@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
    --bg-color: #050505;
    --surface-color: #0e0e0e;
    --surface-light: #161616;
    --primary-color: #a855f7;
    --primary-hover: #9333ea;
    --text-primary: #f0f0f0;
    --text-secondary: #4a4a4a;
    --border-color: #1c1c1c;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Manrope', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
}

/* ─── HEADER ─────────────────────────────────────────────── */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo-container { display: flex; align-items: center; gap: 12px; }
.site-logo { width: 26px; height: 26px; opacity: 0.8; }

h1 {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

nav { display: flex; align-items: center; gap: 6px; }

button { cursor: pointer; font-family: inherit; font-weight: 600; transition: all 0.16s ease; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 7px;
    font-size: 13px;
}
.btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); }

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    padding: 8px 10px;
}
.btn-text:hover { color: var(--text-primary); }

.btn-text-small { background: transparent; border: none; color: #ef4444; font-size: 12px; }
.btn-text-small:hover { text-decoration: underline; }

.btn-primary {
    background: var(--primary-color);
    border: none;
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    width: 100%;
    font-size: 14px;
    font-weight: 700;
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-1px); }
.btn-primary:disabled { background: #161616; color: #333; cursor: not-allowed; }

/* ─── STRETCHED CATALOG HERO ──────────────────────────────── */

.catalog-hero {
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    line-height: 1;
    display: block;
    width: 100%;
}

.catalog-hero svg {
    display: block;
    width: 100%;
    height: auto;
    max-height: 140px;
}

/* ─── MAIN ────────────────────────────────────────────────── */

main { padding: 40px; max-width: 1200px; margin: 0 auto; }

.search-bar { margin-bottom: 28px; }

.search-bar input {
    width: 100%;
    padding: 13px 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 9px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}
.search-bar input::placeholder { color: var(--text-secondary); }
.search-bar input:focus { outline: none; border-color: #282828; box-shadow: 0 0 0 3px rgba(168,85,247,0.05); }

/* ─── GRID — borderless tile layout ──────────────────────── */

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.pack-card {
    background: var(--surface-color);
    padding: 26px 22px;
    cursor: pointer;
    transition: background 0.14s;
    position: relative;
}

.pack-card::after {
    content: '↗';
    position: absolute;
    top: 22px;
    right: 20px;
    color: var(--border-color);
    font-size: 14px;
    transition: color 0.14s, transform 0.14s;
}

.pack-card:hover { background: var(--surface-light); }
.pack-card:hover::after { color: var(--primary-color); transform: translate(2px,-2px); }

.pack-card h3 { color: var(--text-primary); font-weight: 700; font-size: 14px; margin-bottom: 6px; padding-right: 22px; }

.pack-card .author {
    font-size: 11px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.pack-card .desc { font-size: 13px; line-height: 1.6; color: var(--text-secondary); }

.loading { grid-column: 1/-1; text-align: center; color: var(--text-secondary); font-size: 13px; padding: 60px; background: var(--surface-color); }

/* ─── MODALS ──────────────────────────────────────────────── */

.modal {
    display: none;
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.88);
    z-index: 100;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.modal-content {
    background: var(--surface-color);
    width: 90%; max-width: 560px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    max-height: 90vh;
    display: flex; flex-direction: column;
    box-shadow: 0 40px 80px rgba(0,0,0,0.8);
}

.dev-modal-wide { max-width: 740px; }

.modal-header {
    padding: 20px 22px;
    border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}
.modal-header h2 { color: var(--text-primary); font-size: 15px; font-weight: 700; }

.close { font-size: 20px; cursor: pointer; color: var(--text-secondary); line-height: 1; transition: color 0.15s; }
.close:hover { color: var(--text-primary); }

.modal-body { padding: 22px; overflow-y: auto; flex-grow: 1; }
.modal-footer { padding: 18px 22px; border-top: 1px solid var(--border-color); }

/* ─── UPLOAD ──────────────────────────────────────────────── */

.up-input {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 14px;
    border-radius: 8px;
    width: 100%;
    font-family: inherit;
    font-size: 13px;
}
.up-input::placeholder { color: var(--text-secondary); }
.up-input:focus { outline: none; border-color: #282828; }
.form-group { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }

.drop-zone {
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.18s ease;
    background: var(--bg-color);
}
.drop-zone:hover, .drop-zone.dragover { border-color: var(--primary-color); background: rgba(168,85,247,0.03); }
.drop-zone p { color: var(--text-secondary); margin-top: 14px; font-size: 13px; line-height: 1.6; }
.drop-zone span { color: var(--primary-color); font-weight: 600; }

.upload-file-info {
    background: var(--surface-light);
    padding: 12px 14px;
    border-radius: 8px;
    display: flex; justify-content: space-between; align-items: center;
    border: 1px solid var(--border-color);
    margin-top: 10px;
}
#uploadFileName { font-size: 13px; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 80%; }

/* ─── PACK TREE ───────────────────────────────────────────── */

.author-text { color: var(--primary-color); font-size: 11px; margin-bottom: 6px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.desc-text { color: var(--text-secondary); font-size: 13px; margin-bottom: 22px; line-height: 1.65; }

.tree-item { margin-bottom: 8px; background: var(--bg-color); border: 1px solid var(--border-color); padding: 14px; border-radius: 9px; transition: opacity 0.18s; }
.tree-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.tree-header input[type="checkbox"] { accent-color: var(--primary-color); width: 16px; height: 16px; cursor: pointer; }
.tree-header span { font-weight: 600; color: var(--text-primary); font-size: 13px; }
.tree-inputs { display: flex; flex-direction: column; gap: 8px; }
.tree-inputs input, .tree-inputs textarea {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 12px;
    border-radius: 7px;
    width: 100%;
    font-family: inherit;
    font-size: 12px;
}
.tree-inputs input:focus, .tree-inputs textarea:focus { color: var(--text-primary); border-color: #282828; outline: none; }
.tree-inputs textarea { resize: vertical; min-height: 70px; }

/* ─── DEV DOCS ────────────────────────────────────────────── */

.dev-docs h3 { color: var(--text-primary); margin: 26px 0 10px; font-size: 14px; font-weight: 700; }
.dev-docs h4 { color: var(--primary-color); margin: 14px 0 6px; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.dev-docs p, .dev-docs ul { color: var(--text-secondary); line-height: 1.7; font-size: 13px; }
.dev-docs ul { padding-left: 18px; margin-bottom: 10px; }
.dev-docs pre { background: var(--bg-color); padding: 14px; border-radius: 9px; overflow-x: auto; margin: 10px 0; border: 1px solid var(--border-color); }
.dev-docs code { color: #c084fc; font-family: 'SF Mono', Consolas, monospace; font-size: 12px; }
.highlight-box { background: rgba(168,85,247,0.03); border-left: 2px solid var(--primary-color); padding: 14px 16px; margin-top: 18px; border-radius: 0 9px 9px 0; }
.highlight-box ol { padding-left: 18px; color: var(--text-secondary); font-size: 13px; line-height: 1.7; }
.highlight-box ol li { margin-bottom: 5px; }

/* ─── RESPONSIVE ──────────────────────────────────────────── */

@media (max-width: 640px) {
    header { padding: 14px 20px; }
    main { padding: 24px 20px; }
    .catalog-grid { border-radius: 9px; }
}