/* ═══ Resources Navigation Page ═══ */

#main_bg {
    background-image: url(../assets/images/background/miku_1.webp);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: fixed;
    min-height: 100vh;
    width: 100%;
    z-index: -1;
}

#panel {
    font-family: var(--app-font-serif);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* ─── Hero header ─── */
.res-hero {
    position: relative;
    background:
        radial-gradient(110% 100% at 50% -30%, rgba(38, 168, 132, 0.14), transparent 62%),
        linear-gradient(135deg, var(--app-glass-strong), var(--app-glass));
    border: 1px solid var(--app-line);
    border-radius: 16px;
    padding: 22px 24px;
    box-shadow: 0 6px 16px var(--app-accent-hover);
    overflow: hidden;
    flex-shrink: 0;
}

.res-hero::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(38, 168, 132, 0.18);
    filter: blur(60px);
    top: -100px;
    right: -40px;
    pointer-events: none;
    animation: resBlobFloat 9s ease-in-out infinite;
}

@keyframes resBlobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(14px, -10px) scale(1.08); }
}

.res-hero h1 {
    font-size: 22px;
    color: var(--app-text-heading);
    margin: 0 0 6px 0;
    letter-spacing: 0.4px;
    font-weight: 800;
    background: linear-gradient(135deg, #143c33 20%, var(--app-accent) 65%, #58c9a6 95%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.res-hero p {
    font-size: 13px;
    color: var(--app-text);
    margin: 0;
    line-height: 1.7;
    position: relative;
    max-width: 880px;
}

/* ─── Stats ─── */
.res-stats {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.res-stat-item {
    display: flex;
    align-items: baseline;
    gap: 6px;
    background: var(--app-glass-strong);
    border: 1px solid var(--app-line);
    border-radius: 12px;
    padding: 8px 16px;
    box-shadow: 0 2px 8px rgba(20, 122, 99, 0.06);
    transition: transform .24s var(--app-ease-spring), box-shadow .2s var(--app-ease);
}

.res-stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(20, 122, 99, 0.14);
}

.res-stat-num {
    font-size: 20px;
    font-weight: 800;
    color: var(--app-accent-strong);
    font-family: var(--app-font-mono);
    line-height: 1;
}

.res-stat-label {
    font-size: 12px;
    color: var(--app-muted);
    letter-spacing: 0.04em;
}

/* ─── Toolbar (search + category tabs) ─── */
.res-toolbar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
}

.res-search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--app-glass-strong);
    border: 1px solid var(--app-line);
    border-radius: 12px;
    padding: 8px 16px;
    box-shadow: inset 0 0 0 1px rgba(20, 122, 99, 0.04);
    transition: box-shadow .22s var(--app-ease);
}

.res-search-wrap:focus-within {
    box-shadow: inset 0 0 0 1px var(--app-line-strong), 0 0 0 4px rgba(38, 168, 132, 0.14);
}

.res-search-wrap svg {
    flex-shrink: 0;
}

.res-search-wrap input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--app-text);
    font-family: inherit;
    padding: 2px 0;
}

.res-search-wrap input::placeholder { color: var(--app-muted); }

.res-search-count {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--app-muted);
    font-family: var(--app-font-mono);
    white-space: nowrap;
}

.res-search-count span { color: var(--app-accent-strong); font-weight: 700; }

/* Category tabs */
.res-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.res-cat-btn {
    border: 1px solid var(--app-line);
    border-radius: 999px;
    padding: 5px 12px 5px 14px;
    background: var(--app-card-hover);
    font-size: 12.5px;
    font-family: inherit;
    cursor: pointer;
    color: var(--app-text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .2s var(--app-ease);
    white-space: nowrap;
}

.res-cat-btn:hover:not(.active) {
    border-color: var(--app-line-strong);
    transform: translateY(-1px);
}

.res-cat-btn.active {
    background: linear-gradient(135deg, var(--app-accent-light), var(--app-accent-strong));
    color: #fff;
    border-color: transparent;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(20, 122, 99, 0.22);
}

.res-cat-count {
    font-size: 11px;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.55);
    color: var(--app-accent-strong);
    font-family: var(--app-font-mono);
    line-height: 1.4;
}

.res-cat-btn.active .res-cat-count {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* ─── Grid layout ─── */
.res-grid {
    display: flex;
    flex-direction: column;
    gap: 22px;
    flex: 1;
    min-height: 0;
}

