/* ==========================================
   الهيدر - Light Theme (No Movement)
   ========================================== */
#site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 4px 20px -8px rgba(15, 23, 42, 0.06);
    /* بدون transition حركية للمكان */
}

.sh-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    gap: 16px;
}

/* الشعار */
.sh-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.sh-logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(168, 85, 247, 0.08));
    border: 1px solid rgba(66, 133, 244, 0.2);
    color: #2563eb;
    transition: background 0.2s, box-shadow 0.2s;
}

/* إزالة تاثير الحركة وتغيير اللون/الظل بدلا من ذلك */
.sh-logo:hover .sh-logo-icon {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.15), rgba(168, 85, 247, 0.12));
    box-shadow: 0 0 0 4px rgba(66, 133, 244, 0.1);
}

.sh-logo-text {
    font-size: 22px;
    font-weight: 900;
    color: transparent;
    background: linear-gradient(135deg, #0f172a 0%, #475569 100%);
    -webkit-background-clip: text;
    background-clip: text;
    letter-spacing: -0.5px;
}

/* القائمة الرئيسية */
.sh-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.sh-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    color: #475569;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    border: 1px solid transparent;
}

.sh-nav-link svg {
    color: #94a3b8;
    transition: color 0.2s;
}

.sh-nav-link:hover {
    color: #0f172a;
    background: rgba(15, 23, 42, 0.04);
}
.sh-nav-link:hover svg {
    color: #4285f4;
}

.sh-nav-link.is-active {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(168, 85, 247, 0.08));
    border-color: rgba(66, 133, 244, 0.2);
    color: #2563eb;
}
.sh-nav-link.is-active svg {
    color: #2563eb;
}

/* الأدوات (الساعة) */
.sh-tools {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sh-clock {
    display: flex;
    background: #f1f5f9;
    border-radius: 999px;
    padding: 4px;
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.sh-clock-btn {
    padding: 6px 14px;
    border-radius: 999px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 800;
    color: #64748b;
    transition: background 0.2s, color 0.2s;
}

.sh-clock-btn:hover {
    color: #0f172a;
}

.sh-clock-btn[aria-pressed="true"] {
    background: linear-gradient(135deg, #4285f4, #a855f7);
    color: #fff;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.sh-tz-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: 6px 10px;
    border-radius: 10px;
}
.sh-tz-icon { color: #4285f4; }
.sh-tz-select { border: none; background: transparent; font-size: 12px; font-weight: 700; color: #0f172a; outline: none; }

.sh-mobile-actions {
    display: none;
}