/**
 * MOL-GOD Spectrum Backgrounds — Frontend styles.
 * Pure add-on; selectors namespaced with .spbg-.
 */

.spbg-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    isolation: isolate;
}

.spbg-overlay {
    position: absolute !important;
    inset: 0;
    z-index: 1 !important;
    pointer-events: none;
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.spbg-wrap > .molgod-widget {
    position: relative;
    z-index: 2;
    background: transparent !important;
}

/* ═══════════════════════ CONTROLS ═══════════════════════ */

.spbg-controls {
    position: absolute;
    z-index: 10;
    display: flex;
    gap: 6px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.85);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Positions */
.spbg-pos-top-right .spbg-controls    { top: 10px; right: 10px; }
.spbg-pos-top-left .spbg-controls     { top: 10px; left: 10px; }
.spbg-pos-top-center .spbg-controls   { top: 10px; left: 50%; transform: translateX(-50%); }
.spbg-pos-bottom-right .spbg-controls { bottom: 10px; right: 10px; }
.spbg-pos-bottom-left .spbg-controls  { bottom: 10px; left: 10px; }
.spbg-pos-bottom-center .spbg-controls{ bottom: 10px; left: 50%; transform: translateX(-50%); }
.spbg-pos-floating-right .spbg-controls  { top: 50%; right: 10px; flex-direction: column; transform: translateY(-50%); }
.spbg-pos-floating-left .spbg-controls   { top: 50%; left: 10px; flex-direction: column; transform: translateY(-50%); }

/* ═══════════════════════ BUTTONS ═══════════════════════ */

.spbg-group {
    display: inline-flex;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.spbg-btn {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    background: #ffffff;
    color: #374151;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 10px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
    line-height: 1.2;
    white-space: nowrap;
    font-family: inherit;
}
.spbg-btn:hover { background: #f3f4f6; color: #111827; }
.spbg-btn:active { transform: translateY(1px); }
.spbg-btn:focus-visible { outline: 2px solid #3b82f6; outline-offset: 2px; }
.spbg-btn:disabled { opacity: 0.5; cursor: wait; }

.spbg-toggle {
    border-right: 1px solid #e5e7eb;
}
.spbg-toggle.spbg-active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff;
}

.spbg-dl {
    background: #f9fafb;
    color: #6b7280;
    padding: 6px 8px;
}
.spbg-dl:hover {
    background: #10b981;
    color: #ffffff;
}

.spbg-clear {
    background: transparent;
    border: 1px dashed #cbd5e1;
    color: #64748b;
    border-radius: 6px;
    padding: 5px 10px;
    font-weight: 500;
}
.spbg-clear:hover {
    background: #f1f5f9;
    color: #1e293b;
    border-style: solid;
}

/* ═══════════════════════ STYLES (admin selectable) ═══════════════════════ */

.spbg-style-pills .spbg-btn { border-radius: 6px; }
.spbg-style-pills .spbg-group { border-radius: 999px; }
.spbg-style-pills .spbg-group .spbg-btn { padding: 6px 12px; }

.spbg-style-square .spbg-btn,
.spbg-style-square .spbg-group { border-radius: 2px; }

.spbg-style-minimal .spbg-controls {
    background: transparent;
    border: none;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}
.spbg-style-minimal .spbg-group { box-shadow: none; }
.spbg-style-minimal .spbg-btn { background: transparent; }

.spbg-style-icons .spbg-toggle {
    font-size: 0; /* hide name */
}
.spbg-style-icons .spbg-toggle::first-letter { font-size: 16px; }
.spbg-style-icons .spbg-btn { padding: 6px 8px; }

.spbg-style-badges .spbg-btn { font-size: 10px; padding: 3px 7px; }
.spbg-style-badges .spbg-group { border-radius: 12px; }

/* ═══════════════════════ DROPDOWN ═══════════════════════ */

.spbg-dropdown {
    position: absolute;
    z-index: 99999;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 180px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    animation: spbgSlideIn 0.15s ease;
}
@keyframes spbgSlideIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.spbg-dropdown-item {
    padding: 9px 14px;
    font-size: 13px;
    color: #374151;
    cursor: pointer;
    transition: background 0.1s ease;
    border-bottom: 1px solid #f3f4f6;
}
.spbg-dropdown-item:last-child { border-bottom: none; }
.spbg-dropdown-item:hover {
    background: #eff6ff;
    color: #1e40af;
}

/* ═══════════════════════ RESPONSIVE ═══════════════════════ */

@media (max-width: 640px) {
    .spbg-controls {
        flex-wrap: wrap;
        max-width: calc(100% - 20px);
    }
    .spbg-btn { font-size: 11px; padding: 5px 8px; }
    .spbg-pos-floating-left .spbg-controls,
    .spbg-pos-floating-right .spbg-controls {
        top: 10px;
        transform: none;
        flex-direction: row;
    }
}

/* ═══════════════════════ PRINT ═══════════════════════ */

@media print {
    .spbg-controls, .spbg-dropdown { display: none !important; }
    .spbg-overlay { opacity: 1 !important; filter: none !important; }
}