/* ─── Term Galaxy Page ─────────────────────────────────────────────────────── */

.sf-galaxy {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 64px);
    background: #0a0e1a;
    position: relative;
}

/* ── Toolbar ─────────────────────────────────────────────────────────────── */
.sf-galaxy__toolbar {
    padding: 16px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    background: rgba(10, 14, 26, 0.95);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 15;
}

.sf-galaxy__search {
    position: relative;
}
.sf-galaxy__search input {
    width: 260px;
    padding: 8px 16px 8px 36px;
    border-radius: 20px;
    border: 1.5px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}
.sf-galaxy__search input::placeholder { color: rgba(255,255,255,0.4); }
.sf-galaxy__search input:focus {
    border-color: rgba(27,150,255,0.5);
    background: rgba(255,255,255,0.12);
}
.sf-galaxy__search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: rgba(255,255,255,0.4);
    pointer-events: none;
}
.sf-galaxy__search-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 300px;
    max-height: 240px;
    overflow-y: auto;
    background: rgba(15, 20, 35, 0.96);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    z-index: 30;
    display: none;
}
.sf-galaxy__search-dropdown.sf-galaxy__search-dropdown--open { display: block; }
.sf-galaxy__search-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background 0.15s;
}
.sf-galaxy__search-item:hover { background: rgba(255,255,255,0.08); }
.sf-galaxy__search-item:last-child { border-bottom: none; }
.sf-galaxy__search-item small {
    display: block;
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    margin-top: 2px;
}

/* ── Filter Chips ───────────────────────────────────────────────────────── */
.sf-galaxy__filters {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
}
.sf-galaxy__chip {
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid;
    opacity: 0.5;
    transition: all 0.2s;
    font-family: inherit;
    background: transparent;
    white-space: nowrap;
}
.sf-galaxy__chip:hover { opacity: 0.75; }
.sf-galaxy__chip--active { opacity: 1; }

.sf-galaxy__stats {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    white-space: nowrap;
}

/* ── Canvas Container ───────────────────────────────────────────────────── */
.sf-galaxy__canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: grab;
    min-height: 500px;
}
.sf-galaxy__canvas-wrap:active { cursor: grabbing; }
.sf-galaxy__canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ── Tooltip ─────────────────────────────────────────────────────────────── */
.sf-galaxy__tooltip {
    position: absolute;
    pointer-events: none;
    padding: 8px 14px;
    border-radius: 8px;
    background: rgba(0,0,0,0.88);
    color: #fff;
    font-size: 12px;
    max-width: 280px;
    z-index: 20;
    line-height: 1.4;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.sf-galaxy__tooltip-term {
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 3px;
}
.sf-galaxy__tooltip-def {
    color: rgba(255,255,255,0.7);
    font-size: 11px;
}

/* ── Detail Panel ─────────────────────────────────────────────────────── */
.sf-galaxy__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 360px;
    height: 100%;
    background: rgba(15, 20, 35, 0.94);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255,255,255,0.1);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 28px 24px;
    overflow-y: auto;
    color: #e0e0e0;
    z-index: 10;
    box-sizing: border-box;
}
.sf-galaxy__panel--open { transform: translateX(0); }
.sf-galaxy__panel-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.08);
    border: none;
    border-radius: 50%;
    color: rgba(255,255,255,0.6);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.sf-galaxy__panel-close:hover { background: rgba(255,255,255,0.15); }

.sf-galaxy__panel-title {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 12px 0;
    line-height: 1.3;
}
.sf-galaxy__panel-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.sf-galaxy__panel-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
}
.sf-galaxy__panel-difficulty {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(255,255,255,0.08);
}
.sf-galaxy__panel-def {
    font-size: 14px;
    line-height: 1.7;
    margin: 0 0 20px 0;
    color: rgba(255,255,255,0.8);
}
.sf-galaxy__panel-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 22px;
    background: #1B96FF;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s, transform 0.15s;
}
.sf-galaxy__panel-link:hover {
    background: #0176D3;
    transform: translateY(-1px);
}

