/* تمهای رنگی سایت - با data-theme روی فعال میشوند */
html[data-theme=red]{--primary:#f44336;--primary-dark:#d32f2f;--primary-rgb:244,67,54}
html[data-theme=teal]{--primary:#0f9d8a;--primary-dark:#0b7a6b;--primary-rgb:15,157,138}
html[data-theme=rose]{--primary:#e0245e;--primary-dark:#b91c4b;--primary-rgb:224,36,94}
html[data-theme=violet]{--primary:#7c3aed;--primary-dark:#6527c9;--primary-rgb:124,58,237}
html[data-theme=indigo]{--primary:#3b5bdb;--primary-dark:#2f47b0;--primary-rgb:59,91,219}
html[data-theme=emerald]{--primary:#059669;--primary-dark:#047857;--primary-rgb:5,150,105}
html[data-theme=amber]{--primary:#d97706;--primary-dark:#b45309;--primary-rgb:217,119,6}
html[data-theme=charcoal]{--primary:#1f2937;--primary-dark:#0f172a;--primary-rgb:31,41,55}
html[data-theme=charcoal] .announce-bar{background:#0f172a}
/* دکمه شناور انتخاب تم (موقت) */
.theme-fab{position:fixed;left:16px;bottom:140px;z-index:1500;font-family:Vazirmatn,Tahoma,sans-serif}
.theme-fab-btn{width:52px;height:52px;border-radius:50%;border:0;background:conic-gradient(#f44336,#d97706,#059669,#0f9d8a,#3b5bdb,#7c3aed,#e0245e,#f44336);box-shadow:0 6px 20px rgba(0,0,0,.25);cursor:pointer;position:relative;transition:transform .2s}
.theme-fab-btn::after{content:'';position:absolute;inset:6px;border-radius:50%;background:#fff}
.theme-fab-btn i{position:relative;z-index:1;font-size:24px;color:#333;line-height:52px}
.theme-fab-btn:hover{transform:scale(1.06)}
.theme-panel{position:absolute;bottom:64px;left:0;width:280px;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.2);padding:16px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s}
.theme-panel.open{opacity:1;visibility:visible;transform:none}
.theme-panel h6{font-size:14px;margin:0 0 4px}
.theme-panel p{font-size:11.5px;color:#777;margin:0 0 12px}
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.theme-sw{border:2px solid transparent;border-radius:12px;padding:6px 4px;background:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:5px;font-family:inherit;font-size:11px;color:#444;transition:.15s}
.theme-sw span{width:34px;height:34px;border-radius:50%;box-shadow:inset 0 0 0 3px rgba(255,255,255,.6),0 2px 6px rgba(0,0,0,.2)}
.theme-sw:hover{background:#f5f5f5}
.theme-sw.active{border-color:var(--primary);background:rgba(var(--primary-rgb),.08);color:var(--primary);font-weight:700}
.theme-saved{font-size:11.5px;color:#059669;margin-top:10px;min-height:16px}
@media (max-width:991px){.theme-fab{bottom:80px;left:12px}}