateX(48%) rotate(14deg);
    }
}

@keyframes pan-grid {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(-44px, -44px);
    }
}

@keyframes drift-a {
    0%,
    100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(42px, 32px);
    }
}

@keyframes drift-b {
    0%,
    100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(-40px, -26px);
    }
}

@keyframes reveal-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 980px) {
    .upload-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .hero {
        padding-top: 34px;
    }

    .categories,
    .workspace,
    .gallery {
        padding: 16px;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .modal-nav {
        width: 44px;
        height: 44px;
        top: calc(50% - 8px);
    }

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

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

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}