/* ── Connected Terms List ─────────────────────────────────────────────── */
.sf-galaxy__connections {
    margin-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 16px;
}
.sf-galaxy__connections h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255,255,255,0.5);
    margin: 0 0 10px 0;
}
.sf-galaxy__conn-item {
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255,255,255,0.04);
    margin-bottom: 6px;
    cursor: pointer;
    font-size: 13px;
    color: rgba(255,255,255,0.75);
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sf-galaxy__conn-item:hover { background: rgba(255,255,255,0.1); }
.sf-galaxy__conn-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Legend ────────────────────────────────────────────────────────────── */
.sf-galaxy__legend {
    position: absolute;
    bottom: 16px;
    left: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    padding: 8px 14px;
    border-radius: 10px;
}
.sf-galaxy__legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    color: rgba(255,255,255,0.55);
}
.sf-galaxy__legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Help Bar ─────────────────────────────────────────────────────────── */
.sf-galaxy__help {
    padding: 8px 24px;
    text-align: center;
    font-size: 11px;
    color: rgba(255,255,255,0.35);
    background: rgba(10, 14, 26, 0.95);
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sf-galaxy__toolbar { padding: 12px 16px; gap: 8px; }
    .sf-galaxy__search input { width: 160px; font-size: 12px; }
    .sf-galaxy__search-dropdown { width: 260px; }
    .sf-galaxy__filters { gap: 4px; }
    .sf-galaxy__chip { padding: 3px 8px; font-size: 10px; }
    .sf-galaxy__panel {
        width: 100%;
        height: 55%;
        top: auto;
        bottom: 0;
        right: 0;
        transform: translateY(100%);
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.1);
        border-radius: 16px 16px 0 0;
    }
    .sf-galaxy__panel--open { transform: translateY(0); }
    .sf-galaxy__legend { bottom: 8px; left: 8px; padding: 6px 10px; gap: 6px; }
    .sf-galaxy__legend-item { font-size: 9px; }
    .sf-galaxy__canvas-wrap { min-height: 400px; }
}

@media (max-width: 480px) {
    .sf-galaxy__stats { display: none; }
    .sf-galaxy__search input { width: 130px; }
}

/* ── Light Mode Overrides ─────────────────────────────────────────────── */
[data-theme="light"] .sf-galaxy { background: #e8ecf2; }
[data-theme="light"] .sf-galaxy__toolbar {
    background: rgba(232, 236, 242, 0.98);
    border-bottom-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .sf-galaxy__search input {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.12);
    color: #1a1a1a;
}
[data-theme="light"] .sf-galaxy__search input::placeholder { color: rgba(0,0,0,0.4); }
[data-theme="light"] .sf-galaxy__search input:focus {
    border-color: rgba(1,118,211,0.4);
    background: rgba(0,0,0,0.03);
}
[data-theme="light"] .sf-galaxy__search-dropdown {
    background: rgba(255,255,255,0.98);
    border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .sf-galaxy__search-item { color: #333; }
[data-theme="light"] .sf-galaxy__search-item:hover { background: rgba(0,0,0,0.04); }
[data-theme="light"] .sf-galaxy__search-item small { color: rgba(0,0,0,0.45); }
[data-theme="light"] .sf-galaxy__stats { color: rgba(0,0,0,0.45); }
[data-theme="light"] .sf-galaxy__tooltip {
    background: rgba(255,255,255,0.95);
    color: #1a1a1a;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
[data-theme="light"] .sf-galaxy__tooltip-def { color: rgba(0,0,0,0.6); }
[data-theme="light"] .sf-galaxy__panel {
    background: rgba(255,255,255,0.96);
    border-left-color: rgba(0,0,0,0.08);
    color: #333;
}
[data-theme="light"] .sf-galaxy__panel-close {
    background: rgba(0,0,0,0.06);
    color: rgba(0,0,0,0.5);
}
[data-theme="light"] .sf-galaxy__panel-close:hover { background: rgba(0,0,0,0.1); }
[data-theme="light"] .sf-galaxy__panel-title { color: #1a1a1a; }
[data-theme="light"] .sf-galaxy__panel-difficulty { background: rgba(0,0,0,0.06); }
[data-theme="light"] .sf-galaxy__panel-def { color: #4a4a4a; }
[data-theme="light"] .sf-galaxy__connections { border-top-color: rgba(0,0,0,0.08); }
[data-theme="light"] .sf-galaxy__connections h4 { color: rgba(0,0,0,0.45); }
[data-theme="light"] .sf-galaxy__conn-item {
    background: rgba(0,0,0,0.03);
    color: #555;
}
[data-theme="light"] .sf-galaxy__conn-item:hover { background: rgba(0,0,0,0.06); }
[data-theme="light"] .sf-galaxy__legend {
    background: rgba(255,255,255,0.7);
}
[data-theme="light"] .sf-galaxy__legend-item { color: rgba(0,0,0,0.5); }
[data-theme="light"] .sf-galaxy__help {
    background: rgba(232,236,242,0.98);
    color: rgba(0,0,0,0.35);
    border-top-color: rgba(0,0,0,0.06);
}
@media (max-width: 768px) {
    [data-theme="light"] .sf-galaxy__panel { border-top-color: rgba(0,0,0,0.08); }
}