.res-section {
    opacity: 0;
    animation: appRevealUp .45s var(--app-ease-spring) both;
}

.res-section-head {
    margin-bottom: 12px;
    padding: 0 4px;
}

.res-section-title {
    font-size: 16px;
    font-weight: 750;
    color: var(--app-text-heading);
    margin: 0 0 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.res-section-badge {
    font-size: 11px;
    font-family: var(--app-font-mono);
    font-weight: 700;
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--app-accent-hover);
    color: var(--app-accent-strong);
}

.res-section-desc {
    font-size: 12px;
    color: var(--app-muted);
    margin: 0;
    letter-spacing: 0.04em;
}

.res-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--app-line), transparent);
}

/* ─── Resource card ─── */
.res-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.res-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 13px;
    border: 1px solid var(--app-line-subtle);
    background: linear-gradient(180deg, var(--app-glass-strong), var(--app-glass));
    text-decoration: none;
    color: var(--app-text);
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(10, 36, 34, 0.05);
    transition: transform .26s var(--app-ease-spring),
                box-shadow .22s var(--app-ease),
                border-color .22s var(--app-ease);
}

.res-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.42) 50%, transparent 65%);
    transform: translateX(-120%);
    transition: transform .5s var(--app-ease);
    pointer-events: none;
}

.res-card:hover {
    transform: translateY(-3px);
    border-color: var(--app-accent);
    box-shadow: 0 12px 26px rgba(10, 36, 34, 0.14);
}

.res-card:hover::before { transform: translateX(120%); }

/* Icon */
.res-card-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background-color: var(--app-accent-hover);
    background-image: linear-gradient(135deg, rgba(38, 168, 132, 0.16), rgba(55, 177, 140, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: transform .3s var(--app-ease-spring);
}

.res-card:hover .res-card-icon { transform: scale(1.08) rotate(-4deg); }

.res-card-favicon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    object-fit: cover;
    position: relative;
    z-index: 2;
    background: #fff;
    padding: 1px;
    box-sizing: content-box;
}

.res-card-emoji {
    font-size: 18px;
    line-height: 1;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    filter: saturate(1.1);
}

.res-card-icon-fallback .res-card-emoji { z-index: 2; }
.res-card-icon:not(.res-card-icon-fallback) .res-card-emoji { opacity: 0; }

/* Body */
.res-card-body {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.res-card-title {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--app-text-heading);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.res-card-desc {
    font-size: 11.5px;
    color: var(--app-text);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.res-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 2px;
}

.res-card-domain {
    font-size: 11px;
    color: var(--app-muted);
    font-family: var(--app-font-mono);
    opacity: 0.9;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.res-tag {
    font-size: 10px;
    padding: 1px 7px;
    border-radius: 999px;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.res-tag-free {
    background: var(--app-success-bg);
    color: var(--app-success);
    font-weight: 700;
}

.res-tag-lang {
    background: rgba(14, 165, 233, 0.14);
    color: #0c4a6e;
}

/* Arrow */
.res-card-arrow {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--app-accent);
    opacity: 0;
    transform: translate(-6px, 6px);
    transition: opacity .2s var(--app-ease), transform .26s var(--app-ease-spring);
    align-self: center;
}

.res-card:hover .res-card-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* ─── Empty state ─── */
.res-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--app-muted);
    font-size: 14px;
    background: var(--app-glass);
    border: 1px dashed var(--app-line);
    border-radius: 14px;
}

/* ─── Footer note ─── */
.res-foot {
    margin-top: 4px;
    padding-top: 14px;
    border-top: 1px solid var(--app-line-subtle);
    font-size: 11.5px;
    color: var(--app-muted);
    line-height: 1.7;
    text-align: center;
    flex-shrink: 0;
}

.res-foot a {
    color: var(--app-accent-strong);
    text-decoration: none;
}

.res-foot a:hover { text-decoration: underline; }

/* ─── Responsive ─── */
@media (max-width: 1200px) {
    .res-cards { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}

@media (max-width: 768px) {
    #panel { padding: 16px; }
    .res-hero { padding: 18px 16px; }
    .res-hero h1 { font-size: 19px; }
    .res-cards { grid-template-columns: 1fr; }
    .res-card-domain { max-width: 60vw; }
}